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Fix OneDrive Sync Authentication Failed Error on Windows 11 - Remote Desktop Port 3389 Conflict Troubleshooting-OneDrive Sync Connection Refused on Windows 11 Fix

2026-06-13 23:00:39
Fix OneDrive Sync Authentication Failed Error on Windows 11 - Remote Desktop Port 3389 Conflict Troubleshooting-OneDrive Sync Connection Refused on Windows 11 Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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