Using the vSphere Client, you can assign an existing or new license key to an ESXi host.

If the vSphere Client is connected directly to the host, on the host Configuration tab, click Licensed Features > Edit to change the license key.


Verify that you have the Global.Licenses privilege.


  1. In the vSphere Client, select the host in the inventory and click the Configuration tab.
  2. In the Software section, click Licensed Features and click Edit.
  3. Assign a license key.
    • Select Assign an existing license key to this host and select a license key from the Product list.
    • Select Assign a new license key to this host, click Enter Key, and specify a license key in the form XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.
  4. Click OK.