Unable to upgrade aks - hci to new version 1.27.1

Akash Sharma 20 Reputation points

I am unable to upgrade arc AKS from version 1.26.3 to v1.27.1
Getting error -

az aksarc upgrade --name "test-aks4" --resource-group "rcc_eap" --kubernetes-version "1.27.1"
Upgrading the AKSArc cluster. This operation might take a while...

2024-03-19 06:20:24.099483 Error: BadRequest

Detail: admission webhook "vhybridakscluster.kb.io" denied the request: Kubernetes version 1.27.1 is not ready for use on Linux

Azure Stack HCI
Azure Stack HCI
A hyperconverged infrastructure operating system delivered as an Azure service that provides security, performance, and feature updates.
262 questions
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.
1,845 questions
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2 answers

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  2. Prrudram-MSFT 21,876 Reputation points

    Hello @Akash Sharma
    Thank you for reaching out to the Microsoft Q&A platform.

    The error message you are seeing indicates that the Kubernetes version 1.27.1 is not yet ready for use on Linux. This means that the upgrade to version 1.27.1 is not currently supported for AKS Arc clusters running on Linux nodes.

    To resolve this issue, you can try upgrading to a different version of Kubernetes that is supported on Linux nodes. You can check the list of supported Kubernetes versions for AKS Arc clusters on the Microsoft documentation website.

    Alternatively, you can try upgrading your AKS Arc cluster to a newer version of AKS Arc that supports Kubernetes version 1.27.1 on Linux nodes. You can check the release notes for AKS Arc to see which versions support Kubernetes version 1.27.1 on Linux nodes.

    I hope this helps! Let me know if you have any further questions.

    If I have answered your query, please click "Accept as answer" as a token of appreciation

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