* Wildcard SSL Certificate error in exchange 2013

Hi, 

Don't know if this is the right place to ask, but i have setup Exchange Server 2013 and bought an SSL Wildcard Certificate from Comodo.. Problem is when i try to add the Imap it says; 

warning 

   

This certificate with thumbprint 0B60BE0164E8DB7B7A9D190DF98F56ABFE60F4BC and subject '*.domain.org' cannot used for IMAP SSL/TLS connections because the subject is not a Fully Qualified Domain Name (FQDN). Use command Set-IMAPSettings to set X509CertificateName to the FQDN of the service. 

I have done "Set-ImapSettings -X509CertificateName mail.domain.org" and the same for PopSettings, still no luck.. Any idea as to what can 'cause this problem? Shouldn't Exchange support wildcard SSL?

March 13th, 2013 11:26am

Hi

You cannot use the Enable-ExchangeCertificate for IMAP and POP if you have a wildcard certificate.  

Using the Set-ImapSettings and Set-PopSettings is all you need to do.  Even once you have run these commands you will not be able to enable POP or IMAP using the Enable-ExchangeCertificate command.

Cheers, Steve

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March 13th, 2013 12:09pm

So doing that should make everything ok? I don't have to bother about the error i get in the admin center?
March 13th, 2013 2:28pm

It should do unless you have some other issue but I would just test that IMAP/POP is working over SSL.
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March 13th, 2013 4:07pm

Hi,

i had the same problem. Did the Set-ImapSettings command help ?

Its a bit confusing that after issuing this command the IMAP service is not shown anywhere in the certificate mappings.

July 20th, 2013 1:39pm

Hi,

Running the below commands on my Exc 2013 server doesn't helps.

Set-POPSettings -X509CertificateName exchange2013.careexchange.in
Set-IMAPSettings -X509CertificateName exchange2013.careexchange.in

it is throwing me an error as below :-

The certificate with the subject '*.domain.com' can't be used for SSL or TLS connections because the subject isn't a valid fully qualified domain name (FQDN).

Can someone please guide me on the same.


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July 31st, 2015 8:03am

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