Apex proposed an "Instance Migration" approach. This uses a tool that reads process instance data from a legacy environment and re-creates the legacy process instance in a new target environment without the need for any direct database migration.
The Apex team worked with the customer team to create a Process Instance migration tool that reads Process Instance data from a legacy environment and re-creates the legacy Process Instance in a new target environment.
Apex worked with client's BPM team and migrated 6 major processes into 6 process applications and associated toolkits. Migration of process applications, configuration information from Lombardi Teamworks 6.x to IBM BPM v8.0.1 platform