I updated my Win 2016 Fileserver on ESXi 6.5. After doing so the Fileserver was no longer on the list of VMs.
When I went to register the VM I received an Error 34. The Log file shows:
2021-10-11T18:48:23.482Z info hostd[A180B70] [Originator@6876 sub=Libs opID=esxui-bee-f919 user=root] OBJLIB-FILEBE : FileBEOpen: can't open '/vmfs/volumes/5bfed2b0-914de944-f710-d094667cbdf8/fileserver/scadaserv-flat.vmdk' : Failed to lock the file (262146).
2021-10-11T18:48:23.482Z info hostd[A180B70] [Originator@6876 sub=DiskLib opID=esxui-bee-f919 user=root] DISKLIB-DSCPTR: DescriptorOpenInt: failed to open '/vmfs/volumes/5bfed2b0-914de944-f710-d094667cbdf8/fileserver/scadaserv-flat.vmdk': Failed to lock the file (40002)
2021-10-11T18:48:23.482Z info hostd[A180B70] [Originator@6876 sub=DiskLib opID=esxui-bee-f919 user=root] DISKLIB-LINK : "/vmfs/volumes/5bfed2b0-914de944-f710-d094667cbdf8/fileserver/scadaserv-flat.vmdk" : failed to open (Failed to lock the file).