copy C:\Windows\System32\termsrv.dll.bak C:\Windows\System32\termsrv.dll Use code with caution.
Would you prefer instructions for the or the RDP Wrapper installation ?
The Ultimate Guide to the Universal Termsrv.dll Patch for Windows 10
By design, client versions of Windows—from Windows 7 to Windows 11—enforce a strict single-user session limit. The operating system is hardcoded to disconnect the current user if a second remote connection attempts to log in, a policy enforced for licensing reasons.
If a second user attempts to log in via RDP while a local user is active, Windows displays a warning. Accepting the incoming connection immediately terminates the local session. What is the Universal termsrv.dll Patch? universal termsrv.dll patch windows 10
Uses the existing hardware to host lightweight virtual sessions. How to Apply the Patch (Step-by-Step)
icacls C:\Windows\System32\termsrv.dll /grant Administrators:F
Open the Services console ( services.msc ) and stop the daemon. Navigate to C:\Windows\System32\ and locate termsrv.dll .
If you’ve ever tried to have two different users log into your Windows 10 machine simultaneously via Remote Desktop, you know Microsoft blocks you with the error: "The requested session access is denied." copy C:\Windows\System32\termsrv
Universal termsrv.dll Patch (originally developed by Deepxw) is a third-party modification used to bypass the "Concurrent Remote Desktop" limit on non-server editions of Windows 10. By default, Windows 10 Pro and Home allow only one active RDP session; connecting a second user will force the first one to log off. This patch modifies the termsrv.dll system file to allow multiple simultaneous users. Core Functionality
The patch targets specific hex signatures inside the termsrv.dll file located in the C:\Windows\System32 directory.
Only Windows Server editions natively support multiple simultaneous RDP connections.
RDP Wrapper acts as a layer between the Service Control Manager and Remote Desktop Services. It loads the original, unmodified termsrv.dll into memory and applies the patches on the fly. The operating system is hardcoded to disconnect the
You must re-run the patch after major Windows updates, or use the RDP Wrapper Library, which is more resilient to system updates. "An Internal Error Has Occurred"
There are two primary ways to apply this modification: using an automated open-source tool or editing the file manually. Method 1: The RDP Wrapper Library (Recommended)
If you decide to proceed, always:
