To maintain system integrity, you should return ownership to TrustedInstaller .
Copy-Item C:\Windows\System32\termsrv.dll C:\Windows\System32\termsrv.dll.bak Use code with caution. Step 4: Edit the File Using a Hex Editor termsrv.dll patch windows server 2016
Windows protects system files with ci.dll (Code Integrity). To use a modified DLL, either: To maintain system integrity, you should return ownership
Patching termsrv.dll on Windows Server 2016 is typically done to enable multiple concurrent Remote Desktop (RDP) sessions without purchasing Remote Desktop Services (RDS) Client Access Licenses (CALs). To maintain system integrity
For production environments, it is strongly recommended to use proper RDS CALs to ensure compliance and supportability. If you'd like, I can:
If you choose to patch, consider these strategies: