Fix Microsoft Teams Microphone Not Working in Meeting - Microsoft Teams Network Error Troubleshooting Checklist-Fix 0x8007042c Remote Desktop Connection Failure

Updated 2026-06-14 09:17:58cloud-software
Fix Microsoft Teams Microphone Not Working in Meeting - Microsoft Teams Network Error Troubleshooting Checklist-Fix 0x8007042c Remote Desktop Connection Failure
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.