Prepare your Source Server for migration

Complete the following steps to ensure that the settings and data on your Source Server migrate successfully to the Destination Server.

• Back up the Source Server
  
  
• Verify the network configuration
  
  
• Evaluate the health of the Source Server
  
  
• Optimize Exchange Server 2003 mailbox sizes for Windows SBS 2008 Migration
  
  
• Run the Migration Preparation Tool for Windows SBS 2008 migration
  
  
• Plan to migrate line-of-business applications for Windows SBS 2008 migration