2022 CW 42 Microsoft 365 Message Center changes

from 10/10/2022 to 10/16/2022

13 Office 365 Message Center Items were changed and 29 Office 365 Message Center Items were added

Please note: Only common Message Center messages are in this list you should always check your Message Center for additional messages

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Changes

MC End Time changes

MC ID MC Title Old Value New Value MC Action required by
MC382821 (Updated) Custom organization branding for quarantine notification (custom sender address and Custom subject) 11/30/2022 08:00:00 2022-12-30T08:00:00Z N/A
MC382822 (Updated) Insider Risk Management: General availability of security policy violations templates 10/31/2022 08:00:00 2022-11-30T08:00:00Z N/A
MC392295 (Updated) Disable chat write access for anonymous or unauthenticated users 10/31/2022 08:00:00 2023-01-05T08:00:00Z N/A
MC394844 (Updated) Stream on SharePoint: Inline playback of videos in Hero web part 10/11/2022 09:00:00 2022-12-05T08:00:00Z N/A
MC396178 (Updated) Planned Maintenance for Sway 11/30/2022 09:00:00 2023-01-31T09:00:00Z N/A
MC420049 (Updated) Live Translated Captions in Meetings and Calls 12/09/2022 09:00:00 2022-10-15T10:00:00Z N/A
MC427148 (Updated) Microsoft Purview Data Loss Prevention: Decoupling user notifications and policy tips 12/19/2022 09:00:00 2023-03-17T09:00:00Z N/A
MC427763 (Updated) Microsoft Purview | DLP: Self-diagnostic tool for SharePoint and OneDrive policies – Test-DlpPolicies(preview) 11/15/2022 09:00:00 2022-12-30T09:00:00Z N/A
MC428514 (Updated) Microsoft Teams: Group Chat Invitations From Unmanaged Users 12/11/2022 09:00:00 2023-01-06T09:00:00Z N/A

MC How Affect changes

MC ID MC Title Old Value New Value MC Action required by
MC383876 (Updated) Collaborative Annotations on Presenter Shared Screen During screenshare, meeting attendees with Presenter roles will see the Annotation button in meeting controls at the top-center of their screen.

To turn on Collaborative Annotation while you're sharing your screen in a meeting, select the pen icon to Start annotation in meeting controls at the top-center of your screen, as shown below:

Note: You must be a Presenter role in a meeting to turn on Collaborative Annotation.

The red outline around the screenshare will turn blue, indicating Collaborative Annotation mode is on. All participants will see the Microsoft Whiteboard toolset at the top of the shared screen, as shown below. Everyone in the meeting can begin annotating right away in real-time.

Collaborative Cursors show the name of every attendee as they annotate and are turned on by default. Collaborative Cursors can be turned off by anyone attending the meeting from the Settings menu in the Collaborative Annotation toolbar.

To control who can annotate, the main Presenter can select Only I can annotate and unselect Everyone can annotate from the Settings menu in the Collaborative Annotation toolbar, as shown below:

To begin annotating, select one of the tools in the Whiteboard toolset, such as text, Sticky notes, Reaction tags, or digital ink, and begin typing or drawing on the screen.

To end the annotation session for everyone, select Stop annotation in meeting controls at the top-center area of your screen.

Collaborative Annotation is only available for full-screen sharing, not individual window sharing at this time.

Web and mobile users cannot start Collaborative Annotation while sharing content. However, if a desktop user shares the screen and starts Collaborative Annotation mode, web and mobile users are able to participate in annotating as well.

Exporting annotations is not supported at this time, but you can take screenshots during the meeting to save annotated content for later if necessary.

Meeting rooms using Android-based devices are not supported.

During screenshare, meeting attendees with Presenter roles will see the Annotation button in meeting controls at the top-center of their screen.

To turn on Collaborative Annotation while you're sharing your screen in a meeting, select the pen icon to Start annotation in meeting controls at the top-center of your screen, as shown below:

Note: You must be a Presenter role in a meeting to turn on Collaborative Annotation.

The red outline around the screenshare will turn blue, indicating Collaborative Annotation mode is on. All participants will see the Microsoft Whiteboard toolset at the top of the shared screen, as shown below. Everyone in the meeting can begin annotating right away in real-time.

Collaborative Cursors show the name of every attendee as they annotate and are turned on by default. Collaborative Cursors can be turned off by anyone attending the meeting from the Settings menu in the Collaborative Annotation toolbar.

To control who can annotate, the main Presenter can select Only I can annotate and unselect Everyone can annotate from the Settings menu in the Collaborative Annotation toolbar, as shown below:

To begin annotating, select one of the tools in the Whiteboard toolset, such as text, Sticky notes, Reaction tags, or digital ink, and begin typing or drawing on the screen.

To end the annotation session for everyone, select Stop annotation in meeting controls at the top-center area of your screen.

Collaborative Annotation is only available for full-screen sharing, not individual window sharing at this time.

Note: Mobile users cannot start Collaborative Annotation while sharing content. However, if a desktop user shares the screen and starts Collaborative Annotation mode, mobile users are able to participate in annotating as well.

Annotations for Teams web users is not supported at this time. Exporting annotations is not supported at this time, but you can take screenshots during the meeting to save annotated content for later if necessary.

Meeting rooms using Android-based devices are not supported.

N/A

MC Messages changes

MC ID MC Title Old Value New Value MC Action required by
MC382821 (Updated) Custom organization branding for quarantine notification (custom sender address and Custom subject) Updated September 1, 2022: We have updated the rollout timeline below. Thank you for your patience.

We will be adding capabilities to making it possible for Security Operations (SecOps) to customize end user quarantine notifications with their respective organization sender address and custom subject.

This message is associated with Microsoft 365 Roadmap ID 93301.

[When this will happen:]

Standard: will begin rolling out in late August (previously late July) and is expected to be complete by early October (previously early September).

Government: will begin rolling out in early October (previously mid-September) and is expected to be complete by late October (previously late September).
Updated October 13, 2022: We have updated the rollout timeline below. Thank you for your patience.

We will be adding capabilities to making it possible for Security Operations (SecOps) to customize end user quarantine notifications with their respective organization sender address and custom subject.

This message is associated with Microsoft 365 Roadmap ID 93301.

[When this will happen:]

Standard: will begin rolling out in late August (previously late July) and is expected to be complete by early November (previously early October).

Government: will begin rolling out in early November (previously early October) and is expected to be complete by late November (previously late October).
N/A
MC382822 (Updated) Insider Risk Management: General availability of security policy violations templates Updated August 9, 2022: We have updated the rollout timeline below. Thank you for your patience.

Currently available in public preview (MC289678), we're releasing additional features for Insider Risk Management that will help detect possible security violations by users including priority and departing users. These features will help enable your organization to detect security violations performed on devices onboarded to your organization using Microsoft Defender for Endpoint alerts.

This message is associated with Microsoft 365 Roadmap IDs 83961, 83962, and 83963.

[When this will happen:]

Rollout will begin in early July (previously late June) and is expected to be complete by late September (previously early August).
Updated October 13, 2022: We have updated the rollout timeline below. Thank you for your patience.

Currently available in public preview (MC289678), we're releasing additional features for Insider Risk Management that will help detect possible security violations by users including priority and departing users. These features will help enable your organization to detect security violations performed on devices onboarded to your organization using Microsoft Defender for Endpoint alerts.

This message is associated with Microsoft 365 Roadmap IDs 83961, 83962, and 83963.

[When this will happen:]

Rollout will begin in early July (previously late June) and is expected to be complete by late October (previously late September).
N/A
MC383876 (Updated) Collaborative Annotations on Presenter Shared Screen Updated October 7, 2022: We have updated the rollout timeline below. Thank you for your patience.

Collaborative Annotation helps you collaborate with others while screen sharing in Teams meetings. For example, if you want to ask for feedback on a design or if you’re working with a group on a project, Collaborative Annotation helps you get work done faster and with more voices included.

This message is associated with Microsoft 365 Roadmap ID 86732

[When this will happen:]

Standard: begin rollout in mid-June and expect to complete rollout by late June. - Complete

GCC: begin rollout in early August (previously late July) and expect to complete rollout in late August (previously early August).

GCC-High: begin rollout in late September (previously late August) and expect to complete rollout by late October (previously early October).

DoD: begin rollout in late January (previously late October) and expect to complete rollout in late February (previously early November).
Updated October 11, 2022: We have updated the content below for clarity. Thank you for your patience.

Collaborative Annotation helps you collaborate with others while screen sharing in Teams meetings. For example, if you want to ask for feedback on a design or if you’re working with a group on a project, Collaborative Annotation helps you get work done faster and with more voices included.

This message is associated with Microsoft 365 Roadmap ID 86732

[When this will happen:]

Standard: begin rollout in mid-June and expect to complete rollout by late June. - Complete

GCC: begin rollout in early August (previously late July) and expect to complete rollout in late August (previously early August).

GCC-High: begin rollout in late September (previously late August) and expect to complete rollout by late October (previously early October).

DoD: begin rollout in late January (previously late October) and expect to complete rollout in late February (previously early November).
N/A
MC392295 (Updated) Disable chat write access for anonymous or unauthenticated users Financial institutions consider chat messages as a form of data exfiltration, so it's imperative for IT admins to gain flexibility and control over chat access for anonymous or unauthenticated users. The latter may be expected to join Teams meetings, but they should be restricted from seeing and accessing any type of electronic communication on chat. This feature provides additional security by only disabling chat write access for non-federated users and unauthenticated users who join Teams meetings through a link, so it must be used in conjunction with disabled meeting chat policy applied to financial advisors to remain compliant.

This message is associated with Microsoft 365 Roadmap ID 91142

[When this will happen:]

Standard: early June through mid-July

GCC: late July through mid-August

GCC High: late August through early September

DoD: mid-September through late Septembe

Updated October 12, 2022: We have updated the rollout timeline below. Thank you for your patience.

Financial institutions consider chat messages as a form of data exfiltration, so it's imperative for IT admins to gain flexibility and control over chat access for anonymous or unauthenticated users. The latter may be expected to join Teams meetings, but they should be restricted from seeing and accessing any type of electronic communication on chat. This feature provides additional security by only disabling chat write access for non-federated users and unauthenticated users who join Teams meetings through a link, so it must be used in conjunction with disabled meeting chat policy applied to financial advisors to remain compliant.

This message is associated with Microsoft 365 Roadmap ID 91142

[When this will happen:]

Standard: early June through mid-July

GCC: late July through mid-August

GCC High: late August through late November (previously early September)

DoD: mid-September through early December (previously late September)

N/A
MC394844 (Updated) Stream on SharePoint: Inline playback of videos in Hero web part Updated September 8, 2022: We have updated the rollout timeline below. Thank you for your patience.

When users click to play a video in the Hero web part section of a SharePoint site, the video will play inline. This feature allows users to watch a video without being taken off the SharePoint page and allows users to browse or scroll through the other contents of the page while the video plays.

This message is associated with Microsoft 365 Roadmap ID 93351

[When this will happen:]

We will begin rolling out by mid-July and expect to complete by early October 2022 (previously early September 2022).

Note: Some users may see this feature before other users within your organization.
Updated October 13, 2022: We have updated the rollout timeline below. Thank you for your patience.

When users click to play a video in the Hero web part section of a SharePoint site, the video will play inline. This feature allows users to watch a video without being taken off the SharePoint page and allows users to browse or scroll through the other contents of the page while the video plays.

This message is associated with Microsoft 365 Roadmap ID 93351

[When this will happen:]

We will begin rolling out by mid-July and expect to complete by early November 2022 (previously early October 2022).

Note: Some users may see this feature before other users within your organization.
N/A
MC396178 (Updated) Planned Maintenance for Sway We would like to inform you that there is planned maintenance scheduled for Sway as we upgrade our service to enable future enhancements. This will occur during mid-July – October 2022. The impact to your tenant will vary depending on number of users and amount of Sway data.

[When this will happen:]

We will begin the maintenance in mid-July and expect to complete it by end of October.
Updated October 11, 2022: We have updated the timeline below. Thank you for your patience.

We would like to inform you that there is planned maintenance scheduled for Sway as we upgrade our service to enable future enhancements. This will occur during mid-July – October 2022. The impact to your tenant will vary depending on number of users and amount of Sway data.

[When this will happen:]

We will begin the maintenance in mid-July and expect to complete it by end of December (previously end of October).
N/A
MC405984 (Updated) Site Limits for SharePoint Lists, Libraries, and Subsites Updated September 19, 2022: We have updated the rollout timeline below. Thank you for your patience.

SharePoint recommends a maximum of 2,000 lists and libraries per site, and 2,000 subsites per site. These have been long standing limits for SharePoint but have not been formally enforced.

There have been cases where some sites exceeded these limits, resulting in poor site performance and low-quality viewing experience. One of the most impacted areas is the API performance that degrades significantly when users access data on the sites that exceed their recommended limits. The API calls may time out or get throttled, blocking the users from opening the site or resulting in unexpected failures. In some extreme cases, the issue can impact functionalities beyond these sites.

To ensure site performance and help customers have the best possible experience, Microsoft will implement a safeguard to prevent customers from exceeding these limits.

[When will this happen:]

The enforcement of the limits will start in early February (previously early November) and will be completely enforced by late April (previously late December).

Updated October 11, 2022: We are providing updates to provide you with additional information. Thank you for your patience.

We would like to provide clarification on the enforcement of maximum count of lists and libraries per site. As described in the SharePoint limits - Service Descriptions, the service limit is 2,000 lists and libraries combined per site collection (including the main site and any subsites). Beginning February 2023, we will enforce the limit of 2,000 lists and libraries independently at the main (root) site and the subsite level. For instance, a site collection can have 2,000 subsites (including the main site) and each subsite (including the main site) could have 2,000 lists and libraries (including the hidden and default out of the box libraries).

These limits may get further re-aligned based on the service description in the future, but the timeline is TBD. In the meantime, we still recommend customers to follow the limits defined in the service description to achieve the best performance and service reliability.

SharePoint recommends a maximum of 2,000 lists and libraries per site, and 2,000 subsites per site. These have been long standing limits for SharePoint but have not been formally enforced.

There have been cases where some sites exceeded these limits, resulting in poor site performance and low-quality viewing experience. One of the most impacted areas is the API performance that degrades significantly when users access data on the sites that exceed their recommended limits. The API calls may time out or get throttled, blocking the users from opening the site or resulting in unexpected failures. In some extreme cases, the issue can impact functionalities beyond these sites.

To ensure site performance and help customers have the best possible experience, Microsoft will implement a safeguard to prevent customers from exceeding these limits.

[When will this happen:]

The change will only impact the creation of new lists, libraries or subsites outside the approved limits starting in February 2023 (previously early November) and will be completely enforced by late April (previously late December).

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MC420049 (Updated) Live Translated Captions in Meetings and Calls Users will now be able to choose the Live Captions in the language they prefer, with the help of Microsoft Cognitive Service Speech Translation Capabilities. This will help users fully participate in meetings where the spoken language may not be their most comfortable language to use.

This message is associated with Microsoft 365 Roadmap ID 94843.

[When this will happen:]

We will begin rolling out to worldwide and GCC at mid-September and expect to be completed by early-October.

GCC-H and DoD will be started to roll out at mid-October and expect to be completed by early-November.
Updated October 12, 2022: We have determined that this message did not reach the intended audience. You can safely disregard this message. Thank you for your patience.

Users will now be able to choose the Live Captions in the language they prefer, with the help of Microsoft Cognitive Service Speech Translation Capabilities. This will help users fully participate in meetings where the spoken language may not be their most comfortable language to use.

This message is associated with Microsoft 365 Roadmap ID 94843.

[When this will happen:]

We will begin rolling out to worldwide and GCC at mid-September and expect to be completed by early-October.

GCC-H and DoD will be started to roll out at mid-October and expect to be completed by early-November.
N/A
MC427148 (Updated) Microsoft Purview Data Loss Prevention: Decoupling user notifications and policy tips Coming soon, we're updating configuration options for Microsoft Purview Data Loss Prevention (DLP) policies for Exchange Online to provide more granular control in how notifications and policy tips are surfaced.

This message is associated with Microsoft 365 Roadmap ID 93429.

[When this will happen:]

Public preview rollout will begin in late September and is expected to be complete by mid-October.

Standard rollout will begin in late October and is expected to be complete by mid-November.
Updated October 11, 2022: We have updated the rollout timeline below. Thank you for your patience.

Coming soon, we're updating configuration options for Microsoft Purview Data Loss Prevention (DLP) policies for Exchange Online to provide more granular control in how notifications and policy tips are surfaced.

This message is associated with Microsoft 365 Roadmap ID 93429.

[When this will happen:]

Public preview rollout will begin in late December (previously late September) and is expected to be complete by mid-January (previously mid-October).

Standard rollout will begin in late January (previously late October) and is expected to be complete by mid-February (previously mid-November).
N/A
MC427763 (Updated) Microsoft Purview | DLP: Self-diagnostic tool for SharePoint and OneDrive policies – Test-DlpPolicies(preview) Coming soon to public preview, we're introducing a new diagnostic tool to test the functionality of your Microsoft Data Loss Prevention (DLP) rules and policies configured for SharePoint Online and OneDrive for Business.

This message is associated with Microsoft 365 Roadmap ID 98928.

[When this will happen:]

Rollout to public preview will begin in late September and is expected to be complete by mid-October.
Updated October 10, 2022: We have updated the rollout timeline below. Thank you for your patience.

Coming soon to public preview, we're introducing a new diagnostic tool to test the functionality of your Microsoft Data Loss Prevention (DLP) rules and policies configured for SharePoint Online and OneDrive for Business.

This message is associated with Microsoft 365 Roadmap ID 98928.

[When this will happen:]

Rollout to public preview will begin in late October (previously late September) and is expected to be complete by late November (previously mid-October).

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MC428514 (Updated) Microsoft Teams: Group Chat Invitations From Unmanaged Users When using external access for Microsoft Teams, users receiving a group chat invitation from an unmanaged Teams user will be prompted with the option to acknowledge or leave the group chat.

This message is associated with Microsoft 365 Roadmap ID 95051

[When this will happen:]

We will begin rolling this feature out in early October and expect to complete rollout by early November.

Updated October 14, 2022: We have updated the rollout timeline below. Thank you for your patience.

When using external access for Microsoft Teams, users receiving a group chat invitation from an unmanaged Teams user will be prompted with the option to acknowledge or leave the group chat.

This message is associated with Microsoft 365 Roadmap ID 95051

[When this will happen:]

We will begin rolling this feature out in early November (previously early October) and expect to complete rollout by early December (previously early November).

N/A
MC441534 Basic Authentication – Monthly Usage Report - September 2022 We're making some changes to improve the security of your tenant. We announced in 2019 that we would be retiring Basic Authentication for legacy protocols, and in September 2021, we confirmed that we would begin to disable Basic Authentication for in-use protocols beginning October 2022.

We previously communicated this change via Message Center: MC191153 (Sept. ‘19), MC204828 (Feb. ‘20), MC208814 (April ‘20), MC237741 (Feb. ‘21) and MC286990 (Sep. ’21).

You can always read the latest information about our plans to turn off Basic Authentication here.

Based on our telemetry, there may be some users in your tenant currently using Basic Authentication and we expect these users to be affected when these changes take place.

In the month of September, we detected the following usage:

Exchange ActiveSync: 89

POP: 0

IMAP: 0

Outlook Windows: 0

Outlook for Mac/Exchange Web Services: 0

Exchange Remote PowerShell: 0

Please note these numbers only reflect the count of unique users who have successfully authenticated to these services in the specified month, they do not reflect successful access to mailboxes or data (for example, a user may authenticate using IMAP, but may be denied access to the mailbox due to configuration or policy).

If you want to block users or apps being able to authenticate at all using legacy protocols, we recommend using Authentication Polices.

To investigate this usage further, we recommend you use Azure AD Sign-in Reports which can provide detailed user, IP and client details for these authentications.
We're making some changes to improve the security of your tenant. We announced in 2019 that we would be retiring Basic Authentication for legacy protocols, and in September 2021, we confirmed that we would begin to disable Basic Authentication for in-use protocols beginning October 2022.

We previously communicated this change via Message Center: MC191153 (Sept. ‘19), MC204828 (Feb. ‘20), MC208814 (April ‘20), MC237741 (Feb. ‘21) and MC286990 (Sep. ’21).

You can always read the latest information about our plans to turn off Basic Authentication here.

Based on our telemetry, there may be some users in your tenant currently using Basic Authentication and we expect these users to be affected when these changes take place.

In the month of September, we detected the following usage:

Exchange ActiveSync: 1

POP: 0

IMAP: 1

Outlook Windows: 0

Outlook for Mac/Exchange Web Services: 0

Exchange Remote PowerShell: 0

Please note these numbers only reflect the count of unique users who have successfully authenticated to these services in the specified month, they do not reflect successful access to mailboxes or data (for example, a user may authenticate using IMAP, but may be denied access to the mailbox due to configuration or policy).

If you want to block users or apps being able to authenticate at all using legacy protocols, we recommend using Authentication Polices.

To investigate this usage further, we recommend you use Azure AD Sign-in Reports which can provide detailed user, IP and client details for these authentications.
N/A
MC441534 Basic Authentication – Monthly Usage Report - September 2022 We're making some changes to improve the security of your tenant. We announced in 2019 that we would be retiring Basic Authentication for legacy protocols, and in September 2021, we confirmed that we would begin to disable Basic Authentication for in-use protocols beginning October 2022.

We previously communicated this change via Message Center: MC191153 (Sept. ‘19), MC204828 (Feb. ‘20), MC208814 (April ‘20), MC237741 (Feb. ‘21) and MC286990 (Sep. ’21).

You can always read the latest information about our plans to turn off Basic Authentication here.

Based on our telemetry, there may be some users in your tenant currently using Basic Authentication and we expect these users to be affected when these changes take place.

In the month of September, we detected the following usage:

Exchange ActiveSync: 1

POP: 0

IMAP: 1

Outlook Windows: 0

Outlook for Mac/Exchange Web Services: 0

Exchange Remote PowerShell: 0

Please note these numbers only reflect the count of unique users who have successfully authenticated to these services in the specified month, they do not reflect successful access to mailboxes or data (for example, a user may authenticate using IMAP, but may be denied access to the mailbox due to configuration or policy).

If you want to block users or apps being able to authenticate at all using legacy protocols, we recommend using Authentication Polices.

To investigate this usage further, we recommend you use Azure AD Sign-in Reports which can provide detailed user, IP and client details for these authentications.
We're making some changes to improve the security of your tenant. We announced in 2019 that we would be retiring Basic Authentication for legacy protocols, and in September 2021, we confirmed that we would begin to disable Basic Authentication for in-use protocols beginning October 2022.

We previously communicated this change via Message Center: MC191153 (Sept. ‘19), MC204828 (Feb. ‘20), MC208814 (April ‘20), MC237741 (Feb. ‘21) and MC286990 (Sep. ’21).

You can always read the latest information about our plans to turn off Basic Authentication here.

Based on our telemetry, there may be some users in your tenant currently using Basic Authentication and we expect these users to be affected when these changes take place.

In the month of September, we detected the following usage:

Exchange ActiveSync: 89

POP: 0

IMAP: 0

Outlook Windows: 0

Outlook for Mac/Exchange Web Services: 0

Exchange Remote PowerShell: 0

Please note these numbers only reflect the count of unique users who have successfully authenticated to these services in the specified month, they do not reflect successful access to mailboxes or data (for example, a user may authenticate using IMAP, but may be denied access to the mailbox due to configuration or policy).

If you want to block users or apps being able to authenticate at all using legacy protocols, we recommend using Authentication Polices.

To investigate this usage further, we recommend you use Azure AD Sign-in Reports which can provide detailed user, IP and client details for these authentications.
N/A
MC445411 (Updated) Exchange: Message Recall Option to Disable the Recalling of Read Messages We are releasing a new Message Recall for Exchange Online feature that will recall messages that are flagged as "read” – the classic Message Recall in Outlook doesn’t recall read messages. Before we release the new feature, we want to let you know that tenant admins now have the option to disable the recalling of read messages for your organization.

This message is associated with Microsoft 365 Roadmap ID 59438.

[When this will happen:]

The new Message Recall feature will begin rolling out in mid-November. The ability to disable the recalling of read messages for your organization is available now.
Updated October 14, 2022: We have updated the content below to show as intended. Thank you for your patience.

We are releasing a new Message Recall for Exchange Online feature that will recall messages that are flagged as "read” – the classic Message Recall in Outlook doesn’t recall read messages. Before we release the new feature, we want to let you know that tenant admins now have the option to disable the recalling of read messages for your organization.

This message is associated with Microsoft 365 Roadmap ID 59438.

[When this will happen:]

The new Message Recall feature will begin rolling out in mid-November. The ability to disable the recalling of read messages for your organization is available now.
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MC MessageTagNames changes

MC ID MC Title Old Value New Value MC Action required by
MC392295 (Updated) Disable chat write access for anonymous or unauthenticated users New feature, User impact Updated message, New feature, User impact N/A
MC396178 (Updated) Planned Maintenance for Sway User impact, Admin impact Updated message, User impact, Admin impact N/A
MC420049 (Updated) Live Translated Captions in Meetings and Calls New feature, Admin impact Updated message, New feature, Admin impact N/A
MC427148 (Updated) Microsoft Purview Data Loss Prevention: Decoupling user notifications and policy tips New feature, Admin impact Updated message, New feature, Admin impact N/A
MC427763 (Updated) Microsoft Purview | DLP: Self-diagnostic tool for SharePoint and OneDrive policies – Test-DlpPolicies(preview) New feature, Admin impact Updated message, New feature, Admin impact N/A
MC428514 (Updated) Microsoft Teams: Group Chat Invitations From Unmanaged Users New feature, User impact Updated message, New feature, User impact N/A
MC445411 (Updated) Exchange: Message Recall Option to Disable the Recalling of Read Messages New feature, User impact, Admin impact Updated message, New feature, User impact, Admin impact N/A

MC prepare changes

MC ID MC Title Old Value New Value MC Action required by
MC405984 (Updated) Site Limits for SharePoint Lists, Libraries, and Subsites Share these limits with people who manage SharePoint sites in your organization. If the sites in your tenant are below the limits, this change will not impact you.

It is uncommon for the organic growth of site to reach these limits. However, there is a possibility that custom solutions can generate a high volume of lists and libraries. In that situation, our recommendation is to work with their solution providers to prepare an alternative solution in order to stay compliant with these limits.

Additional Information:

SharePoint limits - Service Descriptions | Microsoft Docs

https://docs.microsoft.com/office365/servicedescriptions/sharepoint-online-service-description/sharepoint-online-limits#lists-and-libraries
Share these limits with people who manage SharePoint sites in your organization. If the sites in your tenant are below the limits, this change will not impact you.

It is uncommon for the organic growth of site to reach these limits. However, there is a possibility that custom solutions can generate a high volume of lists and libraries. In that situation, our recommendation is to work with their solution providers to prepare an alternative solution in order to stay compliant with these limits.

Additional Information:

SharePoint limits - Service Descriptions | Microsoft Docs

https://docs.microsoft.com/office365/servicedescriptions/sharepoint-online-service-description/sharepoint-online-limits#lists-and-libraries

https://learn.microsoft.com/en-us/office365/servicedescriptions/sharepoint-online-service-description/sharepoint-online-limits#lists-and-libraries
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MC445411 (Updated) Exchange: Message Recall Option to Disable the Recalling of Read Messages If you want to accept the default behavior for the new Message Recall to recall read messages, there’s nothing you need to do to prepare. If you want to disable the recalling of read messages for your organization, you can do it either via the EAC or via Remote PowerShell:

1) Via the EAC uncheck the following setting:

EAC > Settings > Mail Flow > Message Recall > Allow users to recall messages read by the recipient

2) Via Remote PowerShell:

Set-OrganizationConfig -RecallReadMessagesEnabled $true

https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters=&searchterms=59438

If you want to accept the default behavior for the new Message Recall to recall read messages, there’s nothing you need to do to prepare. If you want to disable the recalling of read messages for your organization, you can do it either via the EAC or via Remote PowerShell:

1) Via the EAC uncheck the following setting:

EAC > Settings > Mail Flow > Message Recall > Allow users to recall messages read by the recipient

2) Via Remote PowerShell:

Set-OrganizationConfig -RecallReadMessagesEnabled $false

https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters=&searchterms=59438

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MC Title changes

MC ID MC Title Old Value New Value MC Action required by
MC392295 (Updated) Disable chat write access for anonymous or unauthenticated users Disable chat write access for anonymous or unauthenticated users (Updated) Disable chat write access for anonymous or unauthenticated users N/A
MC396178 (Updated) Planned Maintenance for Sway Planned Maintenance for Sway (Updated) Planned Maintenance for Sway N/A
MC420049 (Updated) Live Translated Captions in Meetings and Calls Live Translated Captions in Meetings and Calls (Updated) Live Translated Captions in Meetings and Calls N/A
MC427148 (Updated) Microsoft Purview Data Loss Prevention: Decoupling user notifications and policy tips Microsoft Purview Data Loss Prevention: Decoupling user notifications and policy tips (Updated) Microsoft Purview Data Loss Prevention: Decoupling user notifications and policy tips N/A
MC427763 (Updated) Microsoft Purview | DLP: Self-diagnostic tool for SharePoint and OneDrive policies – Test-DlpPolicies(preview) Microsoft Purview | DLP: Self-diagnostic tool for SharePoint and OneDrive policies – Test-DlpPolicies (preview) (Updated) Microsoft Purview | DLP: Self-diagnostic tool for SharePoint and OneDrive policies – Test-DlpPolicies(preview) N/A
MC428514 (Updated) Microsoft Teams: Group Chat Invitations From Unmanaged Users Microsoft Teams: Group Chat Invitations From Unmanaged Users (Updated) Microsoft Teams: Group Chat Invitations From Unmanaged Users N/A
MC445411 (Updated) Exchange: Message Recall Option to Disable the Recalling of Read Messages Exchange: Message Recall Option to Disable the Recalling of Read Messages (Updated) Exchange: Message Recall Option to Disable the Recalling of Read Messages N/A

CW42 New Office 365 Message Center items

MC ID MC Title MC Category MC Workload MC Major Change MC Action required by
MC444990 Update to sharing e-mails Stay Informed SharePoint Online, OneDrive for Business False N/A
MC444987 Retiring Support for iOS 13 and MacOS 10.14 Plan For Change Microsoft 365 Apps True N/A
MC445202 Microsoft Teams: Browser Screen Pop for Incoming PSTN Calls Stay Informed Microsoft Teams False N/A
MC445201 Announcing General Availability for Storyline for Microsoft Viva Engage and Yammer Stay Informed Yammer Enterprise False N/A
MC445172 Updates available for Microsoft 365 Apps for all channels Stay Informed Microsoft 365 Apps False N/A
MC445157 Take action: October 2022 security update available for all supported versions of Windows Plan For Change Windows False N/A
MC445156 Reminder: Windows 8.1 support ends on January 10, 2023 Plan For Change Windows False 01/10/2023
MC445155 Reminder: End of servicing for Windows 10, version 21H1, on December 13, 2022 Plan For Change Windows False 12/13/2022
MC445406 Announcing Microsoft Teams Premium Plan For Change Microsoft Teams False N/A
MC445324 Announcing Managed Environments for Microsoft Power Platform Stay Informed Microsoft Power Automate True N/A
MC445423 Outlook: Reactions to Email Messages Stay Informed Exchange Online False N/A
MC445422 Important information about your Microsoft Dynamic 365 service Stay Informed Dynamics 365 Apps, Power Apps, Microsoft Power Automate False N/A
MC445421 Emissions Impact Dashboard for Microsoft 365 - General Availability Stay Informed Power BI False N/A
MC445420 Viva Connections Available Out of the Box for Users with F License Stay Informed Microsoft Teams False N/A
MC445418 Retiring Turn On File Synchronization Via SOAP Over HTTP Plan For Change Microsoft 365 Apps True N/A
MC445411 (Updated) Exchange: Message Recall Option to Disable the Recalling of Read Messages Plan For Change Exchange Online False N/A
MC445767 Announcing Payments in Microsoft Teams Stay Informed Microsoft Teams False N/A
MC445744 Teams admin center: View users and groups assigned to a policy Stay Informed Microsoft Teams False N/A
MC445742 OneDrive: Folder Backup for macOS Stay Informed OneDrive for Business False N/A
MC445740 Viva Insights will stop processing Window 10 or 11 Activity history Stay Informed Microsoft Viva False N/A
MC446149 Expediting quality updates Stay Informed Windows False N/A
MC446137 Configuration Change: Azure Information Protection Add-in will be disabled by default for Office apps Stay Informed Azure Information Protection, Microsoft 365 Apps False N/A
MC446135 Focus Mode in Viva Insights Teams App Stay Informed Microsoft Teams, Microsoft Viva False N/A
MC446133 New Insights Added to ‘Meetings’ People Experience Category in Adoption Score Stay Informed Microsoft 365 suite False N/A
MC446132 The Office app is becoming the Microsoft 365 app Stay Informed Microsoft 365 Apps False N/A
MC446130 Transcription for Calls on Microsoft Teams for Android Stay Informed Microsoft Teams False N/A
MC446129 Microsoft Purview | Communication Compliance: Analyze linked content shared in Teams chats and private channels Stay Informed Microsoft 365 suite False N/A
MC446128 Microsoft Purview | Data Loss Prevention: Support for complex conditions (GA) Stay Informed Microsoft 365 suite False N/A
MC441534 Basic Authentication – Monthly Usage Report - September 2022 Prevent Or Fix Issue Exchange Online True N/A

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