Got my test farm created with SharePoint and Office Web apps 2013 and I was so excited to experience the functionality. I uploaded a document to the library and looked into the rendering part. However, I keep getting an error saying, “Sorry Something Went Wrong,” which happens too when I click preview in a browser.
As I recall, everything went well with the installation of Web apps. I tried restarting of Servers just to make sure but no luck, it still shows the same problem. I tried with few more different documents and yet still the same problem occur.
Since Microsoft has stated in several documentations that this can occur due to lack of memory or faulty allocated hardware. Nevertheless, I found my test server had good enough resources.
So what was it? Then I dug in to the web — I found that I can’t use System Account for opening or editing document via Web apps. I then tried to login using another account and it has started working perfectly.
To sum up, we have to make sure that criteria below before we begin the Web Apps Installation:
- Verify that all SharePoint 2013 web applications use claims-based authentication. Office Web Apps rendering and editing will not work on SharePoint 2013 web applications that use classic mode authentication.
- To enable users to edit (not just read) Office documents in a web browser, verify that you have the necessary editing licenses and that you have enabled editing on the Office Web Apps Server farm.
- If you log into SharePoint 2013 by using the System Account, you will be unable to test the connection between SharePoint 2013 and Office Web Apps Server. You will have to log on by using a different account to test the connection.
- Low memory conditions can cause Office document previews to fail in Office Web Apps. Verify that the server or servers that run Office Web Apps Server have sufficient memory by reviewing the Hardware requirements.
Note: There are more incidents that same kind of error can be occurred, refer here for more information: http://technet.microsoft.com/en-us/library/ff431687.aspx
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