If you encounter this issue while Installing Pivotal CF then here is a potential fix. A web search showed no public fix to this so this might help others and the fix is fairly simple. The exact error I received is below and this occurred while installing Pivotal Cloud Foundry v1.2.2. on ESX 5.5.

`block in wait_for_task’: The operation is not allowed in the current connection state of the host. (RuntimeError)