While the patch is a popular "quick fix" for home labs or testing environments, professional deployments typically rely on the official RDS role installation
The universal Termsrv.dll patch is a solution that can help fix a range of issues related to the Termsrv.dll file on Windows Server 2012 R2. This patch is designed to update the Termsrv.dll file to a compatible version, resolve version conflicts, and fix registry errors. universal termsrv.dll patch windows server 2012 r2
netstat -ano | findstr ":3389"