## System Requirements RAS Enrollment Server Windows Server 2019 Windows Server 2016 Windows Server 2012 R2 Windows Server 2012 Windows Server 2008 R2 RD Session Hosts Windows Server 2019 Windows Server 2016 Windows Server 2012 R2 Windows Server 2012 Windows Server 2008 R2 Windows Server 2008 (x64 bit versions) Desktop operating systems (guest VMs and Remote PCs) Windows 10 Windows 8.1 Windows 8 Windows 7 Please note that 32-bit operating systems are not supported. Note: At the time of this writing, SAML SSO has limited support on VDI desktops and Remote PCs. Full support will be available in the upcoming Parallels RAS release.