: Ensure the license status updates to "Valid." You should now be able to power on your VMs. 2. Troubleshooting "Cannot Add License" Errors

: Click on Assign License and enter the 25-character alphanumeric key.

If your ESXi license has expired or is invalid, you must apply a new key to restore functionality. Note that if the license for ESXi expires, you may be unable to start , requiring you to access the host directly. Step-by-Step License Application

: Go to Manage > Licensing in the side navigator.

Common errors occur during key assignment, often due to version mismatches or capacity limits under new Broadcom rules.

Comprehensive Guide to Fixing VMware ESXi License Key Issues

: Log in directly to the ESXi web interface by navigating to https://[ESXi-IP-Address] in your browser.

Navigating the complexities of VMware ESXi licensing has become increasingly critical following Broadcom's shift away from perpetual licenses toward a subscription-only model. When faced with a "license key expired" error, your virtual machines (VMs) will fail to power on, effectively rendering your server unusable.