ERRCONNECT_TLS_FAILED (0x00000008)

When launching an RDP session in Remote Desktop Manager macOS you get the error message: ERRCONNECT_TLS_FAILED (0x00000008).

Solution

To correct this error, enable the TLS 1.2 under the remote server located here: HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols

KB4959

Give us Feedback