Termsrv.dll Patch Windows Server 2016 Jun 2026

After applying the patch and restarting the "Remote Desktop Services," you can verify the status by: Attempting a third concurrent login.

By default, the NT SERVICE\TrustedInstaller account owns critical system files. You must transfer ownership to the local Administrators group to modify it. Open File Explorer and navigate to C:\Windows\System32 . Locate termsrv.dll , right-click it, and select . Go to the Security tab and click Advanced . Next to the Owner field, click Change . termsrv.dll patch windows server 2016