Hi ShekharRana,
Thanks for your reply.
1. What do you mean by Host goes down?? is it not on the network??
I can no longer ping the host IP. And host becomes "not responding" status in vCenter.
2. Please share the NIC teaming policy on switch.
3. Check the network port settings on physical switch.
Physical switch has absolutely correct settings, as I have confirmed together with my network administrator.
4. are VMs on shared Storage??
All 3 are using 2 volumes from the SAN. They are mapped via iSCSI adapters. I'm not sure if this is shared storage or not.
5. What is the HA protection status on the VMs?
Cluster HA settings
VM summary (same for all VMs in this cluster