Windows Server | 2025 Avma

The host operating system must be fully activated using a valid retail, OEM, or volume license key.

To activate a VM via AVMA, you must enter the specific generic key corresponding to the guest operating system edition. Guest Operating System Datacenter YQB4H-NKHHJ-Q6K4R-4VMY6-VCH67 Windows Server 2025 Datacenter Azure Edition 6NMQ9-T38WF-6MFGM-QYGYM-88J4F Windows Server 2025 WWVGQ-PNHV9-B89P4-8GGM9-9HPQ4 Automatic Virtual Machine Activation in Windows Server windows server 2025 avma

AVMA functions as a proof-of-purchase mechanism. When a guest VM starts, it communicates with the Hyper-V host. If the host is properly licensed and activated, the guest VM activates automatically using a generic AVMA key provided by Microsoft. This process requires the integration service to be enabled on the guest VM. The host operating system must be fully activated

To implement AVMA with Windows Server 2025, specific technical and licensing criteria must be met: When a guest VM starts, it communicates with

Your Hyper-V host should already be activated with a retail/volume key. AVMA does replace host activation. However, to enable AVMA for guests, install the host’s own AVMA key (optional but good practice):

slmgr /ipk <AVMA-Guest-Key>