OneDrive Error Codes

How to Fix OneDrive Error 404 After Changing Microsoft Account Email

Rana Garcia Oct 21, 2026 868 views

Question details

Users encounter a 404 error when attempting to open OneDrive links after their Microsoft 365 account email address has been changed.

How to Fix OneDrive Error 404 After Changing Your Microsoft Account Email

Product: Microsoft OneDrive
Device & OS: not provided
Scenario: Accessing existing OneDrive links or files after an organization has updated the user's Microsoft 365 email address.
Observed behavior: OneDrive links continue to reference the old email address, returning an Error 404 because user profiles or permissions have failed to synchronize properly.

Before you start

Verify that you have Global Administrator or SharePoint Administrator privileges in Microsoft 365, as resolving this synchronization issue requires administrative access to the SharePoint admin center.

Solution 1Recommended

Update User Profile Permissions in SharePoint Admin Center

Administrators must manually verify and assign user permissions in the SharePoint admin center to fix the 404 redirect issue.

When an email address is changed in Microsoft 365, the associated OneDrive URL is also updated. If the user profile permissions do not automatically sync, old links will not redirect properly, resulting in a 404 error. An administrator needs to force this synchronization by re-assigning permissions.

Access SharePoint Admin Center

Log in to the Microsoft 365 admin portal with Global or SharePoint Administrator credentials and open the SharePoint admin center.

Navigate to User Profiles

In the left navigation pane, select 'More features' and then click 'Open' under the 'User profiles' section.

Manage User Permissions

Click on 'Manage User Permissions', search for the affected user's new account, and add it to the list.

Assign Required Permissions

Select the newly added account, ensure all required permissions are checked, and save the changes.

Wait for Propagation

Allow sufficient time for the profile updates and new OneDrive URL changes to propagate across the tenant before testing the links.

Propagation Delay: It may take up to 24 hours for backend user profile changes to fully propagate and restore access to the OneDrive links.

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Frequently Asked Questions

Why does OneDrive show a 404 error after my email address was changed?

Changing your Microsoft 365 email address changes your unique OneDrive URL. If the backend user profile fails to sync the permissions properly, the old URL won't redirect to the new one, causing a 404 Not Found error.

Can I fix the OneDrive 404 error myself without an IT administrator?

No. Resolving this specific error requires access to the SharePoint admin center to manage user profile permissions. You must contact your organization's IT department or Global Administrator for assistance.

How long will it take for my OneDrive links to work again?

After your administrator updates your permissions in the SharePoint admin center, it typically takes a few hours, and sometimes up to 24 hours, for the changes to fully propagate across the Microsoft 365 ecosystem.

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