License an ESXi Host Without vCenter Server

If you are directly connected to the host through the vSphere Client, you can assign the host a license key.

Procedure

1. From the vSphere Client, click the Configuration tab.

2. Under Software, click Licensed Features.

3. Click Edit.

4. Assign a license key.

     a. Select Assign an existing license key to this hostand select a license key from the Product list as shown below

image

      b. Select Assign a new license key to this host, click Enter Key, and enter a license key and an optional label for the license key. For screens refer to section here

5. Click OK.