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    Error "Status code = 503: Service Unavailable" Publishing Workflow in Office 365

    Summary
    While trying to publish a workflow within Office 365, the publish fails with the error "Error publishing workflow. Microsoft.Workflow.Client.WorkflowManagementExcept. A response was returned that did not come from the Workflow Manager. Status code = 503: Service Unavailable"

    Solution
    Contact Microsoft SharePoint Online support to troubleshoot and resolve issues or failures with the underlying Workflow Manager system in SharePoint Online.