MSExchangeTransport 12016

 

This article provides an explanation and possible resolutions for a specific Exchange event. If you don't find what you’re looking for here, try searching Exchange 2010 Help.

Details

Product Name

Exchange

Product Version

14.0

Event ID

12016

Event Source

MSExchangeTransport

Category

TransportService

Symbolic Name

STARTTLSCertificateExpired

Message Text

There is no valid SMTP Transport Layer Security (TLS) certificate for the FQDN of %1. The existing certificate for that FQDN has expired. The continued use of that FQDN will cause mail flow problems. A new certificate that contains the FQDN of %1 should be installed on this server as soon as possible. You can create a new certificate by using the New-ExchangeCertificate task.

Explanation

This Error event indicates that the certificate that was used for Transport Layer Security (TLS) for a specific connector on this computer has expired. The connector name is returned with the Error event.

User Action

To resolve this error, you must use the New-ExchangeCertificate cmdlet in the Shell to create a new TLS certificate for the fully qualified domain name (FQDN) for the connector on the computer that returned this Error event. For more information, see the following topic:

For More Information

If you are not already doing so, consider running the Exchange tools, which have been created to help you analyze and troubleshoot your Exchange environment. These tools can help make sure that your configuration aligns with Microsoft best practices. They can also help you identify and resolve performance issues and improve mail flow. To run these tools, go to the Toolbox node of the Exchange Management Console. To learn more about these tools, see Managing Tools in the Toolbox.