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Fix CMD Service Unavailable Due to Group Policy - How to Resolve Port Already Allocated in Exchange-Troubleshoot Windows Defender and Antivirus SSL Issues

Updated 2026-06-15 22:55:37office-tools
Fix CMD Service Unavailable Due to Group Policy - How to Resolve Port Already Allocated in Exchange-Troubleshoot Windows Defender and Antivirus SSL Issues
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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