This section describes the detailed procedures to upgrade from Hosted Messaging and Collaboration version 4.0 to Hosted Messaging and Collaboration version 4.5.

Tasks Summary

  1. Upgrade Centralized Management
  2. Upgrade Service Provisioning
  3. Upgrade Hosted Exchange
  4. Upgrade Windows SharePoint Servers
  5. Upgrade Monitoring and Reporting
  6. Build Hosted Office Communications Server 2007