This article contains the steps on configuring 3rd Party with WSUS Replica.

Prerequisites

• 3rd Party Configured on WSUS Primary
• The Primary WSUS and WSUS Replica should be part of the same domain.  If they are in different domains, there must be a trust relationship established between the domains.

Installing and configuring the 3rd party software plugin

• Launch Updates Publisher
  • Click on the blue Menu in the top left corner
  • Then click on Options
  • On the first page that will be open, hit enable Publishing to an Update Server.
  • Choose the Connect to a remote update server
  • After that - Test Connection (It should say that it was successful, and will ask about a certificate (check next step))
    
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Add the cab file to the update publisher

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