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Subject: [ActiveDir] FYI - SupportedEncryptionTypes Windows 7

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decrosby

Posts:105

02/01/2012 4:23 PM
Hi, FYI - We have found that there is a bug in win7 post security update MS11-013 (http://support.microsoft.com/kb/2425227), where the supported encryption types can get set to KERB_ENCTYPES_NO_DES if future encryption types are NOT enabled. Functionally with this update installed if your local security setting has DES enable but does not have "future encryption types selected" DES will not be included in the list of client supported encryption types. Whilst DES may not be a desirable encryption type to have enabled you may need to do so for down level application compatibility.... Thanks. Damian. -------------------------------------------------------------------------- NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing.

barkills

Posts:303

02/01/2012 4:25 PM
Thanks for the heads-up, Damian. From: activedir-owner@xxxxxxxxxxxxxxxx [mailto:activedir-owner@xxxxxxxxxxxxxxxx] On Behalf Of Crosby, Damian Sent: Monday, September 12, 2011 5:05 AM To: activedir@xxxxxxxxxxxxxxxx Subject: [ActiveDir] FYI - SupportedEncryptionTypes Windows 7 Hi, FYI - We have found that there is a bug in win7 post security update MS11-013 (http://support.microsoft.com/kb/2425227), where the supported encryption types can get set to KERB_ENCTYPES_NO_DES if future encryption types are NOT enabled. Functionally with this update installed if your local security setting has DES enable but does not have "future encryption types selected" DES will not be included in the list of client supported encryption types. Whilst DES may not be a desirable encryption type to have enabled you may need to do so for down level application compatibility.... Thanks. Damian. ________________________________ NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing.

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