Resolution: TIBCO Administrator is a browser-based interface used for monitoring and managing resources in a TIBCO Domain. The Administrator as it is sometimes referred to in BusinessWorks documentation is a collective term for an Administration Server, a server process, and Administrator, its browser-based GUI. Administration Server consists of a repository server that stores domain resource information and servlets that run on an Apache Tomcat server that provide the http-based interface. Administrator GUI can be accessed using Microsoft Internet Explorer 5.5 or Netscape Navigator 6.1.