This is the mapping portion. The XP boxes appear to run the script, but none of the drives map.

use i: /d
use k: /d
use n: /d
use p: /d
use q: /d
use s: /d
use t: /d
use o: /d
use u: /d

;------------------Set System Time--------------------------
Shell "net time \\tsysdc1 /set /y"
;------------------Start Drive Mappings --------------------

;use i: "\\edcfp1\apps$"
use p: "\\rfcluster\public"
use q: "\\edcfp1\common$"
use u: "\\edcfp1\@userid" + "$"

if ingroup("NetG")
?"Mapping NetG Drive"
use g: "\\edcfp1\netg"
endif

if ingroup("Tech Support")
?"Mapping Tech Support Drive"
use m: "\\edcfp1\mvs$"
endif

if ingroup("Primavera")
?"Mapping Primavera Drive"
use o: "\\tsys-p3\Public"
endif

if ingroup("Network Control")
?"Mapping Network Control Drive"
use n: "\\ncfp1\common"
use s: "\\edcfp1\network$"
endif

if ingroup("Prognosis")
?"Mapping Prognosis Drive (X)"
use x: "\\edcfp1\prognosis$"
endif

if ingroup("Tech Support")
?"Mapping Tech Support Drive"
use t: "\\edcfp1\tech$"
endif