Although Windows Phone 7 is "consumer focused" with only light enterprise support (for now, future updates look to address this weakness), Microsoft is still interested in courting those in the non-consumer environment. In addition to their general WP7 for Business Page, Microsoft has just posted several specific articles to help IT Professionals integrate Windows Phone 7 in a business environment. The guides, which can be downloaded in PDF form, include Internet Explorer, Exchange integration, and security management.

A complete overview and list can be found here

Source: Microsoft; via: WindowsPhoneSecrets