License Key Vmware Esxi 5.5 [LATEST]
To help find the right path forward for your environment, let me know:
Method A: Assigning a Key to a Standalone Host via vSphere Client Launch the desktop application.
VMware ESXi 5.5 utilizes a 25-character alphanumeric license key. This key unlocks specific compute resources, memory allocations, and management features. Unlike modern subscription models that validate compliance via cloud-connected endpoints, ESXi 5.5 operates on an honor-system perpetual enforcement model. The hypervisor decodes the features locally once you input the key into the host configuration interface.
VMware offers a free version of ESXi 5.5 known as vSphere Hypervisor. This edition uses a specific license key available through the VMware evaluation portal. Key constraints of the free license:
VMware ESXi 5.5 is a legacy bare-metal hypervisor that is now largely obsolete and no longer officially supported license key vmware esxi 5.5
For small businesses, home labs, and independent developers, VMware historically offered a completely free version of its hypervisor, known as the .
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
: 5.5 is often used for older hardware that cannot run newer versions like ESXi 7.0 or 8.0. However, it does not receive critical security patches.
In the pop-up dialog box, select the radio button for . To help find the right path forward for
Click . The UI will immediately update to reflect the newly licensed edition and its feature sets. Method B: Assigning a Key via vCenter Server (Web Client) Use this method if managing a cluster of commercial hosts. Log into the vSphere Web Client via your web browser.
Modern server hardware (Intel Xeon Scalable processors, AMD EPYC, and updated RAID controllers) will not boot or install ESXi 5.5 due to a lack of legacy driver support in the underlying VMkernel.
VMware ESXi 5.5 reached on September 19, 2018 , and End of Technical Guidance on September 19, 2020 . Because this version is legacy software, obtaining a legitimate license key from official Broadcom/VMware channels is no longer possible for new users. 1. Current Licensing Status
In conclusion, a valid license key is required to use VMware ESXi 5.5. VMware offers various types of license keys, including free, evaluation, and paid licenses. To obtain a license key, you can purchase one from VMware or its authorized resellers, request a free license key, or upgrade from a free license key. Activating a license key involves logging in to the VMware Host Client, navigating to the licensing section, entering the license key, and verifying its activation. By following best practices for managing license keys, you can ensure compliance and minimize downtime. This edition uses a specific license key available
Unlike ESXi 5.0, version 5.5 removed the hard physical memory limitation (previously 32 GB), allowing hosts to utilize maximum hardware RAM.
Modern operating systems like Windows Server 2022 or recent Linux distributions are not officially supported or optimized to run on a 5.5 hypervisor.
While ESXi 5.5 Free dropped the restrictive physical RAM limits found in earlier versions (like 5.0), it strictly enforces a maximum configuration of 2 physical CPUs (sockets) per host. Critical Risks and Modern Mitigation Strategies
: In some cases, if you have a valid perpetual license for a newer version (like vSphere 6.x), the licensing portal may allow you to "downgrade" that key to a 5.x version for legacy hardware compatibility.
: If you previously registered for ESXi 5.5, your key might still be visible in your historical "My VMware" or "Broadcom" download history under the "License & Download" tab. ⚙️ How to Apply a Key
Unlocks full virtualization capabilities, including vMotion, Distributed Switch, and vCenter management. 2. Typical ESXi 5.5 License Key Structure