To administer Exchange Conferencing Server, you must have the following permissions.
To manage and configure site-wide conference settings, Conference Management Service, Data Conferencing Provider, Video Conferencing Provider, and all MCUs, you must have read and write permissions on the conferencing site.
To start and stop services, such as Conference Management Service, MCU service, or H.323 service, you must have permissions to stop and start services on the servers on which these services are installed. You need to be a member of the Domain Admins group or logged on with the domain administrator account.
To install the Exchange Conferencing Server components, and to create and manage the conference calendar mailbox and any conference resources, you must have permissions to create domain user accounts.