Does anyone have a good enterprise solution for digital document signatures using Microsoft PKI/CA? I am looking for something that provides a good indication that a document has been digitally signed using a user-certificate generated by Microsoft AD CA (Server 2003). I have tried it in Word 2003 but a Word 2007 user could not see that the document was signed. The signature works fine using Outlook 2007 and the message shows the little ribbon badge showing it is signed.
I am also interested in enterprise alternatives to using Acrobat Pro to sign PDF files.
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