Sometimes, a valid license key fails to apply due to syntax errors, version mismatches, or database corruption. In this context, “fixed” means troubleshooting and correcting the key assignment so ESXi accepts it.

Where I say “ESXi host” this refers to VMware ESXi hypervisor versions in active support windows (procedures and UI details may vary by exact version; adapt steps to your version and environment).

: Ensure your key version matches the ESXi major version (e.g., a vSphere 7 key will not work on ESXi 8.x).

vCenter‑host connectivity or partitioned management plane

VMware ESXi License Key Fixed: How to Resolve Activation Issues and Expiration Errors

What are you seeing when you try to apply the key? Share public link

To fix issues with your VMware ESXi license key or to apply a new one, you can follow these steps based on whether you are managing a standalone host or using vCenter Server. Applying a License Key to an ESXi Host

The free edition has no limit on RAM or storage capacity—only on CPU sockets and vSphere APIs.

Disclaimer: This information is accurate as of the latest updates in 2025/2026. Licensing terms are subject to change by Broadcom. Always refer to the official Broadcom Support Portal and EULA for the most current legal and technical guidelines.

License: Evaluation Mode Expires: 2025-03-15 Features: Limited to 8 vCPUs per VM

The legacy "vSphere Hypervisor" (the free version of ESXi that allowed basic, single-host virtualization with limited cores) has been officially discontinued. Deployments requiring fixes must transition to paid subscription models or supported alternatives.

Panicked, Rajesh tried to contact VMware support, but the phone lines were busy, and the online chat was not available. He spent hours navigating through the VMware website, trying to find a solution, but to no avail.