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Microsoft Exchange Server 2013: Mailbox and High Availability by Tony Redmond

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Versions, cumulative updates, and service packs

Exchange 2007 marked a new approach to support, delivered in the form of updated code. Previous versions of Exchange focused on regular service packs, which became very large updates similar in many respects to the release of a new version of the product. The current approach divides updates into two kinds of releases for which you can plan:

  • Service packs (SP). Microsoft releases a new service pack for Exchange on average once a year. A service pack typically includes new functionality as well as fixes and is intended to mark a distinct point in a product’s development. In addition, a service pack provides customers with a release that they can target for installation at a suitable point in their ...

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