Microsoft UC (Unified Communcation)

Are you getting the error with event id 12014 if yes than follow these steps.

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.

• The value of -Thumbprint obtained in stage 3.

6. Restart the Exchange server.

If the issue persists, I recommend you remove all existing certificates:

Step 1:

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1. Open EMS, run Get-ExchangeCertificate |FL to get the Thumbprint of the certificate.

2. Run Remove-ExchangeCertificate -Thumbprint <> to remove the certificate.

Step 2:

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Then request a new certificate from your local CA for exchange. Please refer the following thread:

http://social.technet.microsoft.com/Forums/en-US/exchangesvrsecuremessaging/thread/37cf60b4-c31f-49aa-9068-ae5934af8950

If you do not want to use local CA, you can create a exchange self-signed certificate by the following command:

New-ExchangeCertificate

More information, please see the following article:

http://technet.microsoft.com/en-us/library/aa998327(EXCHG.80).aspx

I hope this will informative for you and I would like to Thank you for viewing.