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SharePoint 2016 and Office Online - Page not found

Pieter Veenstra
MVP

‎May 01 2018 05:18 AM

‎May 01 2018 05:18 AM

SharePoint 2016 and Office Online - Page not found

 

I've got multiple SharePoint 2016 farms and I've configured Office Online. On 5 of these farms this is working but on the 6th farm it is not working.

 

When I try to create a document or when I try to open a document or when I try to preview the document I'm getting the following error:

 

 

PageNotFound.PNG

When I go to the https://hostname/hosting/discovery url I do get an xml back that looks right. All the other settings look the same too however I'm not able to get Office Online to work in this farm.

 

 

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Trevor Seward

‎May 01 2018 01:53 PM

‎May 01 2018 01:53 PM

Re: SharePoint 2016 and Office Online - Page not found

Verify the correct WOPI Zone is being used on the farm via Get-SPWOPIZone. Verify you can hit the XML file from the SharePoint server; it sounds like you've already verified it from a client workstation.
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Pieter Veenstra

‎May 01 2018 02:09 PM

‎May 01 2018 02:09 PM

Re: SharePoint 2016 and Office Online - Page not found

Yes, I tried all of that. I even recreated the wopi bindings. The service works and displays xml in the browser.
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Trevor Seward

‎May 01 2018 02:31 PM

‎May 01 2018 02:31 PM

Re: SharePoint 2016 and Office Online - Page not found

When you go to edit a file/create a new one, what is the ASPX page it is sending to you to? You may need to use Fiddler if it is redirecting after encountering an error.
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Pieter Veenstra

‎May 01 2018 02:39 PM

‎May 01 2018 02:39 PM

Re: SharePoint 2016 and Office Online - Page not found

This is a very restricted environment ( like all the other 5 farms) not sure if I can use fiddler. I guess I can try.

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Trevor Seward

‎May 01 2018 02:43 PM - edited ‎May 01 2018 02:44 PM

‎May 01 2018 02:43 PM - edited ‎May 01 2018 02:44 PM

Re: SharePoint 2016 and Office Online - Page not found

Got it. To clarify, this would be fiddler from a client workstation and not the servers.

 

Since you said the environment was locked down, is it any more locked down than the 5 other farms? Are there any unique GPOs that might be of interest, or network equipment (firewall, router, IDS/IPS, and so on) between SharePoint/OOS?

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Pieter Veenstra

‎May 03 2018 02:57 AM

‎May 03 2018 02:57 AM

Re: SharePoint 2016 and Office Online - Page not found

 So far I got the following from Fiddler. The call to wordviewerframe is giving me a 404
 
 POST /wv/wordviewerframe.aspx?embed=1&ui=en%2DUS&rs=en%2DUS&WOPIsrc=https%3A%2F%2Fintranet%2Duat%2Dgb%2Eclient%2Ecom%2F%5Fvti%5Fbin%2Fwopi%2Eashx%2Ffiles%2Fa83fe6c5c940421e92b040e698e3f39a&wdSmallView=1&wdEnableRoaming=1 HTTP/1.1 



<html><head><meta http-equiv="Content-Type" content="text/html;charset=utf-8" /><meta name="SharePointError" content=""/><meta name="Description" content=""/><meta name="Keywords" content=""/><meta name="Robots" content="NOINDEX"/><script type="text/javascript"><!--window.location.replace("https:\u002f\u002fintranet-uat-gb.client.com\u002fPages\u002fPageNotFoundError.aspx?requestUrl=https:\u002f\u002fintranet-uat-gb.client.com\u002fwv\u002fwordviewerframe.aspx")--></script></head><body><!------------------------------------------------------------------------->File Not Found<!-------------------------------------------------------------------------></body></html>

I also had a look  at the Office Online ULS logs but they don't seem to be very useful at least there doesn't seem to be anything relevant to the failed call.

 

 

 

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Pieter Veenstra

‎May 08 2018 02:44 AM

‎May 08 2018 02:44 AM

Re: SharePoint 2016 and Office Online - Page not found

Hi @Trevor Seward,

 

I think that I have found the issue. Fiddler didn't give me the answer. 

 

The problem with the failing farm is that the Office Online server also runs the Workflow Manager services. Although probably not best practise to run both on the same server I can't find an immediate reason why these couldn't be on the same servers. i.e. the sites all use different ports and I can't find anything that points me in the direction of this combination not being possible.

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Trevor Seward

‎May 08 2018 08:18 AM

‎May 08 2018 08:18 AM

Re: SharePoint 2016 and Office Online - Page not found

It's explicit in the docs that you should not be installing any other server application on OOS boxes.

https://docs.microsoft.com/en-us/officeonlineserver/plan-office-online-server
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