By default, Microsoft Windows Small Business Server 2003 turns off the Microsoft Exchange Server 2003 writer for the Volume Shadow Copy service.
IMPORTANT: This article contains information about modifying the registry.
Before you modify the registry, make sure to create a back up of the registry and ensure that you understand how to restore the registry if a problem may occur.
For more information about how to back up, restore, and edit the registry, please review the relevant Microsoft Knowledge Base articles on support.microsoft.com
To turn on the Exchange writer, please refer the Microsoft article, 'How to turn on the Exchange writer for the Volume Shadow Copy service in Windows Small Business Server 2003?'
Also stop and restart the CA ARCserve D2D Web Service.