71-663: Pro: Designing and Deploying Messaging Solutions with Microsoft Exchange Server 2010. If you pass the beta exam, the exam credit will be added to your transcript and you will not need to take the exam in its released form.
Registration begins: November 23, 2009
Beta exam period runs: December 1, 2009– December 21, 2009
Receiving this invitation does not guarantee you a seat in the beta; we recommend that you register immediately. Beta exams have limited availability and are operated under a first-come-first-served basis. Once all beta slots are filled, no additional seats will be offered.
Testing is held at Prometric testing centers worldwide, although this exam may not be available in all countries (see Regional Restrictions). All testing centers will have the capability to offer this exam in its live version.
You must register at least 24 hours prior to taking the exam.
Please use the following promotional code when registering for the exam: EPROJ
Receiving this invitation does not guarantee you a seat in the beta; we recommend that you register immediately.
Originally posted here
I have already signed up for this exam - it helps to get a personal invitation :)