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Integrations with Other Systems This chapter describes the following Polycom® Distributed Media 
Application™ (DMA™) 7000 system configuration topics related to 
integrating the system with external systems: 
•Microsoft Active Directory Integration 
•Microsoft Exchange Server Integration 
•Resource Management System Integration 
•Juniper Networks SRC Integration 
Microsoft Active Directory Integration
When you integrate the Polycom DMA system with your Microsoft Active 
Directory, the enterprise users (Active Directory members) become 
Conferencing Users in the Polycom DMA system. Each enterprise user is 
(optionally) assigned a conference room, or virtual meeting room (VMR). The 
conference room IDs are typically generated from the enterprise users’ phone 
numbers. 
Once integrated with Active Directory, the Polycom DMA system reads the 
directory information nightly to update the user and group information in its 
cache.You can force a cache refresh at any time using the Update button. 
Between updates, it accesses the directory only to authenticate login 
passwords. 
In a superclustered environment, one cluster is responsible for integrating 
with Active Directory and updating the cache daily, and the cache is available 
to all clusters through the replicated shared data store. The other clusters 
connect to Active Directory only to authenticate user credentials.