Before You Install SQL Server Express

Before you install Microsoft SQL Server 2005 Express Edition (SQL Server Express), make sure that you install the correct version of .NET Framework associated with SQL Server Express.

SQL Server Express Version .NET Framework version

SQL Server 2005 Express Edition - RTM

If you are installing SQL Server 2005 Express Edition, perform the following steps in order:

  1. Uninstall .NET Framework 1.2 and later versions from your computer (versions 1.0 and 1.1 do not have to be uninstalled). Then, install .NET Framework 2.0. from .NET Framework 2.0 Download Center.
  2. Install SQL Server 2005 Express Edition from the SQL Server Express Web site.

How to Identify the .NET Framework Version on your Computer

You can identify which .NET Framework version is on your computer in one of two ways:

  • If the version is 2.0, to identify the exact version, go to %WINDIR%\Microsoft.NET\Framework\version, right-click mscorlib.dll, click Properties, and then click Version.
  • Alternatively, on the Start menu, click Control Panel, open Administrative Tools, and then open .NET Framework 2.0 Configuration. At the top of the right pane, the .NET Framework version displays.

See Also


How to: Install SQL Server Express
How to: Uninstall SQL Server Express

Other Resources

Installing SQL Server Express

Help and Information

Getting SQL Server 2005 Assistance