How to Merge Mailboxes_ Exchange 2007 Help

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Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2,

Exchange Server 2007 SP1, Exchange Server 2007

Topic Last Modified: 2007-01-02

This topic explains how to use the Exchange Management Shell to

merge the contents of one mailbox into another mailbox.

Note:

You cannot use the Exchange Management Console to merge

mailboxes.

A scenario in which you might want to merge mailboxes is in the

case of moving mailboxes from one forest to another without

interrupting the user's access to the mailbox. When you move a

mailbox from one forest to another, unless you are in a resource

forest scenario, you must move both the mailbox and the user

account. You must perform these two steps separately. To move the

mailbox, you must use the Move-Mailbox cmdlet. To move the

Active Directory directory service user account, you must use the

Active Directory Migration Tool version 3.0 (ADMT v3) or a similar

tool.

If you are moving a large number of mailboxes across forests, users

could be without access to their mailboxes for a significant amount

of time. However, you can reduce the amount of time that users

cannot access their mailboxes. First, run Move-Mailbox to move the

mailbox from the source forest to the target forest, but do not delete

the source mailbox or source user account. At this point, the user still

has access to that source mailbox. Next, move the user account with

ADMT v3, and then disable access to the source mailbox. Now the

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Exchange Server 2007

Operations

Managing Recipients

Moving Mailboxes

How to Move a Mailbox Within a

Single Forest

How to Move a Mailbox Across

Forests

How to Merge Mailboxes

How to Merge Mailboxes: Exchange 2007 Help http://technet.microsoft.com/en-us/library/bb201751(d=printer,v...

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user cannot access the source mailbox, but can access the target mailbox. Finally, run Move-Mailbox again using the

AllowMerge parameter to move e-mail messages contained in the source mailbox that were sent or received during

the transition and were not moved to the target mailbox during the initial move.

For more information about merging mailbox data in a recovery scenario, see the following topics:

Understanding Recovery Storage Groups

How to Recover a Mailbox by Using a Recovery Storage Group

Before You Begin

To perform the following procedures, the account you use must be delegated the following:

Exchange Server Administrator role and local Administrators group for both the source server and the target

server

Exchange Recipient Administrator role for both the source organization and the target organization

For more information about permissions, delegating roles, and the rights that are required to administer Microsoft

Exchange Server 2007, see Permission Considerations.

Procedure

To use the Exchange Management Shell to merge mailboxes

Run the following command:

Note:

If you use the AllowMerge parameter, you cannot use the SourceMailboxCleanupOptions parameter. If

you want to delete the source mailbox after you merge mailboxes, you must do this manually after

you run the Move-Mailbox command.

For detailed syntax and parameter information, see the Move-Mailbox reference topic.

For More Information

For more information about the ADMT v3, see Active Directory Migration Tool v3.0.

To ensure that you are reading the most up-to-date information and to find additional Exchange Server 2007

documentation, visit the Exchange Server TechCenter.

Move-Mailbox -Identity john -TargetDatabase "Mailbox Database" -AllowMerge $true


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How to Merge Mailboxes_ Exchange 2007 Help

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