check before: 2025-06-30
Product:
Entra, OneDrive, SharePoint
Platform:
Online, World tenant
Status:
Change type:
Admin impact, Feature update, Updated message, User impact
Links:
Details:
Summary:
Effective July 1, 2025, external users will lose access to content shared via SharePoint One Time Passcode (OTP) before enabling Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. Resharing is required to restore access. Notify users and update internal documentation accordingly.
Details:
Updated June 26, 2025: We have updated the content. Thank you for your patience.
As part of our ongoing efforts to enhance security, we are making a critical change to how Microsoft SharePoint and Microsoft OneDrive integrate with Microsoft Entra B2B. This change affects how external users access previously shared content.
[When this will happen:]
Effective July 1, 2025, external users will no longer be able to access files, folders, or sites using links that were shared via SharePoint One Time Passcode (OTP) before your organization enabled Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B.
Change Category:
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Scope:
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Release Phase:
Created:
2025-06-07
updated:
2025-06-27
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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Pictures
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summary for non-techies**
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Direct effects for Operations**
Loss of Access for External Users
External users will lose access to content shared via SharePoint One Time Passcode (OTP) before the integration with Microsoft Entra B2B is enabled. Resharing is required to restore access.
- roles: External Collaborators, SharePoint Administrators
- references: https://learn.microsoft.com/entra/external-id/redemption-experience#invitation-redemption-flow, https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration
Increased Workload for Internal Users
Users must reshare files, folders, or sites with external collaborators, increasing their workload and potentially causing delays in collaboration.
- roles: Internal Users, Project Managers
- references: https://learn.microsoft.com/entra/external-id/redemption-experience#invitation-redemption-flow, https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration
User Confusion and Frustration
External users will encounter error messages when attempting to access previously shared links, leading to confusion and frustration.
- roles: External Collaborators, Helpdesk Support
- references: https://learn.microsoft.com/entra/external-id/redemption-experience#invitation-redemption-flow, https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration
Need for Updated Documentation
Internal documentation, training materials, and helpdesk scripts must be updated to reflect the changes in sharing processes and access.
- roles: Training Coordinators, Helpdesk Staff
- references: https://learn.microsoft.com/entra/external-id/redemption-experience#invitation-redemption-flow, https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration
Potential Delay in Project Timelines
The need to reshare content may lead to delays in project timelines as users adjust to the new sharing requirements.
- roles: Project Managers, Team Leads
- references: https://learn.microsoft.com/entra/external-id/redemption-experience#invitation-redemption-flow, https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration
Configutation Options**
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Opportunities**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
Imagine you have a key to a friend's house, but one day they change the locks for better security. Now, your old key doesn't work, and you need a new one to get in. This is similar to what's happening with Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B.
Starting July 1, 2025, external users who accessed shared content through a method called SharePoint One Time Passcode (OTP) will find that their "keys" no longer work. This is because the system is upgrading its security "locks" by integrating with Microsoft Entra B2B. To regain access, the content needs to be reshared with them using the new system.
For those who work with external collaborators, it's important to know that any links shared before this integration will need to be updated. Think of it as needing to give your friends a new key after changing the locks. If the person who originally shared the content isn't available, someone else with the right permissions can provide the new access.
The good news is that the process of sharing content hasn't changed. You can continue to share files, folders, and sites as you always have, but now with the added security of the new system. It's crucial to inform your team about this change and update any training materials or helpdesk scripts to ensure everyone is on the same page.
In summary, while the security upgrade may cause a temporary inconvenience, it ultimately ensures a more secure and efficient way to manage external access to your organization's content.
** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-06-27 | MC Messages | Updated June 13, 2025: We have updated the timeline below. Thank you for your patience.
As part of our ongoing efforts to enhance security, we are making a critical change to how Microsoft SharePoint and Microsoft OneDrive integrate with Microsoft Entra B2B. This change affects how external users access previously shared content. [When this will happen:] Effective July 1, 2025, external users will no longer be able to access files, folders, or sites via links that were shared before your organization enabled Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. | Updated June 26, 2025: We have updated the content. Thank you for your patience.
As part of our ongoing efforts to enhance security, we are making a critical change to how Microsoft SharePoint and Microsoft OneDrive integrate with Microsoft Entra B2B. This change affects how external users access previously shared content. [When this will happen:] Effective July 1, 2025, external users will no longer be able to access files, folders, or sites using links that were shared via SharePoint One Time Passcode (OTP) before your organization enabled Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. |
| 2025-06-27 | MC How Affect | All users in every tenant that has already enabled or in future, will enable SharePoint integration with Entra B2B are impacted. Your external users will lose access to all the files, folders and sites shared before enabling this integration. To give access again, resharing is required. After the integration is enabled, external sharing will use Microsoft Entra B2B Invitation Manager
External users attempting to use older links will encounter an error message "Sorry, something went wrong. This organization has updated its guest access settings. To access this item, please contact the person who shared it with you and ask them to reshare it with you. Impact to end users: External users will lose access to content shared before your tenant enabled SharePoint integration with Entra B2B. To restore access, users must reshare the file, folder, or site with the intended external collaborators. If the original sender is unavailable or lacks permission, another authorized user must reshare the content. No changes are required to the sharing process-users can continue to share content as they always have. | All users in every tenant that has already enabled or in future, will enable SharePoint integration with Entra B2B are impacted. Your external users will lose access to all the files, folders and sites shared via SharePoint One Time Passcode (OTP) before enabling this integration. To give access again, resharing is required. After the integration is enabled, external sharing will use Microsoft Entra B2B Invitation Manager. Learn more: B2B Invitation Redemption - Microsoft Entra External ID | Microsoft Learn
External users attempting to use older links will encounter an error message "Sorry, something went wrong. This organization has updated its guest access settings. To access this item, please contact the person who shared it with you and ask them to reshare it with you. Impact to end users: External users will lose access to content shared before your tenant enabled SharePoint integration with Entra B2B. To restore access, users must reshare the file, folder, or site with the intended external collaborators. If the original sender is unavailable or lacks permission, another authorized user must reshare the content. No changes are required to the sharing process-users can continue to share content as they always have. |
| 2025-06-27 | MC Last Updated | 06/13/2025 23:11:53 | 2025-06-26T17:39:14Z |
| 2025-06-27 | MC prepare | Notify your users: Inform your users who collaborate externally that previously shared links will no longer work.
Update internal documentation: Adjust training materials and helpdesk scripts to reflect this change. Learn more: Microsoft Entra B2B integration for SharePoint & OneDrive - SharePoint in Microsoft 365 | Microsoft Learn https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration | Notify your users: Inform your users who collaborate externally that previously shared links will no longer work.
Update internal documentation: Adjust training materials and helpdesk scripts to reflect this change. Learn more: Microsoft Entra B2B integration for SharePoint & OneDrive - SharePoint in Microsoft 365 | Microsoft Learn https://learn.microsoft.com/entra/external-id/redemption-experience#invitation-redemption-flow https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration |
| 2025-06-27 | MC Summary | Effective July 1, 2025, external users will lose access to content shared before enabling Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. To restore access, resharing is required. Notify users and update internal documentation accordingly. External sharing will use Microsoft Entra B2B Invitation Manager. | Effective July 1, 2025, external users will lose access to content shared via SharePoint One Time Passcode (OTP) before enabling Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. Resharing is required to restore access. Notify users and update internal documentation accordingly. |
| 2025-06-14 | MC prepare | Notify your users: Inform users who collaborate externally that previously shared links will no longer work after Entra B2B integration.
Update internal documentation: Adjust training materials and helpdesk scripts to reflect this change. Plan for MFA: External users will be required to complete multi-factor authentication (MFA) registration as part of the Entra B2B onboarding process. Learn more: Microsoft Entra B2B integration for SharePoint & OneDrive - SharePoint in Microsoft 365 | Microsoft Learn | Notify your users: Inform your users who collaborate externally that previously shared links will no longer work.
Update internal documentation: Adjust training materials and helpdesk scripts to reflect this change. Learn more: Microsoft Entra B2B integration for SharePoint & OneDrive - SharePoint in Microsoft 365 | Microsoft Learn https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration |
| 2025-06-14 | MC MessageTagNames | Feature update, User impact, Admin impact | Updated message, Feature update, User impact, Admin impact |
| 2025-06-14 | MC Summary | Resharing to external users is required after enabling Microsoft SharePoint integration with Microsoft Entra B2B. Effective July 1, 2025, previously shared links will no longer work, and external users must be re-invited. Notify users, update documentation, and plan for MFA registration. Learn more [here](https://learn.microsoft.com/sharepoint/sharepoint-azureb2b-integration). | Effective July 1, 2025, external users will lose access to content shared before enabling Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. To restore access, resharing is required. Notify users and update internal documentation accordingly. External sharing will use Microsoft Entra B2B Invitation Manager. |
| 2025-06-14 | MC Last Updated | 06/07/2025 01:31:44 | 2025-06-13T23:11:53Z |
| 2025-06-14 | MC Messages | As part of our ongoing efforts to enhance security, we are making a critical change to how Microsoft SharePoint and Microsoft OneDrive integrate with Microsoft Entra B2B. This change affects how external users access previously shared content.
[When this will happen:] Effective July 1, 2025, external users will no longer be able to access files, folders, or sites via links that were shared before your organization enabled SharePoint and OneDrive integration with Microsoft Entra B2B. | Updated June 13, 2025: We have updated the timeline below. Thank you for your patience.
As part of our ongoing efforts to enhance security, we are making a critical change to how Microsoft SharePoint and Microsoft OneDrive integrate with Microsoft Entra B2B. This change affects how external users access previously shared content. [When this will happen:] Effective July 1, 2025, external users will no longer be able to access files, folders, or sites via links that were shared before your organization enabled Microsoft SharePoint and OneDrive integration with Microsoft Entra B2B. |
| 2025-06-14 | MC How Affect | This change only impacts organizations that have already enabled or plan to enable SharePoint and OneDrive integration with Microsoft Entra B2B.
After integration, all new external sharing will use Microsoft Entra B2B Invitation Manager. Previously shared links that used the SharePoint One-Time Passcode (OTP) will no longer work. External users attempting to use these older links will encounter the error message "Sorry, something went wrong. This organization has updated its guest access settings. To access this item, please contact the person who shared it with you and ask them to reshare it with you." Impact to end users: External users will lose access to content shared via SPO OTP links created before Entra B2B integration. To restore access, users must reshare the file, folder, or site with the intended external collaborators. If the original sender is unavailable or lacks permission, another authorized user must reshare the content. No changes are required to the sharing process-users can continue to share content as they always have. | All users in every tenant that has already enabled or in future, will enable SharePoint integration with Entra B2B are impacted. Your external users will lose access to all the files, folders and sites shared before enabling this integration. To give access again, resharing is required. After the integration is enabled, external sharing will use Microsoft Entra B2B Invitation Manager
External users attempting to use older links will encounter an error message "Sorry, something went wrong. This organization has updated its guest access settings. To access this item, please contact the person who shared it with you and ask them to reshare it with you. Impact to end users: External users will lose access to content shared before your tenant enabled SharePoint integration with Entra B2B. To restore access, users must reshare the file, folder, or site with the intended external collaborators. If the original sender is unavailable or lacks permission, another authorized user must reshare the content. No changes are required to the sharing process-users can continue to share content as they always have. |
Last updated 4 months ago ago
