Microsoft Cluster Service (MSCS) support on ESXi/ESX
To determine which releases of ESXi/ESX support MSCS, consult the table below. The information is based on the release notes for each release as well as the published product documentation. For related information, see the VMware Compatibility Guide.
Notes:
- Windows 2008 is only supported from vSphere 4.0 due to the persistent SCSI-3 reservation support requirement.
- For a list of supported guest operating systems for vSphere 4.x/5.x, see Microsoft Clustering on VMware vSphere: Guidelines for Supported Configurations (1037959).
- The information in these documents is only as current as the document’s Last Modified Date. Check frequently for additions and updates to the release notes.
- For information regarding supported 64- and 32-bit Windows guests, refer to the documentation in the table above.
- Sharing RDMs between between two virtual machines without a clustering solution is not supported. For more information, see Microsoft Clustering on VMware vSphere: Guidelines for Supported Configurations (1037959).
- There are separate release notes for each release of ESX Server 3. Consult the VMware Infrastructure 3 documentation page specific to the version you are using:
- When a cluster solution is qualified, it receives a Designed for Microsoft Windows Server 2003/2008 logo and is listed in the Windows Server Catalog under Cluster Solutions.
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- Important Note :- Cluster VMs will not PowerON on same time . you will get error vmdk file is locked and unable to open etc . You must configure SCSI Bus sharing options as (Virtual) sharing disks between VMs on same Host (Physical) for sahring disks between VMs on diffrent hosts. very Important use another SCSI controller for the shared disk dont use same as fixed disk.