A license key is required to activate and use VMware ESXi 5.5. Without a valid license key, users will not be able to access the full features of ESXi 5.5, and their virtual machines will be limited in terms of functionality and scalability. A license key ensures that the user has the right to use the software and provides a way for VMware to track and manage its software usage.
Disclaimer: This article provides information based on legacy data and historical usage of VMware software. Always refer to official Broadcom documentation for current licensing policies. If you'd like, I can provide:
If you're having trouble with your license key, here are some troubleshooting tips:
For more information on VMware ESXi 5.5 licensing, visit: license key vmware esxi 5.5
Select the or Assets tab, then find your specific ESXi host under the Hosts sub-tab. Right-click the target ESXi host and select Assign License .
Navigate to the section from the home screen or left navigation pane. Under the Licensing dropdown, click on Licenses .
: VMware previously offered a free "vSphere Hypervisor" license that allowed for unlimited physical CPUs and RAM (a major upgrade from the 32GB limit in ESXi 5.0). This license is permanent and never expires once applied. Broadcom Transition A license key is required to activate and use VMware ESXi 5
with all features enabled. You must assign a license key before this window expires to prevent virtual machines from being unable to power on. Life after vSphere 5.5 End of General Support - Veeam
Introduction of Support for 4TB physical memory systems and up to 4,096 vCPUs per host cluster.
If you require advanced features, ensure your license is active on a Support and Subscription (SnS) contract: Right-click the target ESXi host and select Assign License
No vCenter support, limited CPU sockets, no advanced features like vMotion, High Availability (HA), or DRS.
Ultimate Guide to VMware ESXi 5.5 License Keys: Architecture, Installation, and Management
For users with an active vSphere subscription for a modern version (e.g., 7.0, 8.0), the legitimate path is using . This process involves using your current license key in VMware's License Management portal to generate a key for an earlier version. You must step back one major version at a time (e.g., version 8.0 key → key for version 7.0; 7.0 → 6.0; 6.0 → 5.5) until you reach the target version.
