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How to Fix the SharePoint Site Address Is Available with Modification Error

Kushani Nimanthika Oct 19, 2026 868 views

Question details

Users encounter a modification error when creating a new SharePoint site because the desired site URL is still occupied by a previously renamed or deleted site.

How to Fix the SharePoint 'Site Address Is Available with Modification' Error

Product: Microsoft SharePoint
Device & OS: not provided
Scenario: Attempting to create a new SharePoint site using a specific name after the original site with the same name was renamed.
Observed behavior: SharePoint displays a 'This site address is available with modification' message and suggests an alternative URL, preventing the user from using the exact desired web address.

Before you start

Ensure you have SharePoint Administrator or Global Administrator privileges, as standard site owners cannot modify site URLs or permanently delete sites from the admin center to release the address.

Solution 1Recommended

Resolve the Site URL Conflict via SharePoint Admin Center

Use the SharePoint Admin Center to edit the original site's URL or permanently delete it, thereby releasing the desired address for the new site.

Renaming a site's display name does not automatically change its underlying web URL. As long as the old URL remains active or sits in the recycle bin, SharePoint will not allow a new site to use it. An administrator must intervene to clear the conflict.

Access the Admin Center

Log in to the Microsoft 365 admin center using an account with administrator permissions, then navigate to the SharePoint admin center.

Locate the Conflicting Site

Expand the 'Sites' menu on the left sidebar and click on 'Active sites' to find the original site. If the site was previously removed, check the 'Deleted sites' section.

Edit the Site Address

Select the active site and open its details panel. Look for the URL section and click 'Edit' to change the old site's address, which will free up the original name.

Permanently Delete if Unneeded

If the old site is no longer required, select it and choose 'Delete'. Be sure to also remove it permanently from the 'Deleted sites' recycle bin to immediately release the URL.

Create the New Site

Wait a few moments for the backend synchronization to complete, then attempt to create your new SharePoint site with the desired name.

Resolve the Site URL Conflict via SharePoint Admin Center

Synchronization Delay: It may take a few minutes for the released URL to become available across the tenant after an administrator makes these changes.

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Frequently Asked Questions

Can a standard site owner change the SharePoint site URL?

No, a standard site owner can only change the site's display name. Modifying the actual site URL or web address requires SharePoint Administrator or Global Administrator permissions.

Why did changing my SharePoint site name not update the URL?

In SharePoint, the display name and the site URL are managed separately. Updating the display name changes how the site appears to users, but the backend URL remains identical to prevent broken links for existing users and files.

How long does it take for a SharePoint URL to become available after deletion?

Once an administrator permanently deletes the site from the SharePoint admin center's deleted sites list, the URL typically becomes available almost immediately. However, backend syncing might occasionally take a few minutes.

What happens if I accept the modified site address suggested by SharePoint?

If you accept the modified address (such as appending a number to the name), SharePoint will successfully create your new site. The site will function normally, but its actual web URL will slightly differ from its display name.

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