| Compatible operating systems | Windows Server 2022: Essentials, Standard, Datacenter Windows Server 2019: Essentials, Standard, Datacenter Windows Server 2016: Essentials, Standard, Datacenter Windows Server 2012 R2: Essentials, Standard, Datacenter Microsoft Hyper-V Server: 2012 R2, 2016 & 2019 VMware vSphere 6.0 U3, 6.5 U2 through U.3 & 6.7 U1 through U3, 7.0 Notes: 6.5 U3, 6.7 U3 & 7.0 minimums for Xeon “R”, Gold 6256, Gold 6250L & Gold 6250 processors. ClearOS: 7.6; ClearVM: 2.0 Red Hat Enterprise Linux (RHEL) 7.6 w/ Kbase, 8.0 SUSE Linux Enterprise Server (SLES) 12 SP3, 15 (includes Xen) |