>I am running NT4. Since I have installed the box, I have been following a good install order for NT Service Packs, Office Service Packs, hotfixes, Visual Studio Service Packs, MDAC, etc.
>
>Now I recently added another network adapter and know I need to apply NT4-SP6a again, but am unsure what other SPs I will have to install after that.
>
>Anyone?


SP6a contains all the stuff in the previous SPs. You shouldn't need to install another after that.