Resolution to Error 12014 in Exchange Server 2007/2010/2013

Technology up-gradation is on peek nowadays. Many platforms are available for the storage of essential information. Exchange server is one such platform that helps to establish cross communication. However, sometimes users have to face some errors related to the Exchange Server.

Event ID 12014 in Exchange 2013/2010/2007 is one such error that generally arises at the time of the loading of certificate when connection is established between SMTP (Simple Mail Transfer Protocol) and TLS (Transport Layer Security) for authentication. In this section, we will discuss, some reasons behind this error and also, we will learn that how to fix error 12014 exchange 2007?

Reasons behind Error 12014 Exchange 2007

These are the following reasons that are responsible for this Event id:

• When a user change FQDN on the send or received connector to match the outside DNS code. Certificate issue can occur and create a trouble in between the work.
• Another reason of error 12014 exchange 2007 can be that a user installed a custom certificate on the exchange server and the changed certificate has the same Fully Qualified Domain Name (FQDN). However, the certificate is not empowered for the Simple Mail Transfer protocol (SMTP)
• Transport Layer Security (TLS) require a valid certificate being installed in the Personal Certificate Store of the PC.

How to Fix Error 12014 Exchange 2007?

These are some ultimate mentioned methods to resolve this issue without any difficulty:

Method 1:

• In this method, check the configuration of the all the certificates, which are installed on the Exchange Server. You need to also, examine the configuration of all Receive connectors as well as Send connectors installed on the server. To view the configuration you need to follow some commands as mentioned below:



• In order to resolve error 12014 exchange 2007, you need make a comparison between FQDN (that is returned with the warning) and FQDN (that is defined on each connector) and also, with the with the “CertificateDomains” values, which are defined on each of the certificates.

Note: “CertificateDomains” value is, basically a sequence of the Subject and Subject Alternative Name fields on the certificate.

• The main motive to make this comparison is to verify that each connector that is utilizing TLS consists of a corresponding certificate. This certificate comprises the connector's FQDN, which is in the “CertificateDomains” values of the certificate.
• Inspect the Services value on each certificate. If you are using a certificate for TLS, it is necessary to make it enable for the service of SMTP with a service value of SMTP.

Method 2:

Another way to fix error 12014 exchange 2007 is as follows: If the FQDN is not mentioned on the “CertificateDomains” parameter, you have to make a new certificate. You need to also, specify the FQDN of the connector that is returned in this warning message. To create the certificate you can use the “New-ExchangeCertificate” cmdlet.

Method 3:

Now, in this case, if you have installed a third-party or custom certificate on the server and it has a matching FQDN, but the created certificate is not enabled for the service of SMTP, then the certificate must be enabled for the SMTP service.

Method 4:

Expert Solution to Fix event id 12014 exchange 2013/2010/2007

Users can take help of third party software developed by a well-known company, namely Exchange EDB recovery tool. This software has a very simple interface and can be used technical as well as non technical person. This software has now become one of the most popular tools to fix event ID 12014. The application can recover any corrupted file or deleted mailboxes within Exchange database.

Conclusion: In the above blog, we have discussed the main reasons for event id 12014. We have also, learned some methods to fix error 12014 exchange 2007. Firstly, users have to find out the exact issue that is responsible for this error and then, they can use any method as per the requirement.