Under > Edit Properties > Security , try switching the Security Layer from "SSL (TLS 1.0)" to "RDP Security Layer".
Check that the service starts automatically. rdp error code 0x3 extended error code 0x7
Corrupted display drivers on the remote side can prevent the session from establishing. Open on the remote machine. Go to View > Show hidden devices . Under > Edit Properties > Security , try
Your RDP client has a valid, but now corrupted, licensing binary blob (stored in the registry) that it is trying to present to the RDP server (Windows Server or Windows Pro/Enterprise). The server looks at it, says "This doesn't match my expected format or is corrupt," and terminates the connection with 0x7 . Under > Edit Properties > Security
Examples of real-world scenarios