Current Status: Engineers have identified a code issue causing new user account activation to fail. A code change is being deployed, which will remediate impact.
User Impact: Affected Office 365 users cannot activate new user accounts.
Customer Impact: Analysis of incident scope indicates that a very limited number of customers and users appear to be impacted. No customer reports of the issue have been identified at this time.
Next Update by: Wednesday, January 6, 2016, at 2:00 PM UTC