Article ID: 555855 - View products that this article applies to.
"Microsoft Exchange couldn't find a certificate that contains the domain name mail.domainname.com
in the personal store on the local computer. Therefore, it is unable to offer the STARTTLS SMTP
verb for any connector with a FQDN parameter of mail.domainname.com.
Verify the connector configuration and the installed certificates to make sure that there is
a certificate with a domain name for every connector FQDN."
2. The SMTP connector may fail to support TLS connection.
The Exchange server, may setup to use wrong certificate or doesn't setup to use certificate.
1. Open "Exchange Management Shell".
2. Write "get-ExchangeCertificate" and press on "Enter" button.
3. Write down the Thumbprint of the certificate that reflect the required FQDN name of the server.
4. Review the current certificate that use by the Exchange server and
each certificate function.
5. Write "Enable-ExchangeCertificate -Thumbprint 2afd26617915932ad096c48eb3b847fc7457662 -Services "SMTP"
and press on 'Enter" button.
6. Restart the Exchange server.
Creating a Certificate or Certificate Request for TLS
Article ID: 555855 - Last Review: April 5, 2007 - Revision: 1.0
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