Today I want to install Windows 8 in my test lab, after creating a new virtual machine and power-on the VM I received warning error message:

Failed to find a host for powering on the virtual machine. The following faults explain why the registered host is not compatible

The operation is not allowed in the current connection state of the host.

Weird, both ESXi 5.0 hosts are powered on, my vCenter VM is running on the same machine which I want to power on the new virtual machine.. also strange is.. there’s no CPU (0 MHz) and no Memory usage (0,00 MB) activity at this host, check the screenshot below

Double check..:

Jup.. there are two running servers at esx01.vmpros.lan

Solution:

After disconnecting the ESXi host from vCenter and reconnect the host I was able to power on virtual machines, also my CPU/Memory activity is back

sanderdaems

Sander Daems is founder and author of this blog and working as a Sr. Infrastructure Consultant by IT-Value. Sander has over 10 years experience in IT, primary focus: virtualization, storage and SBC

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