Rational Administrator is a tool for managing 
associations between rational artifacts such as test 
datastores, requisite pro projects, clear quest databases 
and rose models.
With the help of rational administrator we can:
Create and manage rational projects.
Create and maintain users and groups.
Upgrade project assets such as requisite pro databases and 
test datastores.
Enable a rational project for use with unified change 
management.

Ration Administrator is a tool which create a rational
project and that project is associated with the Rational
function.

Ration Administrator is a tool which create a rational
project and that project is associated with the Rational
function.

As a Rational Administrator You have to play the following 
roles

1. Configuring the VOB's hosts
2. Creating VOB's
3. Managing VOB's and Taking backups
4. Providing user and group authorisation
5. Monotoring integrity

It is used to create & manage projects & also stores your 
testing information.