Reinstalling Windows Small Business Server 2003 R2

Platí pro: Windows SBS 2003

This section provides step-by-step instructions for reinstalling the Microsoft Windows® Small Business Server 2003 R2 server software (Windows SBS 2003 R2) on a computer purchased through an original equipment manufacturer (OEM). To reinstall Windows SBS 2003 R2, you must complete a new installation.

You can also use this procedure if your server was purchased through an OEM but Windows SBS 2003 R2 was not preinstalled on it.

If your server was preinstalled with Windows SBS 2003 R2, follow the step-by-step instructions in "Complete the Configuration of Windows Small Business Server 2003 R2" earlier in this guide.

Completing a new installation of Windows SBS 2003 R2 requires the following steps:

  • Use discs 1 through 5 to install Windows SBS 2003 with SP1.

  • Complete the To Do List tasks.

  • Use the Premium Technologies discs (if you have purchased Windows SBS 2003 R2 Premium Edition) to install ISA Server 2004 with SP1 and/or SQL Server 2005 Workgroup Edition.


    If you install ISA Server 2004 with SP1, Setup prompts you to complete the Configuring E-mail and Internet Connection Wizard even if you completed it earlier during the To Do List tasks.

  • Use the R2 Technologies disc to install the Windows SBS 2003 R2 Technologies. For detailed instructions about installing the Windows SBS 2003 R2 Technologies, insert the R2 Technologies disc in a computer that is running Windows. When the Autorun page appears, click How to install.

For step-by-step instructions about completing a new installation, see Chapter 3A in "Getting Started: Windows SBS 2003 with SP1" at the Microsoft Web site (

Consider the following as you complete your new installation of Windows SBS 2003 R2:

  • During the text-mode portion of Setup, you are prompted to create a partition for the operating system. It is recommended that you create a partition of 25 GB or more. A partition size of 25 GB or more provides:

    • 15 GB for installation of Windows SBS 2003 with SP1 and of the server applications, including the Windows SBS 2003 R2 Technologies.

    • 10 GB for future growth of data.