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We are installing Skype for Business server 2015 for testing purposes. I used StartSSL to get free certificate for Skype for Business Edge server. I followed the installation instructions from Jeff Schertz blog. After I imported the certificate successfully, but when I click Assign it won't see it. How should I properly install the certificate for ExternalEdge Certificate (public access) part?

Screenshots:

Certificate Import

Certificate Assignment

BastianW
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Jhonny S
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  • Could it have been imported into the wrong cert store? – Todd Wilcox Jun 22 '16 at 15:09
  • Hi Todd, don't think so. I imported it to the same cert store as internal certificate. – Jhonny S Jun 22 '16 at 18:55
  • **Find a solution** Created cert though Let's encrypt, then using Openssl created .pfx ( certificate plus key ) using the following command `openssl pkcs12 -export -out domain.name.pfx -inkey domain.name.key -in domain.name.crt` Ref:[link](http://stackoverflow.com/questions/6307886/how-to-create-pfx-file-from-certificate-cer-pem-crt-and-private-key). Exported successfully without creating a signing request. – Jhonny S 4 mins ago – Jhonny S Jun 27 '16 at 03:25

2 Answers2

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I had a similar issue. I used a PKCS#7 Base64 encoded certificate which lead to the same issue as you saw. Then I re-downloaded it as X509 Base64 encoded and everything started to work as expected.

Sonnenbiene
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Could it be that the certificate is not in a .pfx format or contains the wrong issued to field? Maybe the ca is not trusted? Is it a wildcard certificate? if so it shouldn't be a wildcard.

Jonathan.
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