How to migrate Quark Publishing Platform 14.x Database or Repository to QPP NextGen

Product: Quark Publishing Platform (QPP) NextGen 

Solution: Please follow the below steps to migrate the QPP 14.x Database to QPP NextGen:

1. Upgrade the QPP 14.x database to QPP 15.0.
2. Now, run the Migration utility to move the assets from 14.x File system to AWS S3.
3. Migrate the above QPP 15.0 SQL DB to Postgres 11 (using migration tool).
4. Setup one QPP NextGen Tenant with blank Postgres.
5. Please take the backup of Postgres DB (of step 3).
6. Go to the Postgres container of Tenant created in Step-4.
7. Restore the Postgres which is backed up in step 5.
8. Recreate the content service so that it will take the Postgres.