How to Fix Edge Sync Stuck on Preparing Sync - Chrome Multi-Profile Sync Not Working: Fixes-Troubleshooting Nginx Upstream Connection Issues

Updated 2026-07-28 07:47:34developer-tools
How to Fix Edge Sync Stuck on Preparing Sync - Chrome Multi-Profile Sync Not Working: Fixes-Troubleshooting Nginx Upstream Connection Issues
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.