When you try to install the Exchange Server 2010 Mailbox role, the installation process fails
Log Name: Application Source: MSExchangeSetup Date: 6/5/2009 5:24:30 PM Event ID: 1002 Task Category: (1) Level: Error Keywords: Classic User: N/A Computer: computer.exchange.com Description: The description for Event ID 1002 from source MSExchangeSetup cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. […]