Workflow gets canceled automatically with (500) Internal Server Error.

Workflow is getting cancel with the HTTP 500 error. 


RequestorId: 9dea9a29-bb82-214a-0000-000000000000. Details: RequestorId: 9dea9a29-bb82-214a-0000-000000000000. Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.ApplicationException: HTTP 500 {"Transfer-Encoding":["chunked"],"X-SharePointHealthScore":["0"],"SPClientServiceRequestDuration":["30"],"SPRequestGuid":["9dea9a29-bb82-214a-92f0-943af4411ac2"],"request-id":["9dea9a29-bb82-214a-92f0-943af4411ac2"],"X-FRAME-OPTIONS":["SAMEORIGIN"],"MicrosoftSharePointTeamServices":[""],"X-Content-Type-Options":["nosniff"],"X-MS-InvokeApp":["1; RequireReadOnly"],"Cache-Control":["max-age=0, private"],"Date":["Fri, 31 Jan 2014 20:19:03 GMT"],"Server":["Microsoft-IIS\/7.5"],"X-AspNet-Version":["4.0.30319"],"X-Powered-By":["ASP.NET"]} at Microsoft.Activities.Hosting.Runtime.Subroutine.SubroutineChild.Execute(CodeActivityContext context) at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor

Probable solution/findings to verify:

1. Generally occurs with send email functionality in workflow.
2. Check outgoing email settings for the farm are correct.
3. Disabled firewall on the Exchange/SMTP server.
4. Check App management service is running, UPA is set up and  completed sync such that the user running the workflow has a profile.


  1. I have created one designer-2013 workflow, it use to create multiple task in task list in one go, using loop.
    But when it run in some of case but some time it get cancelled and give below mentioned error.

    please help me as I am unable understand the root cause.

    shaibya dwivedi

  2. Hey there Shaibya, Were you able to fix this error? I am facing a similar issue.


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