Tools like RDP Wrapper Library attempt to dynamically configure RDP limits without permanently patching the DLL. They often fail after Windows updates.
Patching termsrv.dll on Windows Server 2016 enables multiple concurrent Remote Desktop sessions, commonly achieved through manual hex editing, RDP Wrapper, or automated PowerShell scripts. These methods require taking ownership of the system file, pausing the Remote Desktop Service, and reapplying patches after Windows updates. For detailed patching techniques, visit GitHub TermsrvPatcher . termsrv.dll patch windows server 2016