Fix Windows Security Access Denied via Group Policy - How to Stop the Outlook Login Loop in Office 365-Troubleshooting OneDrive Error Code 0x8007016a

Updated 2026-06-19 07:07:11backup-recovery
Fix Windows Security Access Denied via Group Policy - How to Stop the Outlook Login Loop in Office 365-Troubleshooting OneDrive Error Code 0x8007016a
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.