ESXi 5.5 supports PSP_RR for MSCS.

  • Support for Windows Server 2008 SP2, Windows Server R2 SP1 and Windows 2012 server GOS only. Windows Server 2003 is not supported.

  • PSPs configured in mixed mode is supported. In a 2 node cluster one ESXi host can be configured to use PSP_FIXED and the other ESXi host can use PSP_RR.

  • Shared disk quorum or data must be provisioned to guest in PassThrough RDM mode only.

  • All hosts must be running ESXi 5.5.

  • Mixed mode configurations of ESXi 5.5 with previous ESXi releases are not supported.

  • Rolling upgrades of cluster Hosts from previous versions of ESXi to ESXi 5.5 builds are not supported.