Remote Desktop Connection Error Code 0x904 Extended Error Code 0x7 [new] May 2026

Click , browse to C:\Windows\System32\mstsc.exe , and add it to the list. 4. Adjust Security Layers (NLA Issues)

Windows Defender or third-party antivirus software (like Bitdefender) blocking mstsc.exe or RDP traffic. Click , browse to C:\Windows\System32\mstsc

Ensure both and Remote Desktop (WebSocket) are checked for Private and Public networks. browse to C:\Windows\System32\mstsc.exe