Final Update: Wed 1/21/2015 07:00 AM UTC
We have experienced an issue with MSDN Subscriptions, Users could have face an intermittent access or connectivity issue while claiming product keys between 06:12 AM pm and 06:29 UTC today.
The issue has since been resolved and teams are actively investigating to prevent any recurrence.
We apologize for the inconvenience and appreciate your patience.
-MSDN Service Delivery Team