Parallel upgrade from v 9.5.0.x or version 10.x.x to v 10.2.1

How to upgrade your environment using a parallel upgrade procedure.

1. Converting default certificates , if you are using default certificates in your current environment. Use this procedure to convert the certificates from the JKS to the PEM format, then copy them to the workstations where you plan to install the server components (dynamic domain manager and its backups, master domain manager and its backups) and the Dynamic Workload Console.

   Certificates are now required when installing HCL Workload Automation. You can no longer install HCL Workload Automation without securing your environment with certificates.

2. Upgrading WebSphere Application Server Liberty
3. Encrypting passwords (optional)
4. Upgrading the Dynamic Workload Console and its database
5. Creating the HCL Workload Automation administrative user on the workstations which will host the components at 10.2.1 level.
6. Upgrading the database for the server components
7. Installing a new dynamic domain manager configured as a backup
   1. Switching the manager to the upgraded backup
   2. Making the switch permanent
8. Installing the new master domain manager configured as a backup
   1. Switching the manager to the upgraded backup
   2. Making the switch permanent
9. Customizing and submitting the optional FINAL job stream
10. Installing a new backup dynamic domain manager to replace the backup dynamic domain manager which you have switched to become the current dynamic domain manager.
11. Cleaning up your environment
12. Optionally dismiss all back-level components
13. Upgrading agents and domain managers
14. Optionally install a new backup master domain manager at version 10.2.1 to ensure failover capabilities.