Migrating from MDeamon to Exchange 2010

I've been working with exchange servers for a few years now, but now I’m working on a plan for a pretty huge migration project. The case is:

Our currently mailserver is MDaemon from Alt-N, and we are going to migrate 850 users from MDaemon to Exchange 2010. All the currently users has an email address in the email address field in Active Directory. With so many users, and many of them has foreign names (last name first, and first name last) etc, so to be sure the email address stay the same when the user is migrated, I would like to make sure that we keep the same email address when the users Exchange mailbox is created. Is this possible?

One challenge is that they run Outlook 2003, and will move over to Office 2010 (on a new set of terminal servers). So my currently plan is to use the same AD domain and setup the new Exchange server within the same domain, so the only thing I need to do is create new mailbox for the user, import the users existing PST file, NK2 file and signature. Can I do this by making a script? What would be the best approach here?

Thanks in advance!

Best regards,
Gøran Myrland
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Mr WooberAsked:
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dan_blagutCommented:
Hello

the best option is to practice an full scale deploy on the lab.
Use an DC backup to create an lab environement on a VM structure (2 virtual servers will be ok)
there you can simulate the deploy and see what is happening. I think the adresse will be OK, but the simulation will help you.

dan
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e_aravindCommented:
Atleast regarding this NK2 file, Outlook 2010 can use the switch "ImportNk2"

How to import .nk2 files into Outlook 2010
http://support.microsoft.com/kb/980542

Options:
1. you can script\code the import switch
2. using any PRF file? CIW\CMW, profile autoconfiguration?
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Mr WooberAuthor Commented:
Thats true Dan, a labtest would absolutely be a good start :)

Thanks Akicute, I already read the guide, but its not the exact way I wanna do it, but it helps me on the way.

E_aravind: I just planned to import the NK2 file by script, and use OCT to make a silent profile creation and then import the PST file after that.

Mainly all users uses POP, and a few has IMAP and Outlook Connector. I planned to make the migration for OC users manually, as I experienced much hazzle with calendars etc. when importing directly.
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Roshan MohammedCloud Engineering OfficerCommented:
once u are done with your test lab, esnure u fully document it, and in the production enviornment, setup echnage 2010.

for the daemon side, pst and n2k, ensure you have a full backup "thats restorable" before proceeding.

select a few pilot users and start the migration.

cheers
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Mr WooberAuthor Commented:
Thanks for your help :)
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