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I want to set environmental variables permanently through a batch file. Is there a command to set Permanent Environmental Variable (other than SETX) for Windows XP service pack 3?

command SETX JAVA_HOME="C:\java\jdk-1.4" is not supported in my machine. It is Windows XP service pack 3.

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you mean specifically via command-line? or will a control panel suffice? – quack quixote Apr 27 '10 at 4:59
I want to do it through the batch file since it should be done for several machines. – shyameniw Apr 27 '10 at 5:27
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up vote 2 down vote accepted

Per user settings command line:

% reg add KEY  /v JAVA_HOME /t REG_SZ /d "C:\java\jdk-1.4"

For user only settings replace KEY with:

HKCU\Environment

For per machine settings replace KEY with:

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment

(Attention: there is a space in the last key, quote it with " !)

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thanks I'll try that! – shyameniw Apr 27 '10 at 5:28
ah its working fine. thanks! – shyameniw Apr 27 '10 at 5:34
hey can u tell me where can i find similar commands like this one. – shyameniw Apr 27 '10 at 5:38
define "similar". modifying the registry? thats not so similar to, lets say, deleting files. best way to find things is to have a problem and to search for an answer here on superuser and, if nothing fits, ask your next question – akira Apr 27 '10 at 6:03
hey hey thank. Got what i wanted. Good work. Saved the day.Thanks again. – shyameniw Apr 27 '10 at 8:40
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