From CNET News.com: Microsoft has started testing the next version of its Exchange e-mail and calendar software, a product that Microsoft said is designed to run from the ground up as a hosted service that can work simultaneously with more than one business.
The new version, code-named E14, is in limited private beta testing as a traditional server product with "a select number" of businesses.
But Microsoft also recognized that traditional beta testing wouldn't help it much in getting a sense of the multi-tenant support. So starting in October 2007, the company started seeking out universities and schools willing to test E14 as part of Exchange Labs.
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