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Can we continue using Kubernetes v1.21.x on existing deployments after 31 August 2022?

Neil Oschlag-Michael 26 Reputation points
2022-07-01T11:49:21.407+00:00

The background is that AKS is retiring Kubernetes v1.21.x on 31 July 2022.

Our understanding is that Azure is only retiring support and SLAs for v1.21.x, and we can continue to use v1.21.x on existing deployments after 31 August 2022 (one month after retirement) and the only impact is that we will no longer be able to create new clusters or node pools?

Can you please confirm that we can continue using Kubernetes v1.21.x on existing deployments after 31 August 2022 with no other impact?

Azure Kubernetes Service (AKS)
Azure Kubernetes Service (AKS)
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
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  1. Andriy Bilous 11,421 Reputation points MVP
    2022-07-01T13:58:22.957+00:00

    Hello @Neil Oschlag-Michael

    May you please check if below answers in Q & A forum help you to resolve question.
    https://learn.microsoft.com/en-us/answers/questions/461248/aks-version-118x-will-be-retired.html
    https://learn.microsoft.com/en-us/answers/questions/678406/aks-staying-on-unsuported-version.html

    refer - AKS support policies
    https://learn.microsoft.com/en-us/azure/aks/support-policies

    Please "Accept as Answer" if it helped, so that it can help others in the community looking for help on similar topics.

    2 people found this answer helpful.

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