Steve Dodson's WebLog

A Premier Field Engineer supporting customers with security related topics.


Deploying Defender Definitions with WSUS

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One of the cool things about Windows Defender is that we still give system administrators the ability to deploy definition updates by using WSUS. I have just written a KB article on setting up the WSUS server to download and deploy Defender definitions.

You can find this KB at:

As always, please feel free to comment on the ways we can make Windows Defender better for you all!


  • System Admins can deploy Windows Defender definitions with WSUS as per Steve Dodson.  You can find...

  • About two weeks ago I enabled the WSUS server to download Defender Definitions. At first they were working perfectly but now I am getting the Definitions appearing in the update window but the server is reporting that it cannot download them.  Have you come across this before?

  • Need a link to a manual download of Defender definitions.  Automation is nice and all but sometimes it can not be achieved.  How about MS providing a manual download?  Also there is no way to tell Defender to download new updates if you uncheck the box to update and scan.  What if you do not want to have systems scan then?  Choices, please, choices.

  • Hello, of course I came to visit your site and thanks for letting me know about it.

    I just read this post and wanted to say it is full of number one resources. Some I am familiar with. For those who don’t know these other sites they are in for a treat as there is a lot to learn there.

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