This limitation is deliberate, rooted in Microsoft's licensing policies for the standard Remote Desktop Services (RDS) role. For scenarios where the full RDS licensing structure is either unnecessary or cost-prohibitive, the "Universal Termsrv.dll Patch" for Windows Server 2012 R2 has long been a topic of interest within the technical community as an unofficial workaround.
. While Windows Server 2012 R2 naturally supports multiple sessions through the Remote Desktop Services (RDS) role, it requires paid Client Access Licenses (CALs) . Patching termsrv.dll universal termsrv.dll patch windows server 2012 r2
If you prefer not to use third-party automation tools, you can patch the file manually using a hex editor. This is often safer as it prevents malware infection from untrusted patch executables. Step 1: Take Ownership of termsrv.dll This limitation is deliberate