You may encounter an error message with transport event ID msexchange 12016. There are several ways to resolve this issue, so let’s look at that now.

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  • Friday Aug 3, 2012 5:21:15 PM +0000 kywildcatfanone wrote:

    >Thanks for someone’s answer. I started running the command to renew my old registration (Get-ExchangeCertificate -Thumbprint “XXXXXX” | New-ExchangeCertificate

    >

    >I am getting the following warning message: Warning. This certificate is not used for external TLS connections with the FQDN remote.domain.com because the certificate with thumbprint “XXXXXX” signed by the CA certificate (the old certificate from the command above) takes precedence. The following connectors match the FQDN: Copier 3 Windows SBS Internet gets the domain name.

    event id 12016 msexchange transport

    If you want a third party and certificate to be used for external connections, don’t do it

    event id 12016 msexchange transport

    self-signed cert, so it’s ok.

    >I canceled because I wasn’t expecting a message and didn’t know if you thought anything would break. When I said “no” that you should overwrite it, it was created anyway. This message is because the old one is usually still there and I must and can fill in the new one.then erase the old one? Even if I said no to continue and created it, if the above is true, can I still use the program?

    >

    > Advice on what to do next?

    Once you’ve been able to renew most self-signed certificates, you’ll see that expired certificates (or

    not used) Disk storage certificates. You can repeat it the same way

    Checkout (see above) at any time and optionally delete all old self-signed files

    Certificates with the same common name.

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  • Reich Matthijsen

    MCSE+I, MVP exchange

    — Rich Mathijsen MCSE+I, Stock Exchange MVP

    Thank you for your reply. I ran this command to reactivate the old certificate (Get-ExchangeCertificate -Thumbprint “XXXXXX” | returns new-exchangecertificate

    >I am getting the following warning message: Warning. Thisthe certificate will necessarily be used for external wired TLS connections with the FQDN remote.domain.com if the certificate with thumbprint “XXXXXX” signed by the CA (i.e. the old certificate from the instructions above) takes precedence. The following secure FQDN is Copier 3, a Windows SBS domain name that accepts the Internet.

    If you want all third-party certificates to be used for external connections, don’t do this

    >I canceled because I didn’t expect this message and I was sure nothing would break. When I confirmed the overwrite was “no”, it still worked. It’s still there for a short while due to an old post and I have to make one and do this then delete the long-forgotten? Even if I documented “no” to continue and I managed to do something, can I still use it if the above is true?

    Speed up your computer now with this software that will fix your PC errors.

    Ereignis-ID 12016 Msexchange-Transport
    Gebeurtenis-ID 12016 Msexchange Transport
    ID Evento 12016 Msexchange Transport
    Event-id 12016 Msexchange Transport
    Id. De Evento 12016 Transporte De Msexchange
    Идентификатор события 12016 Транспорт Msexchange
    ID D’événement 12016 Msexchange Transport
    이벤트 ID 12016 Msexchange Transport
    ID Do Evento 12016 Msexchange Transport

    By Isaac Ross-King