Try running this script on a failing XP machine:
Code:
If InGroup("Shiklolit_Group")
	udfMyUse("S:","\\dc\data$$\programs")
EndIf
 
If InGroup("Bezeq_Zahav_Group")
	udfMyUse("y:","\\dc\data$$\goldnet")
EndIf 
 
If InGroup("General_Data_Group")
	udfMyUse("m:","\\dc\data$$")
EndIf
 
Function udfMyUse($sDrive,$sPath)
	Use $sDrive /delete /persistent
	"Mapping drive "+$sDrive+" to '"+$sPath+"' "
	Use $sDrive $sPath
	If @ERROR
		"failed"+@CRLF+"Reason: ["+@ERROR+"] "+@SERROR+@CRLF
	Else
		"worked"+@CRLF
	EndIf
EndFunction