check before: 2025-10-01
Product:
Microsoft 365 admin center, OneDrive, Power Apps, SharePoint, Teams
Platform:
Multi-Geo, Online, World tenant
Status:
Change type:
Feature update, User impact, Admin impact
Links:
Details:
Summary:
SharePoint Online Tenant Rename is now generally available without site count limits, enabling domain name changes for all tenants starting October 16, 2025. It supports business continuity, Microsoft 365 integrations, and requires SAM licenses for tenants with over 10,000 sites. Vanity domains and Multi-Geo are unsupported.
Details:
Organizations undergoing rebranding, mergers, acquisitions, divestitures, or tenant consolidations often need their SharePoint domain name in URLs to reflect their new identity. The SharePoint Online Tenant Rename feature enables this change. We are announcing general availability of advanced tenant rename with no site count limitation. With this update, the feature is now accessible to all customers, regardless of the total number of sites in the tenant.
When this will happen:
General availability begins worldwide on October 16, 2025. Rollout started in early October and is expected to complete by mid-October 2025.
Change Category:
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Scope:
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Release Phase:
Created:
2025-10-17
updated:
2025-10-17
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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MS Urgency
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summary for non-techies**
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Direct effects for Operations**
Domain Name Change Impact
Users may experience broken links and access issues if the domain name is changed without proper preparation, leading to confusion and disruption in accessing SharePoint resources.
- roles: SharePoint Admin, End Users
- references: https://learn.microsoft.com/sharepoint/change-your-sharepoint-domain-name
Licensing Requirements
Tenants with over 10,000 sites must ensure SAM licenses are in place; failure to do so may result in service interruptions or inability to complete the rename process.
- roles: IT Manager, Finance Officer
- references: https://learn.microsoft.com/sharepoint/change-your-sharepoint-domain-name
Integration Compatibility
Existing integrations with Microsoft Teams and PowerApps may fail if not validated against the new domain, causing workflow disruptions and user frustration.
- roles: PowerApps Developer, Teams Admin
- references: https://learn.microsoft.com/sharepoint/change-your-sharepoint-domain-name
Configutation Options**
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Opportunities**
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Potentional Risks**
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Data Protection**
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IT Security**
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Hypothetical Work Council Statement**
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DPIA Draft**
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explanation for non-techies**
Imagine your organization is like a large company with many branches spread across different cities. Each branch has its own unique address. Now, suppose the company decides to rebrand or merge with another company, and it needs to change the addresses of all its branches to reflect this new identity. This is similar to what the SharePoint Online Tenant Rename feature does for your organization's online presence.
In the digital world, your SharePoint domain name acts like the address for your online "branches" or sites. When a company undergoes changes like rebranding, mergers, or acquisitions, it often needs to update these digital addresses to match the new company identity. Previously, there were limitations on how many sites could be renamed at once, much like how changing the address of only a few branches at a time might be manageable, but doing so for a large number of branches could be challenging.
Starting October 16, 2025, Microsoft is making it possible for organizations to change their SharePoint domain names without any limitations on the number of sites. This means whether you have a few sites or thousands, you can update all of them to reflect your new company identity seamlessly. Think of it as being able to update the addresses of all your branches in one go, ensuring consistency and continuity in your business operations.
However, just like you would need to inform the post office and your clients about your new physical address, there are some preparations required for this digital change. Organizations need to ensure they have the necessary licenses if they have more than 10,000 sites and communicate any changes to the relevant stakeholders. Additionally, it's important to check any custom scripts or integrations that might rely on the old domain name, similar to updating your address on business cards and marketing materials.
This update is a significant step for businesses looking to maintain a consistent and unified online presence, especially during times of organizational change. It ensures that all parts of the business can continue to operate smoothly without interruption, much like ensuring all branches of a company can continue to serve customers without confusion over addresses.
** AI generated content. This information must be reviewed before use.
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Last updated 2 months ago ago
