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How to Configure PST Enterprise Client to Use a Static MAPI Profile for Uncoupled Processing

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This article refers to Barracuda PST Enterprise version 5.2 and higher. This article assumes you have a suitable MAPI profile; if not, you can manually create a MAPI profile using the Profman2 utility or using the Mail application in the Control Panel.

Use the steps in this article to force PST Enterprise to use a static MAPI profile to process uncoupled PST files.

Forcing the use of a specified profile causes data migration to the named mailbox, not necessarily the assigned PST owner. Use caution when using this setting to ensure you do not migrate data to unintended recipients.


The steps in this section involve editing the Windows machine registry. Using the Registry Editor incorrectly can cause serious, system-wide problems that may require you to re-install Windows to correct. Barracuda Networks cannot guarantee that any problems resulting from the use of the Registry Editor can be solved. Use this tool at your own risk. It is highly recommended that you create a backup of the registry before making any changes.

Version 5.2 and Higher

Complete the following steps on the machine where the PST Enterprise Client is running:

  1. On the user workstation, type: Regedit
  2. Click OK.
  3. Browse to HKEY_Current_User\Software\C2C Systems\PstProc\PstProc\Settings.
  4. Add a new STRING named OverrideUncoupledProfileNameWithoutCopying.
  5. Set the new key value to the name of the MAPI profile you want to use.
  6. Restart the PST Enterprise Client (if running) to ensure the change takes effect.

Version 5.1 and Earlier

Complete the following steps on the machine where the PST Enterprise Client is running:

  1. On the user workstation, type: Regedit
  2. Click OK.
  3. Browse to HKEY_Current_User\Software\C2C Systems\PstProc\PstProc\Settings.
  4. Add a new STRING named OverrideUncoupledProfileName.
  5. Set the new key value to the name of the MAPI profile you want to use.
  6. Restart the PST Enterprise Client (if running) to ensure the change takes effect.