I'm running Exchange 2007, I have the Exchange Server on one box and the Edge Transport on another box.
I'm receiving this error in the Event Logs:
EVENT # 51762
EVENT LOG Application
EVENT TYPE Error
EVENT ID 12014
DATE / TIME 4/23/2009 8:25:26 AM
MESSAGE Microsoft Exchange couldn't find a certificate that contains the domain name mail.vetted-intl.com in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector edgesync - inbound to default-first-site-name with a FQDN parameter of mail.vetted-intl.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.
I just recently had to renew my SSL Certificate about a month ago, but it appears these errors have been happening before my renewal. I was receiving this error on both the Exchange Server and Edge Transport Server.
I ran the "Enable-ExchangeCertificate -Thumbprint 2afd26617915932ad096c48eb3b847fc7457662 -Services "SMTP" command on the Exchange Server so that error does not appear anymore on the Exchange Server.
I ran the Start-EdgeSynchronization cmdlet in the Exchange Management Shell to force the replication and have also waited one full day.
When I run the get-ExchangeCertificate cmdlet on the Edge Transport Server, I do not have the certificate for my mail.mycompany.com.