How to Fix Microsoft Teams 502 Bad Gateway Connection Issue - Windows Defender Admin Guide: Problems and Solutions-Troubleshoot Microsoft Store Token Expiration

Updated 2026-06-14 10:35:20backup-recovery
How to Fix Microsoft Teams 502 Bad Gateway Connection Issue - Windows Defender Admin Guide: Problems and Solutions-Troubleshoot Microsoft Store Token Expiration
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.