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Change Java version from manually installed to Wowza installed

We have several perpetual license Wowza Streaming Engine servers on Windows 2012 and 2016 that have been upgraded from 4.0.6 up to 4.7.6 that are still using the manually installed version of Java. What is the best way to for us to start using the Wowza installed Java during our upgrade to 4.7.7? We do not have a jre directory in the Wowza directory in Program Files (x86).

When you install the wowza server 4.7.7, it will come with the JRE - or you can remove the the environment variable that tells wowza Java is installed.

The installation wizard for the Wowza Streaming Engine 4.7.7 software automatically installs a server version of the Java Runtime Environment (JRE) that is required by Wowza Streaming Engine, making it easier to get your media server up and running.

If you can’t or don’t want to use the version of Java that installs with the Wowza Streaming Engine software, you can use a different JRE.

Wowza Streaming Engine software requires a JRE that supports deploying Java in server environments. Java 7 and 8 are supported but Java 8 is recommended. For information on how to install a different, supported version of Java and how to instruct the Wowza Streaming Engine installation to use it, see Manually install and troubleshoot Java on your Wowza media server.

Does this answer for you @Michael Thorpe?

If I run the 4.7.7 as an update after removing remove the the environment variable for will Wowza install Java? Or will I need to perform a clean full installation?