The script will then run automatically. It will perform the following key actions:
Because termsrv.dll is a core system component, it is protected by the TrustedInstaller service. You must elevate your permissions to modify it. Open as an Administrator. Stop the Remote Desktop service: net stop TermService /y Use code with caution. Take ownership of the target file: takeown /f C:\Windows\System32\termsrv.dll /a Use code with caution. Grant full administrative permissions over the file:
: This is unrelated to the patch—it means RDS Licensing mode is misconfigured. Set to "Per Device" or "Per User" as appropriate, or ignore in non-production.
A is used to bypass the default limit on simultaneous Remote Desktop Protocol (RDP) sessions without requiring a formal Remote Desktop Services (RDS) deployment. By default, Windows Server allows only two concurrent administrative sessions; patching the system library allows for multiple simultaneous connections, essentially turning a standard server into a multi-user terminal server. What is Termsrv.dll? Termsrv.dll Patch Windows Server 2022 -FREE-
The system checks the operating system edition and enforces two rules:
After major cumulative updates, re-run the batch script. Takes 30 seconds.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The script will then run automatically
While the patches above are effective at technically removing session limits, adopting them in any professional environment introduces major problems that far outweigh any short-term benefits.
This is NOT the license limit. It’s the configured in Group Policy (Computer Config → Admin Templates → Windows Components → Remote Desktop Services → Session Time Limits). Disable those policies.
I can then walk you through the safest way to configure your specific session needs. AI responses may include mistakes. Learn more Open as an Administrator
:
echo Taking ownership of termsrv.dll... takeown /f C:\Windows\System32\termsrv.dll icacls C:\Windows\System32\termsrv.dll /grant "%username%":F /q
Open termsrv.dll in your hex editor. The exact byte sequence to change depends heavily on your specific Windows Server 2022 build version (e.g., 21H2, Base Build 20348).