M
0x8007017c
Easy Fix
Microsoft · Windows
The cloud sync operation was not completed before the timeout period. A cloud file operation (typically OneDrive) failed to finish within the allotted time.
Quick Answer
Error code 0x8007017C on your Microsoft Windows means: The cloud sync operation was not completed before the timeout period. A cloud file operation (typically OneDrive) failed to finish within the allotted time.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
21H222H223H2Server 2019Server 2022
Likely Causes
  1. Slow or unstable internet connection causing OneDrive sync timeouts
  2. OneDrive sync client overwhelmed by large number of pending changes
  3. Network firewall or proxy blocking OneDrive sync traffic
  4. OneDrive client encountering file conflicts that stall synchronization
How to Fix It
1
Check your internet connection: Run a speed test to verify bandwidth. OneDrive requires a stable connection for syncing.
2
Pause and resume OneDrive sync: Right-click the OneDrive tray icon, select 'Pause syncing' for 2 hours, wait 30 seconds, then click 'Resume syncing'.
3
Reset OneDrive: Press Windows + R, type: %localappdata%\Microsoft\OneDrive\onedrive.exe /reset and press Enter.
4
Check for sync conflicts: Right-click the OneDrive tray icon, click 'View sync problems' and resolve any file conflicts shown.
5
Reduce the number of files syncing: Right-click OneDrive tray icon > Settings > Account > Choose folders, and deselect folders you do not need synced locally.
6
If on a corporate network, verify that OneDrive URLs are not being blocked by your firewall: *.sharepoint.com, *.onedrive.com, login.microsoftonline.com.
7
Adjust OneDrive bandwidth settings: OneDrive Settings > Network — remove any upload/download speed limits.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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