Patching termsrv.dll violates Microsoft’s End-User License Agreement (EULA) for client Windows versions. It is intended for legitimate testing, legacy software support, or homelab environments, not for production servers or commercial use.
Look for fDenyTSConnections (should be 0 ) and AllowMultipleSessions – though the latter is not always present. A better test is simply logging in from two separate remote clients. universal termsrv patch windows 7 64 bit
Then, test by initiating two remote connections from different client machines. Patching termsrv
Running the patch felt like a heist. You’d right-click, "Run as Administrator," and watch a command prompt flicker. It would dive into the legacy software support
geissbuehler/TermsrvPatcher: Patcher for termsrv.dll ... - GitHub
After applying the patch: