Symptoms:
vmware.log 2017-04-18T13:05:39.208Z| vmx| I125: DiskLib_IsVMFSSparseSupported: vmfssparse is not supported on /vmfs/volumes/#8#3#4#7-########-####-e#b#d#9#6#5#/<VM name>: f532.2017-04-18T13:05:39.208Z| vmx| I125: DISKLIB-VMFS_SPARSE : Failed to open vmfssparse disk /vmfs/volumes/#8#3#4#7-########-####-e#b#d#9#6#5#/<VM name>/"<VM name>-000003-delta.vmdk": The specified feature is not supported by this version (24).2017-04-18T13:05:39.208Z| vmx| I125: DISKLIB-LINK : "/vmfs/volumes/#8#3#4#7-########-####-e#b#d#9#6#5#/<VM name>/<VM name>-000003.vmdk" : failed to open (The specified feature is not supported by this version).2017-04-18T13:05:39.208Z| vmx| I125: DISKLIB-CHAIN : "/vmfs/volumes/#8#3#4#7-########-####-e#b#d#9#6#5#/<VM name>/<VM name>-000003.vmdk" : failed to open (The specified feature is not supported by this version).2017-04-18T13:05:39.208Z| vmx| I125: DISKLIB-LIB : Failed to open '/vmfs/volumes/#8#3#4#7-########-####-e#b#d#9#6#5#/<VM name>/<VM name>-000003.vmdk' with flags 0xa The specified feature is not supported by this version (24).2017-04-18T13:05:39.208Z| vmx| I125: DISK: Cannot open disk '/vmfs/volumes/#8#3#4#7-########-####-e#b#d#9#6#5#/<VM name>/<VM name>-000003.vmdk': The specified feature is not supported by this version (24).
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.
VMware vSphere
This behavior can be observed when a VM, with snapshots taken on a VMFS-5 datastore, are moved or copied manually to a VMFS-6.
This issue occurs as the snapshot format on VMFS-5 is different than on VMFS6.
See topic vSphere VMFS Datastore Concepts and Operations
See vSphere documentation vSphere VMFS Datastore Concepts and Operations
Impact/Risks:
VM in question will experience downtime as it needs to be shut-down to remediate the issue.