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    • This version of GitHub Enterprise was discontinued on 2021-09-23. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.

    Article version

    In this article

    Canceling a workflow

    You can cancel a workflow run that is in progress. When you cancel a workflow run, GitHub cancels all jobs and steps that are a part of that workflow.

    Note: GitHub Actions was available for GitHub Enterprise Server 2.22 as a limited beta. The beta has ended. GitHub Actions is now generally available in GitHub Enterprise Server 3.0 or later. For more information, see the GitHub Enterprise Server 3.0 release notes.


    Note: GitHub-hosted runners are not currently supported on GitHub Enterprise Server. You can see more information about planned future support on the GitHub public roadmap.

    Write access to the repository is required to perform these steps.

    Canceling a workflow run

    1. On your GitHub Enterprise Server instance, navigate to the main page of the repository.

    2. Under your repository name, click Actions. Actions tab in the main repository navigation

    3. In the left sidebar, click the workflow you want to see. Workflow list in left sidebar

    4. From the list of workflow runs, click the name of the queued or in progress run that you want to cancel. Name of workflow run

    5. In the upper-right corner of the workflow, click Cancel workflow.

      Cancel check suite button

    Steps GitHub takes to cancel a workflow run

    When canceling workflow run, you may be running other software that uses resources that are related to the workflow run. To help you free up resources related to the workflow run, it may help to understand the steps GitHub performs to cancel a workflow run.

    1. To cancel the workflow run, the server re-evaluates if conditions for all currently running jobs. If the condition evaluates to true, the job will not get canceled. For example, the condition if: always() would evaluate to true and the job continues to run. When there is no condition, that is the equivalent of the condition if: success(), which only runs if the previous step finished successfully.
    2. For jobs that need to be canceled, the server sends a cancellation message to all the runner machines with jobs that need to be canceled.
    3. For jobs that continue to run, the server re-evaluates if conditions for the unfinished steps. If the condition evaluates to true, the step continues to run.
    4. For steps that need to be canceled, the runner machine sends SIGINT/Ctrl-C to the step's entry process (node for javascript action, docker for container action, and bash/cmd/pwd when using run in a step). If the process doesn't exit within 7500 ms, the runner will send SIGTERM/Ctrl-Break to the process, then wait for 2500 ms for the process to exit. If the process is still running, the runner kills the process tree.
    5. After the 5 minutes cancellation timeout period, the server will force terminate all jobs and steps that don't finish running or fail to complete the cancellation process.