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2. Disable all workflow groups, either from the Execution Manager in Desktop, or by entering the following command:

   Code Block
   $ mzsh mzadmin/<password> wfgropudisable \*

   Note
   title Note!
   If you use the wfgroupdisable command, make sure that you enable all system tasks again when you are done.

3. Stop all workflows.
    

4. Shut down all connected Desktops.
    

5. If you want to see which Desktops that are connected, you can use the following command:

   Code Block
   $ mzsh mzadmin/<password> pico -view

   Note
   title Note!
   This command will also display other pico instances, such as ECs.

6. Shut down the Platform and all ECs.

   Code Block
   $ mzsh shutdown Platformplatform <ec name> ...

7. Remove MZ_HOME.

   Code Block
   $ rm -rf $MZ_HOME

8. Restore the backup of MZ_HOME.

   Code Block
   $ cp -r <backup directory> $MZ_HOME

9. If you are downgrading a system using Oracle, restore the database backup.

   Note
   title Note!
   If you are using SAP HANA as the Platform database, you will need to disable TLS/SSL on the SAP HANA database before you downgrade your Platform. Refer to Downgrade on the Release Documentation for the steps.

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

   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

2. Start the Platform and all ECs.

   Code Block
   $ mzsh startup Platformplatform <ec names> ...

3. Import the configurations that were exported in the old version prior to the upgrade.      

   Code Block
   $ mzsh mzadmin/<password> systemimport <backup directory>/<filename>

4. Start the real-time workflows.
    

5. Enable the Workflow Groups.

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