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  1. #1
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    Outlook 2003: Disable security certificate warning ?

    Over the past month Outlook 2003 has been repeatedly displaying a message that "a security certificate that could not be verified" [+] for an ISP which is not considered a risk.

    Does anyone know of a simple method of disabling this message ? TIA

    Dave.

    [+] "Internet Security Warning
    The server you are connected to is using a security certificate that could not be verified.
    A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file.
    Do you want to continue using this server?"

  2. #2
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    If your system clock is correct, I think you should contact the ISP.

    This specialist Outlook site indicates that the warning cannot be hidden or turned off: Security Certificate Warning in Microsoft Outlook

    Bruce

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    purdyd (2014-10-28)

  4. #3
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    Bruce - many thanks.

    I've reported it at least twice to the ISP (freezone.co.uk) who suggested that it had been addressed and fixed (it hasn't).

    I've also modified the registry as suggested by this Microsoft KB article but it doesn't stop the SSL Certificate warning in Outlook 2003:

    How to turn off e-mail matching for certificates in Outlook
    http://support.microsoft.com/kb/276597/

    Dave.

  5. #4
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    More certification nonsense ? ...

    https://freemail.freezone.co.uk/mail/ - Firefox 33.0.2 reports:

    "This Connection is Untrusted You have asked Firefox to connect securely to freemail.freezone.co.uk, but we can't confirm that your connection is secure."

    But offers an exception:

    "If you understand what's going on, you can tell Firefox to start trusting this site's identification. Even if you trust the site, this error could mean that someone is tampering with your connection. Don't add an exception unless you know there's a good reason why this site doesn't use trusted identification.

    However, after clicking on "Add exception", Firefox reports:

    'Valid Certificate This site provides valid, verified identification. There is no need to add an exception"

    Dave.

  6. #5
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    When I click on that link I get a valid certificate. The date is valid (1/10/2014 to 1/10/2015) and the certification path is valid (back to Comodo). I suspect you may have out of date root certificates on your PC, which can be updated from MS.
    If you remove the exception, then copy the certificate and post it here we will advise.

    cheers, Paul

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    purdyd (2014-11-02)

  8. #6
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    Paul - many thanks.

    I've junked the Firefox profile and the problem has disappeared (in Firefox) - but I'll explore the updating of root certificates.

    Dave.

  9. #7
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    I think we'll be seeing more such warnings since Microsoft dropped support for Office 2003 back in April and Web sites/E-Mail providers update their systems.

  10. #8
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    I've run Microsoft Fix it 20135 at 'How to get a Root Certificate update for Windows' but the Outlook 2003 error message persists.

    FYI: I've attached the certificate for the ISP in question, which has a validity period from 1 Oct 2014 to 9 Oct 2015.

    Dave.

    Attached: Certificate - DL 2 Nov 2014 - freezone.co.uk.zip
    Attached Files Attached Files

  11. #9
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    Supplying the certificate doesn't help because we only see how it's treated by our computer.
    Please take screen shots of the 3 tabs and post them here, then we can see how your computer views the certificate.

    cheers, Paul

  12. #10
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    Paul - Certificate screenshots attached.

    Dave.

  13. #11
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    That's the same view I have, so your root certificates seem OK.
    Are you able to get more info about the Outlook error message, or a screen shot?

    cheers, Paul

  14. #12
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    Paul - Outlook 2003 warning message attached, visible on the first occasion after launching Outlook and pressing F9 (Send/Receive All).

    Dave.
    Last edited by purdyd; 2014-11-03 at 09:57.

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