Apparently Microsoft didn’t read my article, Check your SSL certificate and domain name for expiration date:
http://www.customerparadigm.com/7-tips-to-get-your-website-ready-for-the-holidays-3-check-your-ssl-certificate-and-domain-name-for-expiration-date/
(Their entire cloud system crashed due to an expired SSL certificate.)
Here’s the Wired Article: Microsoft’s Cloud Goes Dark Across the Globe
http://www.wired.com/wiredenterprise/2013/02/microsoft-cloud-goes-poof/