A system and method can support automatically deploying application components in a transactional middleware machine environment. A deployment center can receive one or more application packages, each of which contains binary files for one or more transactional servers and configuration information that describes relationship and parameters of the one or more transactional servers in the application package. The deployment center can further generate one or more distribution packages for each transactional middleware machine in the transactional middleware machine environment based on the one or more application packages. Then, the deployment center can deploy the one or more distribution packages to the plurality of transactional middleware machines in the transactional middleware machine environment.