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Home / backup-recovery / Fix Error 0x80070426 in Microsoft Teams Microphone - How to Set Up Guest Access in Microsoft Teams-How to Remove a Host Key from SSH Known Hosts

Fix Error 0x80070426 in Microsoft Teams Microphone - How to Set Up Guest Access in Microsoft Teams-How to Remove a Host Key from SSH Known Hosts

Updated 2026-06-14 20:55:30backup-recovery
Fix Error 0x80070426 in Microsoft Teams Microphone - How to Set Up Guest Access in Microsoft Teams-How to Remove a Host Key from SSH Known Hosts
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.

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