Secondary Exchnage Server 2003 only for Mailboxes and Blackberry Server Impact

Hi Guys,
We have currently a DC on Windows 2003 and have a Exchange 2003 Ent. Edition. We are running out of space and cannot do defrag's on it. So we decided to add a seconday Exchnage server to the same DC. And then move the mailboxes to the secondary server and then delete the store and recreate it on the old. This way we will not have longer down times and users will not be impacted. Also we have a BES server 4.1. And we have about 125 Blackberry users.

Here is my question:
1. How do I do this correctly (Steps to the approch)?
2. How will the mail (Interenal and Exteranl) email flow from the secondary server. (Only for temprpory)?
3. Will the Blackberry users lose their setting with the server because the server changed and store name changed?
Note: I moved a Blackberry user from one store to another and I had to re activate the Blackberry to work....
Exchange and Blackberry server

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ChemtradeAsked:
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Delphineous SilverwingGood Ol' GeekCommented:
The key is to use Active Directory Users and Computers to move the mailboxes to the new server.  This operation is best performed from the new server.  (Makes it a little faster and more reliable)
Mail flow will be temporarily interrupted, but messages will sit en queue durign the move - no mails will be lost.
The BES will automatically use the mailbox that has been moved.
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Delphineous SilverwingGood Ol' GeekCommented:
>>> Note: I moved a Blackberry user from one store to another and I had to re activate the Blackberry to work....
This should not have been the case.  How did you move the user?
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ChemtradeAuthor Commented:
I moved the user from going to ssytem manager and right click>>>exchnage tasks>>>and move to other store...

How do I move users from AD...and how is it different from moving from Exchange Tasks in System manager...

Can you give me the steps please..

Thanks
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Delphineous SilverwingGood Ol' GeekCommented:
Using the Exchange enabled Active Directory Users and Computers - like what is on the server.
  1. Locate and select the user or users to be moved to the new Information Store
  2. Right-click and then click "Exchange Tasks"
  3. If the introduction window appears, click next
  4. Select "Move Mailbox" on Available Tasks to perform, then click Next
  5. Select the Server and Information Store in which to move the mailbox(es), then click Next
  6. Select how you want corrupted messages to be handled, then click Next
  7. Set scheduled time if you want to defer the moves to later, otherwise click Next
  8. The mailbox(es) will move, monitor progress on screen.
  9. The results summary will appear when complete (or failed)
    In the event of failure, select "View detailed report" and click Finish.  This will allow you to review what went wrong and address it.
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ChemtradeAuthor Commented:
Thanks...but your question about the Blackberry user..move...Did I do  anything wrong...if not why did the user cannot connect to BB server.?

Thanks
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Delphineous SilverwingGood Ol' GeekCommented:
Using ESM should have been fine, however if there was any type of disconnect between Exchange and Active directory, then the BES may not have picked up the change.  I found making this change from ADUC to be more reliable in the overall performance (not just BES).
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ChemtradeAuthor Commented:
I really appriciate your instant feedback..this is great.

Thanks I will try it and let you know....from the point of installing the secondary Exchange server and mail flow...will I have an issue for the users who are moved to the secondary exchange server sending and receiving email?.

And also is the 2nd install of the  Exchange server complecatd or straight forward...?

Thanks
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Delphineous SilverwingGood Ol' GeekCommented:
Provided the users are connecting using Outlook to Exchange as "Exchange Server" (versus POP3), Outlook will automatically reconfigure for the new server.  The use of the mailbox will be momentarily interrupted for each user as they are moved.  Any new messages will be delivered to the new mailbox.
Joining an existing organization is simple and part of the installation process.
Since the old server is going to remain within the infrastructure, you should have no issues with the Exchange organization and connectors.
 
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ChemtradeAuthor Commented:
Thank you very much.....so at the time of the second Exchange server installation...it will ask me to join an exsisting org and domain....right?
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Delphineous SilverwingGood Ol' GeekCommented:
After installing Windows, join the domain.  (It is recommended to not make the machine a Domain Controller)
Install Exchange on the server, during installation it will ask if you will be creating a new organization or joining an existing organization.  You will supply the "Exchange Organization" name to join the existing Exchange infrastructure.
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MesthaCommented:
If you get the Exchange org prompt then something is wrong.
You should not get an Exchange org prompt if the server is seeing the domain correctly. It detects the original org and lets you continue as you cannot have two orgs in the same forest.

The main thing to worry about with regards to BES is permissions. Before moving any users ensure that the permissions are correct on the new server for the BESADMIN account, otherwise Blackberry will stop working.

Simon.
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ChemtradeAuthor Commented:
The secondary Exchange server is a member of the main DC...so the BESADMIN account is part of the DC. Do I have to add the besadmin account to the secondary Exch servers Local admin group?..because that is how it is in the currrent Exch server.

If not what do I have to do on the Secondary Exch server (the Steps) to make sure all BB users to access without an issue.

I moved a test BB user not on the secondary server but to another store on the current server. Then the BB users blackberry stopped communicating (No Emails can be sent fron the BB or receive) so what do you think is the issue. In this case the secondary server is not even in the picture.
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MesthaCommented:
Nothing to do with permissions on the server itself. Blackberry requires permissions within Exchange.
Did you setup the original Blackberry server? If so then I would suggest that you find the instructions you followed and apply the same permission changes to the new server that you made to the old one.

Simon.
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Delphineous SilverwingGood Ol' GeekCommented:
Thank you modus_operandi - I am recommending #3, with 250 points awarded to Mestha (4731823) and 250 points awarded to Delphineous (4232010).

Delphineous answered the questions posed within the original request, including detailed information, which were appropriate and included follow-up on subsequent questions.  Mestha provided additional information that addressed an issue experienced by the requestor during implementation caused by incorrectly configured permissions.
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csh2010Commented:
don,t remove the first  exchange just add the new and move the mailbox
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