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ChrisBlakey-8342 asked ChrisBlakey-8342 answered

On premise Sharepoint 2016 and OOS issue

Hi All,

Wierd issue with our on premise solution. We have Sharepoint 2016 and OOS hosted on different servers.
Some users are experiencing an issue when browsing sharepoint and editing a file in the web browser, after a certain amount of time they get error messages
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Now they can still open the document in full Excel/Word and working on it but they can't do anything regards to document editing in the browser. Can't even view them.

Interestingly this issue goes away after about an hour.

This has to be a timeout/lockout issue but I can't find anything that would do this and found nothing fruitful on the usual searches.
There is nothing obvious about this in the ULS logs unless I am missing something.
Possibly these two messages?>
Show error dialog. ErrorType: 16 offline
HostIntegrationMessenger instantiated before full app settings ready

Any help would be appreciated.

office-sharepoint-online
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Capture a fiddler trace from the client as they're opening the file. Additional ULS logging on the OOS boxes may help using Verbose logging, as well.

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Hi, @ChrisBlakey-8342 ,

After a few days, is there any update ?

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Apologies but i've been off work so haven't had a chance. I will do more trouble shooting today.

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JerryXu-MSFT avatar image
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JerryXu-MSFT answered ChrisBlakey-8342 commented

Hi, @ChrisBlakey-8342 ,

Besides what trevor has said, you can check the Office Web App farm status with the cmdlet

 Get-OfficeWebAppsFarm
 Get-OfficeWebAppsMachine

For the log, use the cmdlet (Get-OfficeWebAppsFarm).LogLocation to get the log location and check the log for more information.

Reference: https://social.technet.microsoft.com/wiki/contents/articles/52279.office-online-server-troubleshooting-in-sharepoint-environment.aspx


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Ok so I haven't used fiddler much before but its not giving anything too obvious as everything, is there anything in particular I should be looking out for?

Everything looks ok from those cmlets, the machine is showing healthy.

I am looking at the ULS logs when this error is happening and found the following


03/29/2021 11:31:32.99 w3wp.exe#WebWordViewer (0x29B4) 0x4038 Hosted Office Online WAC Hosting Interaction ajryn Unexpected Wopi,CheckFile,WACSERVER ConfigError [error:The SharePoint site appears to have its UPA in an improper sync state. Please contact the SharePoint administrator. The SharePoint site's WOPI handler has determined that the user permissions for this file/folder do not match the user permissions when wopiframe.aspx was loaded. | Wopi,CheckFile,WACSERVER | Host Status Code: Forbidden | Host Error Info: SyncUPA, url:UREDACTED_(Z8knU5XEGngaDpAj6qQSyHZetrvWGg1wSxtNwlHkjCA=)] dafeb89f-09cd-3099-2f05-b12094883edc

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03/29/2021 11:31:32.99 w3wp.exe#WebWordViewer (0x29B4) 0x4038 Hosted Office Online WAC Hosting Interaction ajahx Unexpected (Wopi,CheckFile,WACSERVER) Host reports UPA out of sync [status:Forbidden, url:UREDACTED_(Z8knU5XEGngaDpAj6qQSyHZetrvWGg1wSxtNwlHkjCA=)] dafeb89f-09cd-3099-2f05-b12094883edc


This is when opening a word document, I haven't seen the same when opening an excel document but the error doesn't display the session id for me to search in the logs.

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ChrisBlakey-8342 avatar image
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ChrisBlakey-8342 answered

Anyone able to help with this?

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