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At Microsoft TechEd 2003, Microsoft announced two separate server developments: Exchange Server 2003 Release Candidate 1 (RC1) and the first beta of BizTalk Server 2004. Microsoft called BizTalk the first phase of its broader e-business vision, code-named “Jupiter.” Exchange was code-named “Titanium,” not Jupiter.

What Microsoft announced at TechEd 2003

BetaNews reported on June 2, 2003, that Microsoft made both announcements at its TechEd conference in Dallas: Exchange Server 2003 had reached RC1, and Microsoft had announced the first beta of BizTalk Server 2004. These were distinct products at different stages, not two versions of one server. BetaNews’s contemporary report covers the event.

Exchange Server 2003 RC1

RC1 means Release Candidate 1: a pre-release build identified as a candidate for the finished product, rather than a beta announcement or a statement that the final release had shipped. BetaNews described Exchange 2003 as a messaging and collaboration server and reported that the planned product would have Standard and Enterprise editions. The report said Enterprise was aimed at larger organizations needing support for more storage groups and databases.

BetaNews also described the RC1’s features as including cached mode, which synchronized a local mailbox copy in the background; MAPI enhancements; junk-mail filtering; and support for third-party virus scanners. These are features reported at the time, not a present-day recommendation or compatibility guarantee.

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BizTalk Server 2004 beta and Jupiter

In its June 2, 2003 announcement, Microsoft called Jupiter the code name for a next-generation e-business vision and described BizTalk Server 2004 as its first phase and foundation. The proposed later phase would bring together modules for content management, portal and commerce, personalization, and Web analytics. Microsoft’s announcement sets out that roadmap.

David Kiker, then Microsoft’s general manager for E-Business Servers, said BizTalk Server 2004 would provide “the strong foundation for ‘Jupiter’” and help companies build e-business solutions across corporate boundaries. That statement describes Microsoft’s ambition for the product and initiative in 2003; it does not establish that the full roadmap was ultimately delivered.

Why Jupiter and Exchange are easy to confuse

The headline places Jupiter and Exchange 2003 together because both were part of the TechEd news, but the names refer to different things. Microsoft’s October 8, 2002, Microsoft Exchange Conference announcement identified “Titanium” as Exchange’s code name and separately used “Jupiter” for its e-business servers. Microsoft’s MEC announcement makes that distinction explicit.

Item What it referred to Status in the 2003 announcement
Exchange Server 2003 Messaging and collaboration server; code-named Titanium RC1 reported at TechEd
BizTalk Server 2004 Microsoft’s e-business integration server First beta announced; identified as Jupiter’s first phase
Jupiter Code name for a broader e-business vision, not Exchange Announced roadmap with a planned later integration phase

What happened to the Jupiter roadmap

BetaNews reported on February 19, 2004, that Microsoft had suspended development of the broader Jupiter plan and would focus on shipping BizTalk Server 2004. That account is BetaNews’s later reporting; it should not be read as proof that Microsoft delivered the complete two-phase vision announced in 2003. BetaNews’s 2004 report describes the change.

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How to read the announcement today

This is a historical product announcement, not current deployment guidance. Exchange Server 2003 and BizTalk Server 2004 are legacy products, and the cited announcements do not establish their current support status, availability, or suitability for new systems. The useful distinction is historical: Exchange RC1 was one TechEd announcement; BizTalk beta was presented as the first phase of the separate Jupiter e-business initiative.

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