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Old 06-06-2007, 08:30 AM   #1 (permalink)
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Question Any way to migrate BES from domain1 to domain2?

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We currently run BES with our MS Exchange server. In a few weeks, we will be changing domains (migrating our current accounts to our parent company's domain). Is there a way to migrate BES user data from the old domain to the new domain? Or will we have to basically start over...I've done all kinds of searches and can't find anything on this topic.
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Old 06-08-2007, 07:02 AM   #2 (permalink)
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It depends on how your Exchange organization is setup...

Are you in a child domain in the parent company's forest?
Are you two totally separate forests?

How are you planning on moving your mailboxes and accounts? What utilities?
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Old 06-08-2007, 09:20 PM   #3 (permalink)
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Smile Same here

Here is my situation. Thanks in advance for any help you can offer!


We have an existing BES (4.06) running on a Windows 2000 Server box that is a member server of a Windows NT 4 domain.

We have a Windows 2003 domain environment.

We have an Exchange 5.5 server on our domain that currently hosts email for all BES users.

We have an Exchage 2K3 server on our domain to which we are attempting to migrate all BES users.

We have a new server set aside on the 2K3 network to become the new BES.

Our W2K3 domain has a two way trust relationship with the NT 4 domain where the current BES lives.

Our goal is to perform a knife edge cutover, in order to migrate the users from 5.5 to 2K3, and move the BES users from the current BES to a new BES on the 2K3 domain. RIM technical support initially advised us that this would not be a problem, and that all we would need to do is install the 2K3 version of ESM on the current BES, and we would then be able to migrate the users mailboxes, and the BES database.

Our problem: We are unable to install the 2K3 version of ESM onto the current BES. It fails, because it requires communication with a 2K/2K3 domain controller.

We do not have the option of promoting the existing BES, or of migrating the entire server to our domain. We strictly want to cutover the users, then migrate their mailboxes to 2K3, at which time the existing BES and the 5.5 server will be decomissioned.
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Old 06-11-2007, 06:21 AM   #4 (permalink)
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Ok ... wouldn't it just make sense to start a new thread rather than hijacking someone elses?
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Old 06-11-2007, 08:49 AM   #5 (permalink)
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I didn't start a new thread because the subject used for this one is exactly what I am trying to do (migrate a BES from one domain to another) and I saw no reason to be redundant. I wasn't attempting to hijack a thread, I was trying to keep more than one question about the same topic grouped together. I appreciate the thought, but how's about not replying unless you actually plan to offer some information? Thanks.
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Old 06-11-2007, 10:36 AM   #6 (permalink)
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How many users do you have on BES? If not too many, it might be easier to just re-activate them...
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Old 06-12-2007, 10:39 AM   #7 (permalink)
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Default migration

My domain is one separate parent domain/single forest, and there are no child domains. The server we currently have is Exchange 2K3. We have around 60+ users. I am unsure regarding the migration utilities because that part of the project is still under development. I wasn't sure if there was a Blackberry migration tool, or if we'd have to start over when we're successfully a part of the new domain.

Sorry for the late response, but thanks for your help in advance.
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Old 06-12-2007, 11:13 AM   #8 (permalink)
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The terminology you're using is confusing me a bit.

Is the new domain you're creating at the root of the forest; same level as the domain you currently have?

Simply put, if you're creating a new Exchange organization you'll have to manually re-provision everyone. If you're in the same Exchange org, you can drag and drop users if you share a common configuration database.

I hope this explains it a bit / helps. If not, provide as much information as you can about what you're going to be doing with AD / Exchange in the migration and then the BB part can be more easily explained.
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Old 06-12-2007, 12:07 PM   #9 (permalink)
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Default sorry so vague

Ok sorry about the lack of info.
My domain is currently a root domain without any child domains. The new domain is a forest with multiple child domains. From what I am told, we will become their new child domain. They currently do not have a Blackberry Exchange server,so they are going to setup a new one. So will we basically have to start from scratch? i.e., migrate all of the domain accounts from the original domain to the new forest, and then manually setup all of the blackberry accounts?
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Old 06-12-2007, 05:54 PM   #10 (permalink)
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When you create a new Exchange org you need to re-provision. If you keep the same Exchange org then you wouldn't need to re-provision. Sorry :(
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Old 06-13-2007, 03:56 PM   #11 (permalink)
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Default Thank you

Thank you for taking the time to reply.
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Old 06-13-2007, 07:24 PM   #12 (permalink)
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Its not crapular ... its Stinkular ... meh, its at&t ...
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