Skype for Business (Lync) – Easiest way to add trusted root certificate authorities to Edge
Sep17

Skype for Business (Lync) – Easiest way to add trusted root certificate authorities to Edge

Ok here is a little tip when trying to add trusted root certificate authorities to Skype for Business 2015 and Lync 2010/2013 Edge servers. Microsoft have a list of Unified Communications Certificate Providers detailed here: https://support.microsoft.com/en-us/kb/929395 Windows now automatically downloads Trusted Root certificates when you access a web page on HTTPS.  We can exploit this to get all Trusted Root certificates on our...

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Lync – Unable to sign in via Edge (Checkpoint Firewalls)
Mar24

Lync – Unable to sign in via Edge (Checkpoint Firewalls)

I recently ran into a problem with Checkpoint Firewalls on a Lync 2010 deployment.  The customer already had a single 2010 Front End and wished to enable external sign in over the internet as it did not work over their VPN solution (Direct Access).  I installed the Edge server and Reverse Proxy but then encountered a strange issue where I was unable to sign in over the Edge server.  Some of the troubleshooting steps I took (Thinking...

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