kev the technician from my board made me a excel file for this it uses the DSADD USER & DSMOD USER command for .bat files then all you have to do is run it on the 2003 server.
Its acutally a very clever way to do it.
First off you create 7 columns. user id, first name, surname, intake year, full name, create user command and mod user, the clever bit is he used MATCH formula for the last two columns which automatically adds the info from the first five columns.
So basically what you type into the first 5 columns gets duplicated and added to the corresponeing field.
As far as i can remember the formula is something like this "&A2&".
ill have a look for the excel file and post it on here