Migrating Exchange 5.5 to Exchange 2003

[3073]

Here is the wierd scenerio we have here.First of all, it was all created by a former consultant. We have 2 domains. Domain A is Windows NT4.0 with 2 servers, one PDC and another BDC which is also a Exchange 5.5 server. Domain B is a Windows 2000 AD domain. All the Client computers are part of Domain B and all the users always logs into Domain B. There is no Trust between Domain A and B. The way users are accessing their mailboxes and getting authenticated to Domain A is that the PDC & BDC contains same users with same passwords in them so when a user logs into domain B and access the mailbox, since its the same password on Domain A, it works just fine(Do not ask HOW). Now My issue is that I want to Migrate Exchange 5.5 which is in Domain A to Exchange 2003 which I want to be in Domain B, so that I can get rid of Domain A once for all. Please Suggest how I should proceed, I know it can be possible but just need some good advice !! Thankyou in Advance

 

[NortonES2]

First you will have to create your Domain A users in Domain B. Build a new exchange server in Domain B and use exmerge to move the mailboxes between Domain A and B. Any public folders can be moved by exporting them to .PST files and importing them into the new Exchange system.

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If it doesn't leak oil it must be empty!!

 

[3073]

Thanx Norton, How about the permissions? I have to have an account in the Domain B who has access to access all the mailboxes from Domain A so that I can use that account to import to Domain B in one shot? Any suggestions....Also by using Exmerge, will it retain all the user permissions, Rules and stuuff??