R12 Upgrade "Step: Compile and generate using adadmin"

Hopefully someone has already come across this and has some suggestions.

I am following the Maintenance Wizard for the R12 upgrade from 11.5.10 and am in the "11i Pre Upgrade Patching" stage

I've applied the merged patch for 4963569, 5259121, 5382135 and 6727612

The step below the merged patch advises to run the following using adadmin

1 - Generate Applications Files menu
- 1 - Generate message files
- 2 - Generate forms files
- 3 - Generate report files
- 4 - Generate graphics files
- 5 - Generate product JAR files
3 - Compile/Reload Applications Database Entities menu
- 1 - Compile APPS schema
- 2 - Compile menu information
- 3 - Compile flexfields
- 4 - Maintain Applications Database Entities menu