Dell - Support Windows Server™ 2003 Service Pack 1

Dell - Support: "What is Microsoft� Windows Server™ 2003 Service Pack 1 (SP1) and what should I know about its deployment?"

Because the network connection to the target system is blocked
during a remote OS deployment, the system administrator must
physically visit the system console or use a Dell remote access
controller (RAC) to finish the PSSU. After the PSSU, the network
security policy is unloaded and Windows Firewall services will be
turned off to the default state.
TCP port 445 is blocked when Windows Firewall