Re: Exchange 5.5 and windows 2003 native mode
From: Jaclynn Hiranaka [MSFT] (jaclynnh_at_online.microsoft.com)
Date: 09/24/04
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Date: Fri, 24 Sep 2004 16:12:57 -0700
If you only have a single domain it is recommended that it be in Native Mode
for Windows for exactly the reasons described below. If you are not in
native mode and you permission by DLs in 5.5 then your permissions will be
broken in Exchange 200X.
-- Hope that helps. ------------------------- Jaclynn Hiranaka Enterprise Messaging Support This posting is provided "AS IS" with no warranties, and confers no rights. © 2004 Microsoft Corporation. All rights reserved. "Ed" <Ed@discussions.microsoft.com> wrote in message news:96DAC6E5-FA7E-4705-A866-51FB6B701BF8@microsoft.com... > would it be ok if we were only a single domain > > "Jaclynn Hiranaka [MSFT]" wrote: > >> From 295922 Considerations when you upgrade to Exchange 2000 Server >> http://support.microsoft.com/?id=295922 >> =============================== >> It is recommended that at least one Active Directory domain operate >> in native mode. This permits Exchange Server 5.5 distribution lists >> (DLs) to be mapped across to Universal Distribution Groups (UDGs) and >> Universal Security Groups (USGs) in Active Directory. The Active >> Directory Connector (ADC) is hard-coded to create UDGs, but the >> Exchange 2000 information store can and will convert these to USGs on >> an as-needed basis. You can configure a secondary recipient connection >> agreement to replicate only DLs to the target native mode domain where >> USGs can exist. If UDGs exist in a mixed-mode domain, they cannot be >> converted into USGs, and your public folder permissions will not work. >> ===================================== >> >> The same is true for Exchange 2003. Although you can use DLs in 5.5 for >> permissions on public folders and mailboxes because Exchange 200X is so >> integrated into AD only Security groups can be used for permissioning. >> If >> you are not in native mode for Windows the ACLs that you have set on >> mailboxes and public folders by DL in 5.5 will not be properly converted >> and >> you will break permissions on those objects. >> >> The best method is the one described above where you have a native mode >> domain in your forest and to migrate DLs there from 5.5. >> >> -- >> Hope that helps. >> >> ------------------------- >> Jaclynn Hiranaka >> Enterprise Messaging Support >> >> This posting is provided "AS IS" with no warranties, and confers no >> rights. >> © 2004 Microsoft Corporation. All rights reserved. >> >> >> "Ed" <Ed@discussions.microsoft.com> wrote in message >> news:D9ABCFA1-DB31-4B7C-8852-CEB9293E7283@microsoft.com... >> >I heard on this site that you should have windows 2003 in native before >> > migrating from exchange 5.5 to exchange 2003, is this true? What would >> > happen >> > if you did do it in mixed windows 2003 mode? >> >> >>
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