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SharePoint 2019 Can't open MS documents within Sharepoint

Hi EE,

Our SharePoint 2019 instance has the following problem:

See attached Sharepoint Error.PNG it was working just fine up until a couple of weeks ago.

The workaround currently is to download the document.

Any help is welcome

Thank you

Walter Curtis

A few points and questions:

Is this SharePoint On-premise?
The screenshot shows that a pdf was being opened. Are you also having problems with MS Office Documents?
The screenshot also shows that Microsoft Online is in use, or Office Online Server. Has that worked in your environment before?
I have occasionally had the same problem in our SharePoint 2016 On-premise environment using Office Online Server. What I do to fix the issue is do an IIS reset on the App server that is bound with the Office Online Server.
On a few rare occasions I have had to restart the Office Online Service on the Office Online Server.

Hope that helps...

Zack

ASKER

Hi Walter,

Is this SharePoint On-premise? - Yes
The screenshot shows that a pdf was being opened. Are you also having problems with MS Office Documents? - Yes
I have occasionally had the same problem in our SharePoint 2016 On-premise environment using Office Online What I do to fix the issue is do an IIS reset on the App server that is bound with the Office Online Server. - I'll try this I think we have an 'office online service' installed.

Thank you.

Zack

ASKER

Hi Walter,

How do I locate the IIS App server that is bound with the Office Online Server?

Thank you.

SOLUTION

Walter Curtis

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Zack

ASKER