Termsrvdll Windows Server 2019

because they want to bypass session limits. On non-server versions of Windows (like Windows 10/11), the DLL is hardcoded to allow only session at a time. Windows Server 2019 , the default limit is typically two concurrent sessions

Enabling multiple RDP sessions without proper Remote Desktop Services (RDS) Client Access Licenses (CALs) violates Microsoft’s Licensing Terms. termsrvdll windows server 2019

: By default, Windows Server allows only two concurrent administrative sessions without a specialized RDS role. because they want to bypass session limits

This re‑registers the DLL with the COM infrastructure used by Remote Desktop Services. termsrvdll windows server 2019