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Can not sign email with digital id

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  • Can not sign email with digital id


    I'm using CA on Windows 2003 server Standard Edition to implement digital signature in my company, my CA model is Enterprise Root CA. Users can request for a CA via web enrollment but can not sign with their CA.

    In Outlook Express in Tool --> Account --> Mail tab --> Properties --> Security --> Select, I do not see any CA which I received from server. But, in IE6 I can see these CAs in Certificate section. Each time, I send an email, Outlook Express said "You can not send digitally signed messages because you do no have a digital ID for this accout"

    I've also check email address in CA and there's no problem with this, my account information including email is the same as in my CA. I've tried to reinstall domain controller, CA server but this problem still exists. I do not how to resolve this problem .

    I installed all of these on VMWare just for testing before deploy them in my real network and domain.

    I do not know this problem is caused by installation process of CA server or enrollment process of windows 2003 server.

    You can refer to these images for more details about this problem.

    Using Digital ID with Microsoft Outlook 2003

    The Digital ID which I received from CA server

    Have any ideas to solve this? Please teach me the resolution for this problem.

    Thanks for your consideration.