A TIBCO administration domain is a collection of users, machines, and components that an administration server manages. There is only one Administration Server for each administration domain. Components within an administration domain can communicate with systems outside of the domain, but the domain is the administrative boundary of your enterprise integration project.
Each administration domain has one and only one TIBCO Administration Server. The TIBCO Administration Server is the machine process that handles the stored projects and requests used to manage the TIBCO administration domain.