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Windows Server 2000/2003 Thread, Exchange 2007 / Outlook 2010 Certificate Error in Technical; Hi guys. When users open outlook 2010 internally we get an error saying "The Security Certificate was issued by a ...
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    Exchange 2007 / Outlook 2010 Certificate Error

    Hi guys.

    When users open outlook 2010 internally we get an error saying "The Security Certificate was issued by a company that you have not chosen to trust"

    The error message started to appear a few days back now - Exchange was happily working until then.

    From my understanding.. internally ,you use a self signed cert that you generate from the exchange console.. Which I have done and replaced the exisiting one enabling the correct services using the following commands:

    New-ExchangeCertificate

    Enable-ExchangeCertificate -Thumprint xxxxxxxxxxxxxxxxxxxxxxxx -Services "IIS, POP, IMAP, SMTP"



    I will attach the error message to this post & if anyone can shed any light i would be really greatfull.

    Thanks

    Craig

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    craigg's Avatar
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    I managed to solve it..

    I created a CSR file on our exch box then used our internal CA to process the certificate.

    After an import and enabling reliavent services all appears fine.

    Thanks!

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