active directory connetor

Posted on 2004-09-20
Medium Priority
Last Modified: 2010-07-27
Hello, I dont know if this would work with ADC. The NT4.0 server where I have installed the exchange 5.5, is in domain1 and a new win2k3 DC is in the new domain2. I already moved some computers and users to the new domain2 and I wanted to know if I can use ADC to connect to EXCHANGE 5.5  from the old NT4 DOMAIN1 and the new DOMAIN2 at the same time? I will eventually be getting a new 2k3 server with exchange2k3 next year. any suggestions, ideas, or comments will be helpful. thank you.
Question by:hherrera
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LVL 18

Expert Comment

ID: 12112238
That's what the ADC is designed for...

Author Comment

ID: 12112264
so there would not be any problems if I share exchange 5.5 between an nt4 and a windows 2003 domains  with ADC  for months. great, do you know of any links where I can find intructions to do this. thank you.
LVL 18

Accepted Solution

exx1976 earned 240 total points
ID: 12113107
There have been books written on this topic.  You need to do a LOT of homework before you start playing with the ADC, otherwise you can make a serious mess of a lot of things, and to undo them, you will expose some VERY tender underbelly-type portions of the system (like 5.5 admin in raw mode, and ADSI edit)...

I apologize, I did not read your original question in quite enough detail..  I did not realize that you wanted to be able to use both domanis to access the server.  The only way this can be accomplished is by creating NEW accounts on the 2k3 side for people.  If you are migrating accounts, then I don't think this will be possible.

After you create all the new accounts for people, you'll need to change the primary mailbox owner to the new 2k3 account, and then you'll need to grant access to the old NT4 account on the security tab of each user's mailbox in 5.5.  Then, configure your ADC, and run it.  It will link the mailboxes to the new 2003 accounts, but people can continue to use their original NT4 accounts to authenticate until they are moved over.

If you do not create 2k3 accounts for people, then you are going to end up with a whole bunch of disabled users ni your AD structure that will be contacts to represent all the 5.5 mailboxes who could not be mapped to users on your 2k3 machine.

Also, before you fire up the ADC, you must ensure that each user is the primary mailbox owner for only ONE mailbox.  You'll have a REAL mess on your hands if there is not a 1:1 mapping..

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Author Comment

ID: 12113177
I have created the same users from nt4 to wk3 and everyone has a mailbox. if I want to move users by department, say per week, will there be any problems with the rest of the users? tahnk you for your comments.
LVL 18

Expert Comment

ID: 12113413
You can't install the Active directory connector until the primary mailbox owner on ALL mailboxes matches the 2003 accounts, or you'll have a mess.  But, in order to have the NT4 users still be able to access the mailbox once you've changed the primary account, you need to add them to the security tab on the mailbox.

Once you have all the permissions correct, you can then install the ADC and configure it, and then migrate the users at your leisure.

Author Comment

ID: 12114403
thank you for your comments. one last thing, where can I get the ADC. can I get it from the windows 2k3 server? I dont have anything from e2k or e2k3.
LVL 18

Expert Comment

ID: 12114567
The ADC is on the Exchange CD.


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