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This procedure can be used after a simplified upgrade.

Note

You must rollback to Java 8 before you downgrade to Image Removed 8.3 or earlier.

To revert to a previously installed version, execute the following procedure:

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Set the environment variables JAVA_HOME and PATH according to the system requirements of the restored version.

Note

You must rollback to Java 8 before you downgrade to Image Added 8.3 or earlier.

Info

title	Example - Setting Environment Variables

Code Block

language	text
theme	Eclipse

$ export MZ_HOME=/opt/mz  
$ export JAVA_HOME=/opt/jdk/jdk1.8.0_121  
$ export PATH=$JAVA_HOME/bin:$MZ_HOME/bin:$PATH

Start the Platform and all ECs.
Code Block
$ mzsh startup platform <ec names> ...
Import the configurations that were exported in the old version prior to the upgrade.
Code Block
$ mzsh mzadmin/<password> systemimport <backup directory>/<filename>
Start the real-time workflows.
Enable the Workflow Groups.

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