VMWare host with disconnected VM’s

The Problem:

Today we had a host (ESX 3.5 U3) that is in a DRS/HA cluster, The host was not disconnected and you could ssh to it and connect the VIC to it locally with out problem. But all the VM’s running on that host became disconnected, but they where still running. Second problem was that the to put the host in to maintenance mode gave a error of failed do to bad username or password, we would also get this error when trying to power up some VM’s in the cluster or when some VM’s would try and migrate via VMotion.

 

The Fix:

  1. Disconnect the Host from virtual center
  2. remove the host from virtual center
  3. rejoin the host back to virtual center
  4. reconfigure vmware HA.
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