Microsoft OST Sizing Guidance Changes

With the release of Outlook 2007 SP1 February 2009 cumulative update, Microsoft updates Mailbox Storage Sizing Guidance to reflect the improved performance and responsiveness when utilizing Cached Exchange Mode with respect to mailbox/OST sizes. If you are not using Cached Exchange Mode, then please review the following TechNet article.

More info: KB940226 | WinSAT documentation | Full Article