We are having some issue which seems to have started fairly recently, that when we try to power on any VM in 1 of the 2 clusters we have, it takes an extremely long amount of time to start up. If we initiate the power on from vCenter, it would say "In Progress..." for about a minute or two before it actually powers on. Watching it on the actual ESXi host that the VM is residing on, it seems as if vCenter is not actually triggering the power-on command on the host server until that 1-2 minute delay is passed. Not really sure where to start troubleshooting this issue. I looked at some basic logs and VMware documentation, but couldn't find anything obvious or directly related.