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Get-SPWOPIBinding -Action "MobileView" -Application "WordPDF" | Remove-SPWOPIBinding -Confirm:$false
Get-SPWOPIBinding -Application "WordPDF" | Remove-SPWOPIBinding -Confirm:$false

Hi, I recently ran the above command on my SharePoint 2016 server, does anyone know how I can reverse the changes that it makes? Thanks!

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If you didn't have any fancy settings configured previously, the best approach is to first disconnect SharePoint from Office Server and connect it back from scratch. So can do the following:

Remove-SPWOPIBinding -All:$true

Reconnect SharePoint to OWA by running the following. Bear in mind, that this assumes your OWA uses HTTP instead of HTTPS:

New-SPWOPIBinding -ServerName <WacServerName> -AllowHTTP
Get-SPWOPIZone
Set-SPWOPIZone -zone "internal-http"
(Get-SPSecurityTokenServiceConfig).AllowOAuthOverHttp
$config = (Get-SPSecurityTokenServiceConfig)
$config.AllowOAuthOverHttp = $true
$config.Update()

More details in Configure Office Online Server for SharePoint Server

Alternatively, you can try the following command:

New-SPWOPIBinding -ServerName "Server.corp.Contoso.com"

This example creates bindings for all the applications and file name extensions that the WOPI application supports on the current SharePoint farm where this cmdlet is run.

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  • Hi, I have just tried running these commands but I am still getting "Sorry something went wrong. An error has occurred on the server" whenever I hover over a PDF in search results it only seems to be PDF's that are affected, do you have any ideas why?
    – Ben Cooper
    Mar 15, 2022 at 10:42

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