Fix Remote Desktop 504 Error on Azure VM - Troubleshooting RD Gateway 504 Error-Nginx Permission Denied: Step-by-Step Troubleshooting

Updated 2026-06-14 01:47:50developer-tools
Fix Remote Desktop 504 Error on Azure VM - Troubleshooting RD Gateway 504 Error-Nginx Permission Denied: Step-by-Step Troubleshooting
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.