A "vsanmgmtd crash" vCenter Server event on a non-vSAN cluster environment.
vpxd[26480]: Event [20873942] [1-1] [YYYY-MM-DDThh:mm:ss.######Z] [vim.event.EventEx] [info] [] [####] [20873942] [An application (/usr/lib/vmware/vsan/bin/vsanmgmtd) running on ESXi host has crashed (1 time(s) so far). A core file might have been created at /var/core/vsanmgmtd-zdump.000.]
The same log appears on an affected vSAN disabled ESXi host.
YYYY-MM-DDThh:mm:ss.###Z In(166) Hostd[2099363]: [Originator@6876 sub=Vimsvc.ha-eventmgr] Event 37615 : An application (/usr/lib/vmware/vsan/bin/vsanmgmtd) running on ESXi host has crashed (1 time(s) so far). A core file might have been created at /var/core/vsanmgmtd-zdump.000.
VMware vSphere ESXi
If it occurs once and does not repeat, the event can be ignored and no additional action required.