Fix PowerShell Cannot Connect to Office 365 - Fix Windows Defender Error 0x80070643-How to Fix PowerShell Network Path Not Found

Updated 2026-06-15 00:04:36cloud-software
Fix PowerShell Cannot Connect to Office 365 - Fix Windows Defender Error 0x80070643-How to Fix PowerShell Network Path Not Found
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.