Your Login script could look like:
 Code:
@echo off

Setlocal 

REM *****************************************************
REM Find OS on workstation
REM Run login script
REM Depending on OS
REM *****************************************************

REM "Microsoft Windows [Version 6.1.7600]" = Windows 7
REM "Microsoft Windows [Version 6.1.7601]" = Windows 7 SP1
Ver | Find "6.1" > nul
If NOT errorlevel 1 Goto win_7

REM "Microsoft Windows [Version 6.0.6000]" = Vista
REM "Microsoft Windows [Version 6.0.6001]" = Vista SP1
Ver | Find "6.0" > nul
If NOT errorlevel 1 Goto win_Vista

REM "Microsoft Windows [Version 5.2.3790]" = Windows 2003 SP2
Ver | Find "5.2.3790" > nul
If NOT errorlevel 1 Goto win_2003

Ver | Find "NT" > nul
If NOT errorlevel 1 Goto Win_NT

Ver | Find "2000" > nul
If NOT errorlevel 1 Goto Win_2000

Ver | Find "XP" > nul
If NOT errorlevel 1 Goto Win_XP

Ver | Find "98" > nul
If NOT errorlevel 1 Goto Win_98

Ver | Find "95" > nul
If NOT errorlevel 1 Goto Win_95

Goto unknown_os

:win_7
wkix32 EBILOGON.kix
Goto end

:win_Vista
wkix32 EBILOGON.kix
Goto end

:win_2003
wkix32 EBILOGON.kix
Goto end

:win_NT
wkix32 EBILOGON.kix
Goto end

:win_2000
wkix32 EBILOGON.kix
Goto end

:win_XP
wkix32 EBILOGON.kix
Goto end

:win_98
%0\..\WKix32.exe %0\..\EBILOGON.kix
Goto end

:win_95
%0\..\WKix32.exe %0\..\EBILOGON.kix
Goto end

:unknown_os 

:end

The part with
 Code:
net use F: /del
net use G: /del
net use Y: /del
net use X: /del

can be put in your kixtart script