Workflow error - The remote server returned an error: (401) Unauthorized.

Products

• Client Management Suite
• IT Management Suite

Issue/Introduction

Since you migrated your SMP server, you are having issues finishing the migration of Workflow. You are getting the error below when trying to publish workflows, in the console on the Workflow page, and in Workflow manager when going to the server.

System.ServiceModel.Security.MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Anonymous'. The authentication header received from the server was 'Negotiate,NTLM'. ---> System.Net.WebException: The remote server returned an error: (401) Unauthorized.

Environment

Workflow Solution Upgraded to 8.6 RU3

Resolution

Enable "Anonymous authentication" on Workflow virtual directory in IIS Manager