1) Install \x86\Setup\x86\SQLServer2005_BC.msi from the installation (Select DTS 2000 RunTime and SQL-DMO).

2) Download and install

http://download.microsoft.com/download/3/1/6/316FADB2-E703-4351-8E9C-E0B36D9D697E/SQLServer2005_DTS.msi

3) Copy SEMSFC.DLL, SQLGUI.DLL, SQLSVC.DLL

From C:\Program Files\Microsoft SQL Server\80\Tools\Binn

To C:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE

Change the path according to your SQL Server setup.

4) Copy SEMSFC.RLL, SQLGUI.RLL, and SQLSVC.RLL

From C:\Program Files\Microsoft SQL Server\80\Tools\Binn\Resources\1033

To C:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\Resources\1033

Change the path according to your SQL Server setup.

If you're using a language other than "US-English", copy the RLL files from your LCID.

Hope this helps

Gianluca