Fix Microsoft Teams Camera Not Working in Meeting - Fix Outlook Connection Refused Error 0x80040115-Microsoft Teams Configuration Checklist for Administrators

Updated 2026-06-15 22:26:52browser-issues
Fix Microsoft Teams Camera Not Working in Meeting - Fix Outlook Connection Refused Error 0x80040115-Microsoft Teams Configuration Checklist for Administrators
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.