Navigate to: > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections .
icacls C:\Windows\System32\termsrv.dll /grant Administrators:F Use code with caution. Step 3: Create a Backup
By default, even administrators only have "Read" and "Execute" permissions for this file. Navigate to the system directory: cd C:\Windows\System32 Use code with caution. Change the file owner to the local Administrators group: takeown /f termsrv.dll /a Use code with caution. Grant full control permissions to the Administrators group: icacls termsrv.dll /grant Administrators:F Use code with caution. Step 3: Backup the Original File Keep a pristine copy of the DLL in a safe location. copy termsrv.dll termsrv.dll.bak Use code with caution. Step 4: Modify the Hexadecimal Bytes
Every time Windows installs a cumulative quality update, it may replace termsrv.dll with an updated version. You will need to re-apply the patch or find the updated hex pattern matching the new build version after significant updates. The Official Alternative: Installing the RDS Role termsrv.dll patch windows server 2022
Here is an overview of how this patch works and the methodology behind it.
Open an elevated Command Prompt (cmd as Administrator).
Complete Guide to Patching termsrv.dll for Multiple RDP Sessions on Windows Server 2022 Navigate to: > Administrative Templates > Windows Components
The TermService is still running, or the icacls command did not successfully grant full write permissions to your current user group.
For Server 2016/2019, the patch looked like:
Once the file is saved, restart the service to apply the patch. Open PowerShell as an Administrator. Execute the following command: powershell Start-Service -Name TermService Use code with caution. Step 5: Configure Group Policy for Multiple Sessions Navigate to the system directory: cd C:\Windows\System32 Use
Windows Server 2022 is Microsoft’s most advanced server operating system to date, offering robust security, hybrid integration, and improved performance. However, like its predecessors, it comes with a hard-coded limitation: the Remote Desktop Services (RDS) role allows only (plus the local console). For many IT professionals, lab administrators, and small businesses, this restriction is a major bottleneck.
You must log in as a local administrator. Backup: Create a copy of the original termsrv.dll file.
C:\Windows\System32\termsrv.dll
Configure the and Remote Desktop Licensing roles.
Have you successfully patched termsrv.dll on Windows Server 2022? Share your experiences in the comments below, but remember: discussion of license circumvention is for educational purposes only.