SHAREPOINT 2013 NEWSFEEDS NOT WORKING – Microsoft.Office.Server.Microfeed.MicrofeedException. Internal error code: 55.

Problem Statement

 MySites newsfeeds don’t work and SharePoint returned the following error: The operation failed because the server could not access the distributed cache. Internal type name: Microsoft.Office.Server.Microfeed.MicrofeedException. Internal error code: 55. Contact your system administrator for help in resolving this problem.

Solution

Find the account for the Feed Cache service that the application pool was running on.   Add this account to the User Profile service application and provide full control and that fixed the issue.