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Home / macos-help / Fix Windows Activation Error 0x80070005 504 - Resolve Windows Search Connection Refused via Registry-How to Fix OneDrive Sync Error: File Name Too Long

Fix Windows Activation Error 0x80070005 504 - Resolve Windows Search Connection Refused via Registry-How to Fix OneDrive Sync Error: File Name Too Long

Updated 2026-06-14 14:36:34macos-help
Fix Windows Activation Error 0x80070005 504 - Resolve Windows Search Connection Refused via Registry-How to Fix OneDrive Sync Error: File Name Too Long
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.

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