HP Intelligent Management Center (IMC) is a modular, comprehensive resource management platform. With its extensive device support, IMC provides true end-to-end management for the entire network, and entire operation cycle. TACACS+ Authentication Manager (TAM) is an IMC module, which provides basic authentication, authorization and accounting functions for network device or IT users in order to assure the security of network device management. TAM, which utilizes the TACACS+ protocol, can assign device users different privileges, monitor login and command execution operations, and simplifies user management. TAM works with devices which support TACACS+ protocol.