
Troubleshooting
Fix OneDrive 'Token Expired' Sync Error
You open OneDrive and see a message like 'Token expired' or 'Sign in required' and files stop syn...
Clear technical guides for everyday software errors, configuration problems, and productivity tools.

You open OneDrive and see a message like 'Token expired' or 'Sign in required' and files stop syn...

When you try to connect to a remote PC and see "Authentication failed", the prob...

You try to sync files, but OneDrive shows a 504 Gateway Timeout error. The sync stops, and you ca...

You're running a PowerShell command against Active Directory and get an authentication failure. T...

If you see error code 0x8004de40 when trying to sign in or sync files in OneDrive, it usually mea...

If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...
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