Before changing hardware on site systems, all Configuration Manager 2007 services in use must be stopped.
To change site server hardware
Ensure that the site is properly backed up, and perform a test recovery in a test lab according to your disaster recovery plan.
Properly shut down the site server computer.
Change the hardware of the computer hosting the Configuration Manager site system components according to the hardware component documentation.
After the hardware has been changed, restart the computer and verify that the site is operating normally after site services are reinstalled by site component manager.