Exchange Server 2007 SP1: New maximum database cache size guidance for Hub Transport Server role

Exchange 2007 SP1 has a default transport database cache size of 128MB. This size doesn't allow as much dynamic growth as may be necessary on Hub servers with higher than normal message rates, or when an unexpected load from increased message size comes into a server. To better allow for cache growth, the new guidance […]

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Exchange 2007 SP1 has a default transport database cache size of 128MB. This size doesn't allow as much dynamic growth as may be necessary on Hub servers with higher than normal message rates, or when an unexpected load from increased message size comes into a server. To better allow for cache growth, the new guidance is to increase the DatabaseMaxCacheSize value from 128MB to 512MB on Hub servers with 4 GB or more memory installed.
Background

In Exchange 2007, the transport service utilizes the Extensible Storage Engine (ESE) for mail transport functionality. This provides several benefits over previous versions that used the NTFS file system:

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Deepak Gupta is a IT & Web Consultant. He is the founder and CEO of diTii.com & DIT Technologies, where he's engaged in providing Technology Consultancy, Design and Development of Desktop, Web and Mobile applications using various tools and softwares. Sign-up for the Email for daily updates. Google+ Profile.