
Fix OneDrive Sync ‘Service Unavailable’ and ‘Permission Denied’ Errors
When OneDrive reports “Service Unavailable” or “Permission Denied” during sync, the problem is us...
Software troubleshooting desk

When OneDrive reports “Service Unavailable” or “Permission Denied” during sync, the problem is us...

If you notice that Task Scheduler (taskhostw.exe or TaskScheduler.dll) is using an unexpectedly h...

If you see an "Access Denied" error code when trying to open Microsoft Teams or join a meeting, i...

You open OneDrive and see an error like “Connection timed out” with code 0x8004de40. This usually...

After a Microsoft Teams update, you might see errors like “Can’t connect to network” or “Network ...

If you're stuck on a sign-in screen or see an error like “Something went wrong” when trying to lo...