Fix Windows Activation 504 Timeout When Connecting to KMS Server - How to Setup Windows Defender Exclusion for Network Drives-Fix OneDrive Sync by Refreshing Token

Updated 2026-06-14 18:34:26office-tools
Fix Windows Activation 504 Timeout When Connecting to KMS Server - How to Setup Windows Defender Exclusion for Network Drives-Fix OneDrive Sync by Refreshing Token
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.