SharePoint Document Issues

How to Fix SharePoint 404 Errors and Missing OneDrive Shortcuts

Amos Gikunda Oct 21, 2026 868 views

Question details

Users need to resolve persistent 404 file-not-found errors and broken OneDrive shortcuts that occur after changing a Microsoft 365 custom domain.

How to Fix SharePoint 404 Errors and Missing OneDrive Shortcuts

Product: SharePoint and OneDrive
Device & OS: not provided
Scenario: Accessing existing SharePoint sites and synced OneDrive shortcuts after modifying the Microsoft 365 tenant custom domain.
Observed behavior: The system displays a 404 error indicating the page or link is deleted, and associated OneDrive shortcuts appear missing or broken, even though the underlying files may still exist.

Before you start

Ensure you have Microsoft 365 administrator privileges, as resolving domain-related routing and 404 errors typically requires accessing the Microsoft 365 admin center for back-end investigations.

Solution 1Recommended

Verify File Availability in OneDrive Online

Check if your documents are still intact in OneDrive despite the SharePoint 404 site error.

When a SharePoint site home page or link is deleted or broken due to a domain change, it does not necessarily mean the associated files are wiped out. The documents can often still be found safely stored in your online OneDrive.

Log in to Microsoft 365

Open your web browser, navigate to the Microsoft 365 portal, and sign in with your credentials.

Open OneDrive Online

Click on the App Launcher (waffle icon) in the top-left corner and select 'OneDrive'.

Locate the Files

Navigate to 'My files' or use the search bar to look for the specific documents previously linked to the SharePoint site.

Verify File Availability in OneDrive Online

Files are safe: If you can locate and open the files here, your data is safe and the issue is limited to the SharePoint site link routing.

Solution 2

Open a Microsoft 365 Support Request

Contact Microsoft Support for a remote session to investigate back-end tenant logs and domain configurations.

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Frequently Asked Questions

Does a SharePoint 404 error mean my OneDrive files are permanently deleted?

Not necessarily. If a SharePoint home page or link breaks due to a domain change, the underlying documents usually remain safe and accessible via OneDrive Online.

Why did my SharePoint links break after changing the custom domain?

Changing a Microsoft 365 custom domain alters the URL structure of your tenant. Existing shortcuts and bookmarks pointing to the old domain URL will return a 404 error until the back-end routing updates or new links are generated.

Who can fix persistent SharePoint domain 404 errors?

Since this involves tenant-level routing and back-end configurations, a Microsoft 365 Administrator must contact Microsoft Support to investigate the server logs and perform remote diagnostics.

Document & File Issues