ver Example output: Version 10.0.19045.3693 (22H2). Tools like Universal Termsrv.dll Patcher v3.0 (by Deepxw) or RDPPatch can automatically modify termsrv.dll . Never download a raw termsrv.dll from a forum – it may contain malware. Step 3: Take ownership and modify permissions takeown /f C:\Windows\System32\termsrv.dll icacls C:\Windows\System32\termsrv.dll /grant administrators:F Stop the service:
If a second user attempts to connect remotely, the first user is disconnected, forced to a login screen, or denied access entirely. For home labs, small businesses, or power users sharing a single workstation, this limitation is frustrating—especially when server-grade Windows (Windows Server) allows multiple concurrent connections without issue. universal termsrv.dll patch windows 10
| Solution | Concurrent Sessions | Cost | Complexity | |----------|--------------------|------|------------| | Windows Server 2022 | 2 admin + unlimited with CALs | High | High | | Third-party RDP servers (e.g., ThinLinc, xrdp on WSL) | Unlimited | Free (some) | Medium | | Virtualization (Proxmox, VMware) – run multiple Windows 10 VMs | Unlimited per VM | Free hypervisor + Win licenses | Medium | | Remote Desktop Manager (TeamViewer, AnyDesk) – but not true concurrent login | No true multi-session | Subscription | Low | ver Example output: Version 10