Lync 2013 & Skype Integration 3rd Party Cert. Requirement

Question

hi to all
I am a liitle bit confused about the Trusted Certificate (public certificate) need for the Lync 2013 server and Skype integration.
Our problem is trying to Integrate Skype with our Lync 2013. We configured Lync Edge and Lync Backendserver  with internal Certification Authority Certifcates ,we finished provisioning Lync 2013 with Skype according to the  "http://www.microsoft.ctom/en-us/download/details.aspx?id=39071"
document and we received answer from Microsoft that we ıntegration  is finished.
But we could not make any call or add contacts either from Skype no Lync client.
Some  forums say that we had to integrate Trusted Certificates to our Lync Edge server  (http://social.technet.microsoft.com/Forums/lync/en-US/ec3142cb-179a-427d-909c-135052621043/how-to-deploy-the-federation-with-skype?forum=ocsmobility)
But I could not see in official documents.Can someone lead me the correct way to do this ?
Thanks

Answer 1

You will need to change the external Edge certificate to a public issued UC/SAN certificate. Without a public cert the remote party (in this case the MSN/Skype servers) won't be able to establish trust and will fail.
You can do this by re-running the Lync Deployment Tool & Request/Assign Certificates
Here is a walk through:
http://www.digicert.com/csr-creation-lync-2013.htm
http://www.digicert.com/ssl-certificate-installation-lync-2013.htm
Because you are replacing, you will need to restart your Edge services afterwards for it to take effect  (You can use Lync Management Shell and run Stop-CsWindowsService & Start-CsWindowsService)
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