We have to follow below process to license a new product on existing R12 E-Business Suite.

Steps:
  1. License the product in License Manager.
  2. Generate product related components by ADADMIN.
1. License new product from License Manager:
To license the new product follow the below steps.
  • Login to E-Bisuness Suite.
  • Navigate to Oracle Application Manager > License Manager.
  • Click on ‘Product’ link under ‘License’ tab.
  • Select ‘License Application Product’ and ‘Continue’.
  • Check the product you want to license and complete the action in License manager.
  • Now the product is licensed in system, but not ready to use.
2. Generate product related files.
To generate product related files in system follow below steps.
  • Login to Application server with applmgr user.
  • Set environment file.
  • Run ADADMIN and choose below options:
  • Option 1 – generate Application Files Menu >
                                        1. Generate Message Files
                                        2. Generate Forms Files
                                        3. Generate Report Files
                                        4. Generate Product JAR Files
  • Return to Main Menu and choose Option 3 – Compile/Reload Applications Database Entities Menu >
                                        1. Compile APPS Schema
                                        2. Compile Menu Information
                                        3. Compile Flexfields
  • Return to Main Menu and exit from ADADMIN.
  • Run autoconfig.
Now we can successfully use the new product.