For months, Microsoft watchers have voiced concerns that delays in the company's introduction of its Yukon database software could derail other products, including a new version of Windows, code-named Longhorn.

Microsoft is trying to clarify its plans for new storage technology, the core of many of its future products. If the company stumbles with Yukon--essentially, the technology's proof-of-concept--then Microsoft's product plans and revenue projections could be affected.

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