Skype for Business Server 2015 - Block only instant messaging

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Skype for Business Server 2015 - Block only instant messaging

L0 Member

We are currently developing a proprietary WebRTC solution which we will use to replace Skype for Business.  We are currently looking to roll out instant messaging on the custom product and would like to disable/block only instant messaging traffic in our Skype for Business environment.

Curious if this is possible as I feel the application would use the same protocols for Instant Messaging and other features/processes of the application that will still need connectivity for the application to function??


Cyber Elite
Cyber Elite


I think this would be pretty hard to do at the firewall level without breaking any other SfB features. The good news is, this is easy to do on the client side via a registry key you could deploy to endpoints. 

reg add HKLM\Software\Policies\Microsoft\Office\16.0\Lync /v DisableIM /t REG_DWORD /d 1 /f


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