VMware vSphere ESXi 8.x
Issue is caused due to connectivity issue between the ESXi hosts and the Storage array.
From /var/run/log/vobd.log from ESXi host, there are heartbeat timeout events during the same timestamp when the Event 129/153 reported from the Windows OS.
2026-05-21T01:47:01.712Z In(14) vobd[2097861]: [vmfsCorrelator] 6235306432678us: [vob.vmfs.heartbeat.timedout] ########-########-####-############ <Datastore_name>2026-05-21T01:47:01.712Z In(14) vobd[2097861]: [vmfsCorrelator] 6235975761142us: [esx.problem.vmfs.heartbeat.timedout] ########-########-####-############ <Datastore_name>2026-05-21T01:47:01.712Z In(14) vobd[2097861]: The event ([esx.problem.vmfs.heartbeat.timedout] ########-########-####-############ (<Datastore_name>) was sent immediately to hostd;2026-05-21T01:47:15.735Z In(14) vobd[2097861]: [vmfsCorrelator] 6235320454735us: [vob.vmfs.heartbeat.recovered] Reclaimed heartbeat for volume ########-########-####-############ (<Datastore_name>): [Timeout] [HB state abcdef02 offset 4165632 gen 5 stampUS 6235320454233 uuid ########-########-####-############ jrnl <FB 5> drv 24.82]
From /var/run/log/vmkernel logs from the ESXi host, there are frequent nfnic aborts on the hosts.
2026-05-21T01:46:37.633Z Wa(180) vmkwarning: cpu15:3855454)WARNING: nfnic: <2>: fnic_abort_cmd: 3866: Abort for cmd tag: 0x35b in pending state2026-05-21T01:46:37.633Z In(182) vmkernel: cpu43:3852465)nfnic: <2>: INFO: fnic_taskMgmt: 2236: TaskMgmt abort sc->cdb: 0xf1 sllid: 0xffffffffffffffff2026-05-21T01:46:37.633Z In(182) vmkernel: cpu43:3852465)nfnic: <2>: INFO: fnic_abort_cmd: 3851: Abort cmd called for Tag: 0x35b issued time: 8001 ms CMD_STATE: FNIC_IOREQ_ABTS_PENDING CDB Opcode: 0xf1 sc:0x45b9a5864e80 flags: 0x43 lun: 4 target: 0x9121002026-05-21T01:46:37.633Z Wa(180) vmkwarning: cpu43:3852465)WARNING: nfnic: <2>: fnic_abort_cmd: 3862: Abort for cmd tag: 0x35b already issued2026-05-21T01:46:37.633Z Wa(180) vmkwarning: cpu43:3852465)WARNING: ScsiPath: 9326: Failed TaskMgmt abort for cmdId.initiator=0x430881fbb600 CmdSN 0xbfd22, status Status pending, path vmhba2:C0:T12:L4