If you attempt to apply a license key and receive an error message, the root cause usually falls into one of the following categories: 1. Version Mismatch
Create the license object:
Here’s a useful, practical write-up on —what they are, how they differ from subscription licenses, and how to apply them. vmware esxi license key fixed
When the 60-day evaluation period ends, VMware provides a one-time 30-day extension key. This extension key extends the evaluation period to a total of 90 days, but it can only be used once per host. After that, you must either purchase a paid license, switch to the free ESXi license, or—for lab environments—perform a more drastic reset procedure.
Active virtual machines will continue to run without interruption. You any powered-off VMs. You cannot reset or restart currently running VMs. Management via vCenter Server may be disconnected. How to Fix an Expired Host If you attempt to apply a license key
: The host has operated for over 60 days without a commercial license key, causing virtual machines to remain running but preventing new power-ons.
The ESXi host is currently using features that are not included in the target license edition. For example, the host may have vSphere HA or DRS enabled, or be connected to a Distributed Virtual Switch (DVS), features that Standard edition licenses do not include. This extension key extends the evaluation period to
Designed for mid-to-large enterprises, offering advanced management and scalability.
It is important to note that the VMware landscape has changed dramatically. The traditional "Free ESXi" hypervisor license has been officially discontinued.
⚠️ Evaluation mode expires after 60 days. If expired, you cannot power on VMs until a valid license is applied.