REQUIRED = SQLInstance - Instance name like: COMPUTER\Instance1 DBType - Database type name "Operations Manager Database" ...

REQUIRED
========
SQLInstance        - Instance name like: COMPUTER\Instance1
DBType             - Database type name "Operations Manager Database" or 
                     "Operations Manager Data Warehouse Database"

OPTIONAL
========
DBName             - database name - defaults to db type default value
DBSize             - database size (int value) defaults to the db type 
                     default value
DBPath             - path to the db file - defaults to the DATA path for 
                     the server
LOGPath            - path to the log file - defaults to the LOG path for 
                     the server
DBCreate           - if no, we only run the scripts - defaults to yes

"Operations Manager Database" installs additional parameters
============================================================
ManagementGroup    - Name of the management group (required)
UserGroup          - Operations manager administrators user group (required)
AutoErrorReport    - True automatically report errors to Microsoft
                     False prompt the user before reporting errors
                     (optional) if note specified, error reporting is 
                                disabled.