Overriding PSTDisableGrow

Article:HOWTO37645  |  Created: 2010-12-24  |  Updated: 2014-06-17  |  Article URL http://www.symantec.com/docs/HOWTO37645
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Overriding PSTDisableGrow

If the registry value PSTDisableGrow is enabled, you experience the following limitations in the use of Enterprise Vault:

  • Users cannot open Enterprise Vault shortcuts in Outlook.

  • The Vault Cache feature does not work because synchronization fails.

  • Client-driven PST migration does not work. For information about client-driven PST migration, see the Administrator's Guide.

You need to perform the following actions to override PSTDisableGrow.

  • For Outlook 2003 and Outlook 2007, request the appropriate Outlook hotfix from Microsoft and apply it. Note however that the hotfix may already have been applied as part of a Microsoft Update.

  • Enable the registry value PSTDisableGrowAllowAuthenticodeOverrides, which bypasses the PSTDisableGrow policy.

    You can set PSTDisableGrow in the following registry locations:

    • HKEY_CURRENT_USER\Software\Microsoft\Office\Office version\Outlook\PST. This location is the default location for PSTDisableGrow.

    • HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\Office version\Outlook\PST.

    You can only set PSTDisableGrowAllowAuthenticodeOverrides in the following registry location:

    • HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\Office version\Outlook\PST

When you enable PSTDisableGrowAllowAuthenticodeOverrides, it does not mean that users can create new PST files, or add items to existing PST files. PSTDisableGrowAllowAuthenticodeOverrides only enables the Outlook Add-In to perform these actions.

If PSTDisableGrow is enabled and PSTDisableGrowAllowAuthenticodeOverrides is not enabled, the Enterprise Vault Outlook Add-In displays a warning when it loads in Outlook.

To configure users' computers with PSTDisableGrowAllowAuthenticodeOverrides

  1. Install the latest Enterprise Vault Outlook Add-In on users' computers.

  2. Enable the registry value PSTDisableGrowAllowAuthenticodeOverrides in one of the following locations:

    • For Outlook 2003: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\11.0\Outlook\PST

    • For Outlook 2007: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\12.0\Outlook\PST

    • For Outlook 2010: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\14.0\Outlook\PST

    You must use one of the locations that are shown here. Note that unlike the default PSTDisableGrow locations these paths include the \Policies subkey.

    Both PSTDisableGrow and PSTDisableGrowAllowAuthenticodeOverrides must be of type REG_DWORD, and have a value of 1.

See About Vault Cache and Virtual Vault

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