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Host preparation upgrade fails with error "Agent is not deployed due to incompatible hosts" (2151053)

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After upgrading from vCNS to NSX and ESXi hosts from 5.5 to 6.0:

  • Attempting the host preparation upgrade fails, you see an error similar to:
    Agent is not deployed due to incompatible hosts.


VMware recommends performing the host preparation upgrade after the upgrade to NSX, before upgrading the hosts to new ESXi version.

To work around this issue: 

  1. Move hosts to maintenance mode.
  2. Remove the host out of the cluster.
  3. Reboot the host to remove the legacy vibs.
  4. Add the host to a new NSX prepared cluster.

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