: Allows multiple users to log into a single machine simultaneously without forcing existing users off the system.
copy C:\Windows\System32\termsrv.dll C:\Windows\System32\termsrv.dll.backup takeown /f C:\Windows\System32\termsrv.dll icacls C:\Windows\System32\termsrv.dll /grant administrators:F
If your original query meant something else (e.g., a specific update "KB" patch, a "top" performance setting, or a tool named "Universal Termsrvdll Patch Top"), please clarify and I will refine the response accordingly.