If you need to install Active Directory or any Windows Components using Add/Remove Windows Components feature such as IIS in Windows Server 2003, there are certain files that need to be copied from the Windows Server Setup Disk and these files are stored inside the i386 folder. So everytime you install Windows Components you have to carry the Windows Installation Disk with you and define the path of that folder.
Here is the solution:
1. Copy the i386 folder in the System Driver (generally C: drive).
2. Open Registy Editor.
3. After you open the Registry Editor, navigate to :
Now you don't have to define the path everytime, required files will be copied from the i386 folder residing on the C drive automatically.