If you are integrating the Update Rollup 1 for Windows 2000 SP4 into a network share to install from a DOS boot floppy, you are going to get
Setup was unable to copy the following files:
errors for several files. The way to fix this, according to knowledge base article 890206 is to edit DOSNET.INF and remove all the lines in the [Files] section that have d1,UNIPROC in them. You might also want to remove the lines that have d1,wms.
You’d think someone would have tested this before shipping this out the door….