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Hi all, I've implemented secure messaging as described here: http://www.msexchange.org/tutorials/...ange_2003.html In my GPO I configured Autoenrollment and checked the two boxex "Renew expired certificates..." and "Update certificates..." The renewal period


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Old 10-06-2008, 01:13 AM   #1
Andreas.Konrad
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S/MIME Certificate renewal in W2K3 - EX2K3 infrastructure

Hi all,



I've implemented secure messaging as described here:
http://www.msexchange.org/tutorials/...ange_2003.html



In my GPO I configured Autoenrollment and checked the two boxex "Renew
expired certificates..." and "Update certificates..."

The renewal period in my template is 6 weeks and the certificate expires
after one year.



Now I'm wondering why it is necessary to keep the old certificate in my
certificate store after getting a new one within the renewal period. If I
remove the old one I am not able to decrypt mails being encrypted by using my
old public key.

I thought the private key remains the same if the certificate is renewed and
I would be able to decrypt mails that are encrypted with both public keys -
the old and the new one.



Can anyone arrange my ideas? :-)



Thanks a lot

Andy


 
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certificate, ex2k3, infrastructure, renewal, s or mime, w2k3



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