You try to power on a virtual machine, but the operation is unsuccessful and you receive an error message.

You cannot power on a virtual machine on an ESXi host.

You might be unable to power on a virtual machine because of the following reasons.

The 60-day evaluation period of the host is expired.

The license of the host is expired.

The edition of the license key does not match the configured features and resources on the host.

The host on which the virtual machine runs is licensed with vSphere 5.x Essentials that is part of the Essentials kits. You cannot use more than 192GB of pooled vRAM for hosts that are licensed with vSphere 5.x Essentials. The memory that is configured for the virtual machine that you try to power on will lead to exceeding 192GB of consumed vRAM. For details about vRAM an vRAM pooling, see License Management and Reporting

from vCenter Server and Host Management.

Power on a Virtual Machine

Cause

Solution

The evaluation period of the host is expired.

Obtain a vSphere license key and assign the key to the ESXi host. Verify that the edition of the license key matches the configured features and resources on the host. If they do not match, you cannot assign the license key.

The license of the host is expired.

The edition of the license key does not match the configured features and resources on the host.

The memory that is configured for the virtual machine exceeds the amount of pooled vRAM for the host licenses.

To free a certain amount of vRAM, reconfigure the memory for the powered on virtual machines on the hosts that are connected to vCenter Server.

Power off virtual machines to free a certain amount of vRAM.

Reduce the amount of memory that is configured to the virtual machine that you try to power on.