6.5.1

Table Of Contents
Solution
n
Assign a license with larger capacity.
n
Upgrade the license edition to match the resources and features on the host, or disable the features
that do not match the license edition.
n
Assign a vSphere license whose edition is compatible with the license edition of vCenter Server.
ESXi Host Disconnects from vCenter Server
An ESXi host might disconnect from vCenter Server or all ESXi hosts might disconnect from
vCenter Server at the same time.
Problem
An ESXi host disconnects from vCenter Server when the host evaluation period or license expires. All
ESXi hosts disconnect from vCenter Server when the evaluation period or the license of vCenter Server
expire. You receive a licensing-related error message both when a single host disconnects and when all
hosts disconnect. You cannot add hosts to the vCenter Server inventory. The hosts and the virtual
machines on the hosts continue to run.
Cause
n
The 60-day evaluation period of the host has expired or the host license has expired.
n
The 60-day evaluation period of vCenter Server is expired or the vCenter Server license is expired.
Solution
n
Assign a vSphere license to the ESXi host and try to reconnect it to vCenter Server.
n
Assign a vCenter Server license to the vCenter Server system.
Unable to Power On a Virtual Machine
You try to power on a virtual machine, but the operation is unsuccessful and you receive an error
message.
Problem
You cannot power on a virtual machine on an ESXi host.
Cause
You might be unable to power on a virtual machine because of the following reasons.
n
The 60-day evaluation period of the host is expired.
n
The license of the host is expired.
vSphere Troubleshooting
VMware, Inc. 104