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  1. Verify that you are running version 8.3.0.0 or later. You can check the current version by opening the About window in the Desktop, where the current version is listed in the Pico Version section. If the system is running an earlier version, you need to upgrade it to an 8.3.x version first. See the documentation space for the version you are currently running for more information.
      

  2. Install either Oracle JDK 17 or OpenJDK 17 the server(s) where the Platform Container and Execution Containers are running.

  3. Verify that the System Requirements are met. If the operating system, or database need to be upgraded, this should be done prior to the upgrade. This has to be done for all machines that are hosting the system.

  4. Ensure that the environment variables are set correctly:

Excerpt

Variable

Description

MZ_HOME

This environment variable specifies where the software is installed.

JAVA_HOME

This environment variable specifies where the JDK is installed.

PATH

This environment variable specifies the search path and must contain the following directories:

$JAVA_HOME/bin:$MZ_HOME/bin

Rw ui textbox macro
typetip

Example - Setting environment variables

Code Block
$ export MZ_HOME=/opt/mz 
$ export JAVA_HOME=//Library/Java/JavaVirtualMachines/jdk-17.0.2.jdk/Contents/Home
$ export PATH=$JAVA_HOME/bin:$MZ_HOME/bin:$PATH

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