check before: 2025-09-01
Product:
Microsoft 365 admin center, Microsoft 365 Apps, 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 for tenants with up to 500K sites, allowing domain name changes during rebranding or mergers. It ensures high reliability, business continuity, and compatibility with Microsoft 365 apps, but excludes vanity domains, Multi-Geo, and tenants over 500K sites.
Details:
Introduction
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 (SPO) Tenant Rename feature enables this change. We are announcing General Availability (GA) of Advanced Tenant Rename for tenants with up to 500K SharePoint sites, expanding support beyond the previous 100K site limit.
When this will happen
General Availability (Worldwide): We began rolling out in mid-August 2025 and expect to complete by early September 2025.
This feature will be generally available worldwide starting September 1, 2025.
Change Category:
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Scope:
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Release Phase:
Created:
2025-09-03
updated:
2025-09-03
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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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Domain Name Change Impact
Changing the SharePoint domain name without preparation can lead to broken links and inaccessible resources for users, affecting their ability to find and use documents and sites.
- roles: SharePoint Administrators, End Users
- references: https://learn.microsoft.com/sharepoint/change-your-sharepoint-domain-name
Integration Issues
Existing integrations with third-party applications or custom scripts that rely on the old domain may fail, disrupting workflows and productivity.
- roles: IT Developers, Business Analysts
- references: https://learn.microsoft.com/sharepoint/change-your-sharepoint-domain-name
User Communication Gap
Failure to communicate the changes to site owners and users can result in confusion and frustration, leading to decreased user satisfaction and productivity.
- roles: Communications Managers, End Users
- 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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IT Security**
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explanation for non-techies**
Imagine you are managing a large library with thousands of books. Each book has a unique code that helps you locate it on the shelves. Now, let's say the library decides to change its name due to a merger or rebranding. This means all the codes on the books need to be updated to reflect the new library name, but you still want to ensure that people can find the books easily during and after this change.
This is similar to what Microsoft is offering with the SharePoint Online Tenant Rename feature. Organizations that use SharePoint Online often have URLs that include their company name. When a company undergoes a rebranding or merger, they might want to change these URLs to match their new identity. The new feature allows companies with up to 500,000 SharePoint sites to change their domain names without disrupting their daily operations, much like updating the book codes in our library analogy while keeping the library running smoothly.
However, there are some limitations. Just as a library might not be able to update codes for rare or special collections immediately, the SharePoint rename feature does not support vanity domains, Multi-Geo customers, or tenants with more than 500,000 sites. It's like saying the library can handle most of the books, but not the ones in special sections.
For those managing this change, it's important to first check how many sites your organization has, just like a librarian would count the books before starting the update. You should also review any special features or integrations that might be affected by the change, similar to checking if any books have unique identifiers that need special attention.
Overall, this update aims to provide a seamless transition for companies looking to update their online identity, ensuring that everything continues to function smoothly, much like keeping a library organized and accessible during a major update.
** AI generated content. This information must be reviewed before use.
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