Fix PowerShell Authentication Failed Credentials Error - Mac OneDrive Selective Sync Troubleshooting-OneDrive Sync Error 0x8004deb4 Troubleshooting

Updated 2026-06-14 02:05:25office-tools
Fix PowerShell Authentication Failed Credentials Error - Mac OneDrive Selective Sync Troubleshooting-OneDrive Sync Error 0x8004deb4 Troubleshooting
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.