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ESXi NFS4.1 VMDK inaccessible after takeover

Last Updated:

Applies to

  • ESXi 6.7u4+
  • ESXi 7.0u2+
  • NFS 4.1 Datastores
  • ONTAP 9


  • ONTAP responds to certain operations with NFS4ERR_ADMIN_REVOKED from which the ESXi NFS client is not able to recover
  • On vSphere client GUI:
The lock protecting /vmfs/volumes/xxxxxxxx-xxxxxxxx-0000-000000000000/vm/vm.vmdk has been lost, possibly due to underlying storage issues...
  • In vmkernel logs warnings similar to:
WARNING: NFS41: NFS41FileOpCloseFile:3718: NFS41FileCloseFile failed: Lost previously held disk lock

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