How to Fix Edge Sync Not Working on Windows 11 - Troubleshoot Error 0x80070035 When Accessing Network Share-Fixing NGINX Upstream Connection Refused SSL Errors

Updated 2026-07-28 12:51:32cloud-software
How to Fix Edge Sync Not Working on Windows 11 - Troubleshoot Error 0x80070035 When Accessing Network Share-Fixing NGINX Upstream Connection Refused SSL Errors
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.