Windows Server 2012 R2 Core Standard / Datacenter.Microsoft Windows Server 2012 R2 Foundation / Essentials / Standard / Datacenter.Windows Server 2012 Core Standard / Datacenter.Microsoft Windows Server 2012 Foundation / Essentials / Standard / Datacenter / MultiPoint Server.Microsoft Windows MultiPoint Server 2011.Microsoft Microsoft Small Business Server 2011 Essentials / Standard.Microsoft Windows Hyper-V Server 2008 R2 SP1 or later.Microsoft Windows Server 2008 R2 Core Standard / Enterprise / Datacenter SP1 or later.Microsoft Windows Server 2008 R2 Foundation / Standard / Enterprise / Datacenter SP1 or later.Microsoft Small Business Server 2008 Standard / Premium.You can install Kaspersky Security 10.1.2 for Windows Server on a server running under one of the following 64-bit Microsoft Windows operating systems: Microsoft Windows Server 2008 Core Standard / Enterprise / Datacenter SP1 or later.Microsoft Windows Server 2008 Standard / Enterprise / Datacenter SP1 or later.Microsoft Windows Server 2003 R2 Standard / Enterprise / Datacenter SP2 or later.Microsoft Windows Server 2003 Standard / Enterprise / Datacenter SP2 or later.You can install Kaspersky Security 10.1.2 for Windows Server on a server running under one of the following 32-bit Microsoft Windows operating systems: