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Certificate in Exchange 2010 on SBS2011

Matthew Cioffi
Last Modified: 2014-08-20

I have started to get the below error a few days ago.  I'm not shy, but I'm guessing something in a patch.

12014 MSEXCHANGE transport

Microsoft Exchange could not find a certificate that contains the domain name antispamsrv.widgets.com in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector default smtp with a FQDN parameter of antispamsrv.widgets.com. If the connector's FQDN is not specified, the computer's FQDN is used. Verify the connector configuration and the installed certificates to make sure that there is a certificate with a domain name for that FQDN. If this certificate exists, run Enable-ExchangeCertificate -Services SMTP to make sure that the Microsoft Exchange Transport service has access to the certificate key.

Our layout is that we have an antispam server in front of the SBS server and exchange.

Currently the mx record points to that, I'm calling it antispamsrv.widgets.com.  So there is in fact no cert with that name on it.  

Can I do a self signed cert or do i need to get a commercial one?  Do I just get one with the antispamsrv.widgets.com name in it?

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You create a self-signed cert and run the Enable-ExchangeCertificate -Services SMTP for that cert.
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Most Valuable Expert 2014

Have you set the FQDN in Exchange anywhere to match that host name? The fact that you have a filtering appliance in front shouldn't affect SBS in anyway.

What that would mean is there would be three host names involved:


As for certificate choice - ideally you should have a trusted certificate in place for the web services on Exchange and SBS.


I would suggest verifying the values before making any changes.

Get-ExchangeCertificate | FL *

Get-ReceiveConnector | FL name, fqdn, objectClass

Get-SendConnector | FL name, fqdn, objectClass
Matthew CioffiSenior DBA


Thanks for the suggestions.  I will look at this more tonight and get back to this.
Matthew CioffiSenior DBA


Thanks this helped a lot.

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