Microsoft .Net Framework 3.5
   - Using Windows Update

WindowsServer2003-KB942288-v4-x86
   ( update windows installer)

WindowsServer2003-KB968930-x86-ENG
   ( Windows PowerShell )

SQLEXPRWT_x86_ENU
   setup SQL server

Optional - SQLManagementStudio_x86_ENU (included in step 5)
   Setup Management Studio

Firewall
* http://msdn.microsoft.com/nl-be/library/cc646023.aspx

   netsh firewall set portopening protocol = TCP port = 1433 name = "SQLPort TCP 1433" mode = ENABLE scope = SUBNET profile = CURRENT
   netsh firewall set portopening protocol = UDP port = 1433 name = "SQLPort UDP 1433" mode = ENABLE scope = SUBNET profile = CURRENT
   netsh firewall set portopening protocol = UDP port = 1434 name = "SQLPort UDP 1434" mode = ENABLE scope = SUBNET profile = CURRENT
   netsh firewall add allowedprogram "C:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\Binn\sqlservr.exe" "MS SQL server" Enable
   netsh firewall add allowedprogram "C:\Program Files\Microsoft SQL Server\90\Shared\sqlbrowser.exe" "MS SQL Browser" Enable