Fix Outlook Sync Issues with Exchange Server: Step-by-Step - How to Resolve OneDrive 502 Bad Gateway Sync Error-Microsoft Store Not Working: Troubleshooting Checklist

Updated 2026-06-14 03:29:59browser-issues
Fix Outlook Sync Issues with Exchange Server: Step-by-Step - How to Resolve OneDrive 502 Bad Gateway Sync Error-Microsoft Store Not Working: Troubleshooting Checklist
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.