You must install Windows SBS 2003 Service Pack 1
Platí pro: Windows SBS 2003
To install the Windows Small Business Server 2003 R2 Technologies, you must be running Service Pack 1 for Windows Small Business Server 2003 on this computer. To continue, install Service Pack 1 for Windows Small Business Server 2003, and then rerun Setup.
For more information about how to obtain Service Pack 1 for Windows Small Business Server 2003, see the Microsoft Web site (https://go.microsoft.com/fwlink/?LinkId=62638).