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AKSOperationPreempted or AKSOperationPreemptedByDelete error when performing a new operation

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This article discusses how to identify and resolve the AKSOperationPreempted or AKSOperationPreemptedByDelete error that might occur when you try to perform a new operation but it has been preempted by another operation on a Microsoft Azure Kubernetes Service (AKS) cluster.

Symptoms

When you try to perform a new operation on an AKS cluster, you receive one of the following error messages:

  • Code: "AKSOperationPreempted"

    Message: "This operation has been preempted by another operation with ID <operation ID>"

    This message indicates that the operation has been preempted by another operation, and the GUID for the new operation is given in the error message.

  • Code: "AKSOperationPreemptedByDelete"

    Message: "This operation has been preempted by Deleting operation."

    This message indicates that the operation has been preempted by a delete operation.

Cause

This error usually occurs when an in-progress operation is interrupted by a subsequent operation that was issued before the in-progress operation is finished. The error will indicate the subsequent operation, which can be a delete or any other operation.

Solution

To resolve this issue, use one of the following methods. Once there are no operations running, you can try to run your operation again.

  • Wait for the previous operation to complete.

    You can check the status of the operation using the ID given in the error message with the follwing command:

    az aks operation show \
    --resource-group myResourceGroup \
    --name myCluster \
    --operation-id "<operation-id>"

  • Run an abort command to stop the previous operation.

    For more information about how to abort an operation, see Terminate a long running operation on an Azure Kubernetes Service (AKS) cluster.

More information

General troubleshooting of AKS cluster creation issues

Contact us for help

If you have questions or need help, create a support request, or ask Azure community support. You can also submit product feedback to Azure feedback community.