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Fix Windows Activation Cannot Connect to Server Error - Disable Windows Defender Real-Time Protection via Group Policy-Troubleshooting RDP Error 0x204

2026-06-13 19:44:42developer-tools
Fix Windows Activation Cannot Connect to Server Error - Disable Windows Defender Real-Time Protection via Group Policy-Troubleshooting RDP Error 0x204

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.