Event id 12014, Microsoft Exchange server 2010 Certificate

12014
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1. new-exchangecertificate -domainname <> -services smtp

or

1. new-exchangecertificate -domainname " " -services "smtp, pOP, IMAP"

2. Get-exchangecertificate -thumbprint <> | New-ExchangeCertificate

3. enable-exchangecertificate <thumbprint> -services smtp   // optional

4. remove-exchangecertificate FDBA5E496E09713E89AFC6E7BF4C6AF78D943BC7

HKLM\Software\microsoft\systemcertificates\my\certificates

5. Get-Exchangeserver  //To check which servers are using certificate

3rd Party
1. New-ExchangeCertificate
          -GenerateRequest -PrivateKeyExportable:$true
          -SubjectName "c=us, o=securityplanning.com, cn=DC-Mail.securityplanning.com"
          -DomainName DC-Mail.securityplanning.com
           -Path c:\certpop.txt
2. Import-ExchangeCertificate -Path "c:\certnew.cer"
3. Enable-ExchangeCertificate –Thumbprint <thumbprints> -Services "IIS, POP, IMAP"

How to import 3rd party in the Exchange server 2k7
Import-ExchangeCertificate -Path c:\CertificatefileName.crt | Enable-ExchangeCertificate -Services pop, imap, smtp, iis