Microsoft updates Azure Virtual Machine lifecycle framework

Microsoft has introduced an enhanced four-stage lifecycle for Azure Virtual Machine (VM) instances to manage infrastructure transitions. The new framework categorizes VM series into four distinct phases: Current, Extended, End of Life, and Retired.

In the Current phase, VMs are the newest offerings, recommended for new deployments, and feature broad regional availability. Extended VMs remain fully supported for existing workloads, though they may be subject to quota restrictions and potential changes to pricing or purchasing options. Once an instance reaches the End of Life stage, it is only available to existing customers, and Microsoft encourages users to actively migrate workloads to Current or Extended versions. Finally, Retired instances are deallocated, stripped of IP addresses, and cannot be provisioned, though data may be preserved.

While Microsoft stated the policy aims to make transitions predictable and transparent, the company has declined to provide a specific chronological timeline or a set schedule for when instance types transition between these phases. A spokesperson noted that the company regularly evolves its infrastructure to provide access to newer technologies and that customers will receive direct notifications regarding specific retirements to assist with planning.