"Sorry, something went wrong" error when you open a file by using an Office Web App or Office Online Server

Symptoms
When you try to open a file by using an Office Web App or Office Online Server, you receive the following error message:


Error

Sorry, something went wrong

An error has occurred on the server.

Technical Details

Troubleshoot issues with Microsoft SharePoint Foundation.

Correlation ID: a79Dcc9b- lbS 1- 50e6- 6dff- 164a14296a0f


Cause
This issue occurs when you log on to the SharePoint Server by using a system account. Office Online requires the SharePoint server to pass a user token on every request. However, SharePoint Server cannot create a user token for a system account. 


Workaround
To work around this issue, do not use a system account when you log on to a SharePoint Server site.


OOS OWA UNC 


Properties

Article ID: 2761265 - Last Review: 04/29/2016 19:19:00 - Revision: 1.3

Microsoft SharePoint Server 2013, Microsoft Office Online Server

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