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Encrypted mails sent from OWA with Windows 7

Posted on 2012-04-04
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Last Modified: 2012-04-09
Encrypted emails sent from OWA with Windows 7 cannot not be read, getting the attached error message.

Environment: Exchange 2007
Capture.JPG
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Question by:nourben
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4 Comments
 
LVL 35

Expert Comment

by:Paul MacDonald
ID: 37806754
So...what's the method the message is encrypted with?  I think the error message is pretty straightforward...
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Author Comment

by:nourben
ID: 37806830
Using Active Client / CAC card
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Accepted Solution

by:
nourben earned 0 total points
ID: 37807548
Resolution:

On all CAS servers:

Add EncryptionAlgorithms key (Reg_SZ) to HKLM\System\CurrentControlSet\Services\MSExchange OWA\SMIME

with value: 6603;6602:128;6602:64;6601;6602:56;6602:40


see: http://technet.microsoft.com/en-us/library/bb738151(EXCHG.80).aspx
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Author Closing Comment

by:nourben
ID: 37822743
Resolved my problem
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