Patching is a common, though technically unsupported, method to bypass the default concurrent session limits in Windows Server 2016 and other Windows editions. While Windows Server 2016 naturally supports multiple administrative sessions, users often seek this patch to allow more than two simultaneous connections without the cost of Remote Desktop Services (RDS) licenses. What is termsrv.dll?
After applying the patch and restarting the "Remote Desktop Services," you can verify the status by: Attempting a third concurrent login. termsrv.dll patch windows server 2016
The patch does not remove licensing entirely—it alters the conditional logic inside the DLL. Specifically, it tricks the server into believing that: termsrv
Modifying termsrv.dll can cause "Blue Screen of Death" (BSOD) errors or prevent the RDP service from starting. After applying the patch and restarting the "Remote