403 error trying to configure a load balancer to work with Skype for Business

S

shadowtuck

This is most likely an IIS thing with 2012 R2 but I am posting it here in the hopes that someone else with SFB and a load balancer ran into the same problem.

We use Citrix Netscalers and part of our migration from Lync to SFB is updating our load balancer and replacing the Lync FE servers in our Service Groups on the Netscaler with SFB FE servers.

We immediately started getting 403 errors so there is something different in IIS on 2012 R2 than 2008 R2 which our Lync servers run.

If you try to browse to at SFB FE running 2012 R2 on either port 80 or 443, you get the error below:

1405259.jpg

It works just fine on the Lync 2013 running 2008 R2 so what is different or needs to be done on 2012 R2 to get this to work?

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