Jeff Miles • 12/23/2021

AKS Windows Node problem after 1.22 upgrade

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A detailed technical account of troubleshooting an Azure Kubernetes Service (AKS) cluster after upgrading from version 1.21.4 to 1.22.4. The article documents two specific problems: a Linux node pool scaling inconsistency and a critical Windows node pool issue where nodes were not visible to kubectl. It details the diagnostic process, including accessing Windows nodes via RDP, examining kubelet logs, and identifying a configuration error related to the deprecated DynamicKubeletConfig feature gate.

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#upgrade #windows #Troubleshooting
AKS Windows Node problem after 1.22 upgrade

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