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The most common cause for error 0x904 is an expired self-signed certificate that the Remote Desktop Service uses for encryption.
Select and enter: Rename-Item -path "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys" -NewName "MachineKeys_old" .
If you are facing this issue on Windows 10, Windows 11, or Windows Server, follow these proven solutions to restore your connection. 1. Fix Expired or Corrupt RDP Certificates
Many users find that the Microsoft Remote Desktop app from the Microsoft Store is unaffected by the bugs hitting the legacy mstsc.exe client. 5. Adjust Security Layers (GPO)
The most common cause for error 0x904 is an expired self-signed certificate that the Remote Desktop Service uses for encryption.
Select and enter: Rename-Item -path "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys" -NewName "MachineKeys_old" .
If you are facing this issue on Windows 10, Windows 11, or Windows Server, follow these proven solutions to restore your connection. 1. Fix Expired or Corrupt RDP Certificates
Many users find that the Microsoft Remote Desktop app from the Microsoft Store is unaffected by the bugs hitting the legacy mstsc.exe client. 5. Adjust Security Layers (GPO)
