Question : using a batch file to change primary dns address

hello, I'm trying to use this batch file to automatically place a primary dns address within the Internet Protocol (TCP/IP) Properties window. this batch file works on most pc's but doesn't work on all of them. everyone here is using windows xp pro sp2. any suggestions?

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@echo off
REM - This prompts the user as to whether to switch the desktop to JFKD81
set userin=
cls
set /p userin=Do you want to switch to the LSF 9.1 environment? y/n :  
IF not %userin% == y goto else
cls
color 74
netsh interface ip set dns "Local Area Connection" static 192.168.1.29
ipconfig /flushdns
echo #
echo #
@echo          OB Software 9.1  ENVIRONMENT
echo #
echo #
pause
:else

Question : using a batch file to change primary dns address

Answer : using a batch file to change primary dns address

did u checked the local area connection name is same for all computers ?