‘ant’ is not recognized as an internal or external command

ANT_HOME is not being resolved. Change %ANT_HOME%\bin in the Path system environment variable to c:\apache-ant\apache-ant-1.8.2\bin.

When Environment variables are changed log off and log in again so that it will be applied.

create a script including the following; (replace the ant and jdk paths with whatever is correct for your machine)

set  PATH=%BASEPATH%
set ANT_HOME=c:\tools\apache-ant-1.9-bin
set JAVA_HOME=c:\tools\jdk7x64
set PATH=%ANT_HOME%\bin;%JAVA_HOME%\bin;%PATH%

run it in shell.

I had a similar issue, but the reason that %ANT_HOME% wasn't resolving is that I had added it as a USER variable, not a SYSTEM one. Sorted now, thanks to this post.