Update - 8/6/2012 - 8:50 AM PDT: Users are able to submit builds, however they are not flowing through the execution pipeline due to connectivity issues. A few steps are being performed to isolate the problem and zero-in on the issue. Look for updates within the next hour. We sincerely apologize for the inconvenience here.
Thank you
Madhu Kavikondala
We are investigating issues related to Elastic Build Service on TFS Preview - during this time it appears like users are unable to submit builds. We will keep you informed of our investigation here.
Thank you,
Madhu Kavikondala