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How to Export and Resubmit Messages

 

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 export and resubmit messages from queues on computers that are running Microsoft Exchange Server 2007 and that have the Hub Transport server role or the Edge Transport server role installed. You cannot use the Exchange Queue Viewer to perform this task. However, you can use the Queue Viewer to locate, identify, and suspend the messages before you perform this task.

When you export a message from a queue to a file, the message is not removed from the queue. A copy of the message is made in the specified location as a plain text file that has an .eml file name extension. The resulting .eml file can be resubmitted by using the Replay directory on any Hub Transport server or Edge Transport server inside or outside the Exchange organization.

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

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

To perform the following procedures on a computer that has the Edge Transport server role installed, you must log on by using an account that is a member of the local Administrators group on that computer.

For more information about permissions, delegating roles, and the rights that are required to administer Exchange Server 2007, see Permission Considerations.

Before you resubmit exported messages by using the Replay directory, you must follow these steps:

  1. Verify the following information about the target directory location:
    • The target directory must exist before you export any messages. The directory will not be created for you. If an absolute path is not specified, the current Exchange Management Shell working directory is used.
    • The path may be local to the server that is running Exchange 2000 Server. Or it may be a Universal Naming Convention (UNC) path of a share on a remote server.
    • Your account must have the Write permission to the target directory.
  2. Locate and identify the messages to be exported. For information about how to view messages, see How to View Messages.
  3. Suspend the messages to be exported to prevent their delivery during the export process. The messages must be in a suspended state for the export process to be successful. You can export messages from remote delivery queues, mailbox delivery queues, the Unreachable queue, or the poison message queue. Messages that are in the poison message queue are already in a suspended state. You cannot suspend or export messages that are in the Submission queue. For information about how to suspend messages, see How to Suspend Messages.
  4. Define the scope of messages that you want to export. You can export individual messages, all messages from a specific queue, or messages that match specific criteria from any queue. For more information about how to export messages from queues, see How to Export Messages from Queues.

Consider the following two basic scenarios when you export messages from a queue for resubmission:

  • Exporting messages from queues for immediate resubmission   This scenario involves the export of messages from the queues directly to the Replay directory of the local server or to any remote Hub Transport server or Edge Transport server by mapping a drive letter to the remote server's Replay directory.
  • Exporting messages from queues for delayed resubmission   This scenario involves the export of messages from the queues to a local directory, and then manually copying of the message files to the Replay directory on the current server or to the Replay directory on a remote Hub Transport server or Edge Transport server.

The export procedure is the same for both scenarios. The only difference is the target directory of the exported messages. If the target directory is the Replay directory on a remote Exchange 2007 Hub Transport server or Edge Transport server, it may be easier to export the message files to a local directory first. It is easier to troubleshoot and fix any problems that occur during the manual file copy than during the message export if the remote Exchange 2007 server exists in a different domain, forest, or subnet.

You should also consider the items in the following list as you plan to export queued messages to files for resubmission:

  • The export of messages from a queue doesn't remove the messages from the queue. After you export the messages and successfully resubmit them by using the Replay directory, you should remove the suspended messages to avoid duplicate message delivery. For more information about how to remove messages from a queue, see How to Remove Messages from Queues.
  • You can export messages to files by using automatic file naming if you specify an export path to a directory that already exists. If the target directory already exists, the file name of each message is automatically set to InternalMessageID.eml where InternalMessageID is the message identifier that is assigned by the Exchange 2007 server that is currently processing the message.
  • If message files are to be processed by the Replay directory, they must meet the following requirements:
    • The file must be plain text format. MIME extensions are supported.
    • The file must have an .eml file name extension.
    • The file must have at least one valid e-mail address in the X-Sender: header field, and one valid e-mail address in the X-Receiver: header field.
    Messages exported from Exchange 2007 queues are already formatted correctly for the Replay directory.
  • The default location for the Replay directory on a Hub Transport or Edge Transport server is C:\Program Files\Microsoft\Exchange Server\TransportRoles\Replay. You can change this location by using the ReplayDirectoryPath parameter in the Set-TransportServer cmdlet. If the value of ReplayDirectoryPath is set to $null, the Replay directory is disabled.
  1. Run the following command:

    Get-Message -Queue "<QueueIdentity>" | Export-Message -Path "<LocalReplayDirectoryPath>"
    

    For example, to export a copy of all the messages from the "Contoso.com" remote delivery queue on the local Exchange 2007 server to the default Pickup directory, run the following command:

    Get-Message -Queue "contoso.com" | Export-Message -Path "C:\Program Files\Microsoft\Exchange Server\TransportRoles\Replay"
    
  2. After you have verified successful message delivery, remove the suspended messages that you exported from the queue on the source Exchange 2007 server.

  1. Run the following command:

    Get-Message -Queue "<QueueIdentity>" | Export-Message -Path "<LocalDirectoryPath>"
    

    For example, to export a copy of all the messages from the "Contoso.com" remote delivery queue on the server named Exchange01 to the directory "C:\Contoso Export" on the local computer, run the following command:

    Get-Message -Queue "Exchange01\contoso.com" | Export-Message -Path "C:\Contoso Export"
    
  2. Copy the exported message files to the Replay directory on another Hub Transport server or Edge Transport server.

  3. After you have verified successful message delivery, remove the suspended messages that you exported from the queue on the source Exchange 2007 server.

For detailed syntax and parameter information, see Get-Message.

For more information about queues, see Managing Queues.

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.
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