Mandatory profile parameters for start up

Hi,

For ABAP/JAVA system ( 7.40) what are all the mandatory parameters to be present in default and instance profiles for starting up the services.

The ideal behind this question is to narrow down the system down issue and reducing the time of troublehooting.

By ensuring the parameters suggested, verify the profiles easily and go down to checking the memory parameters further.

I would appreciate your help.

Thanks in advance