View source for Retain System Overview

==A Distributed Retain System==
A more complex Retain system can be made up of:
*Email cluster (multiple email servers. This could be individual post offices geographically distributed or a centralized Exchange DAG)
*Retain Server (There can be only one)
*Database cluster (multiple database servers)
*Retain Worker cluster (multiple workers on one or more servers)
*High Availablity Indexer cluster (multiple indexing servers, at least three)
*Reporting & Monitoring server (R&M on a separate server)

[[File:Retain_Overview_Distributed.png]]

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