This release of Dell OpenManage Server Administrator Storage Management 4.0 adds support for the following operating systems: VMware ESXi 5.0 P1, Citrix Xen Server 6.0, Red Hat Enterprise Linux 6.1, Red Hat Enterprise Linux 5.7, and VMware ESXi 4.1 U2. This release also deprecates support for the following operating systems: Citrix Xen Server 5.6 FP1, Windows Server 2003, Windows Server 2003 R2, and Windows Server 2003 x64. Additionally, this release adds support for the following platforms: Dell PowerEdge R720, Dell PowerEdge R620, Dell PowerEdge T620, and Dell PowerEdge M620.