Fix OneDrive Sync Failures Caused by DNS Configuration - Fix Outlook Error 0x80040154: Step-by-Step Guide-Fix Windows Security Access Denied for Administrator Account

Updated 2026-06-18 12:37:56browser-issues
Fix OneDrive Sync Failures Caused by DNS Configuration - Fix Outlook Error 0x80040154: Step-by-Step Guide-Fix Windows Security Access Denied for Administrator Account
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.