Hi. Thank you for your question and reaching out. I’d be more than happy to help you with your query.
Following VM migration, if Windows Failover Clustering Services (WFCS) disks do not start up, one of the following conditions may not be satisfied:
- Make sure the VM is set up properly in the cluster setup.
- Ensure that the ports required for accessing the VM are open.
- Verify that the services needed to access the disks are running and that the VM is running.
- Verify that the user credentials you are using for authentication are legitimate and have the necessary access rights to the drives.
- Make that your firewall, if you're using one, is set up to permit access to the VM.
- Verify that the Cluster is utilizing the appropriate storage type, such as Direct-Attached Storage, iSCSI, or Fiber Channel.
- Make that the Cluster Shared Volumes (CSV) are correctly configured.
- Ensure that the storage system can be reached by the Cluster nodes.
- Make that the proper routing is configured if the disks are in a separate subnet.
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