# [jboss-user] [Installation, Configuration & DEPLOYMENT] - Re: JAVA_HOME is not set. Unexpected results may occur.? JB

Fri Jul 25 02:36:48 EDT 2008

```anonymous wrote : No, I set it at system environment variable (the bottom one).
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| %JAVA_HOME% = C:\Program Files\Java\jdk1.5.0_15

Is this exactly how you set the JAVA_HOME? Then it is incorrect. There should be no % while setting the value.

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