Is Azure Active Directory becoming the Achilles Heel of Office 365?

In an outage that reminded many of the June 2014 problems that affected Exchange Online users in the U.S. for seven hours, the Azure Active Directory infrastructure serving Office 365 and other Microsoft cloud services in Europe experienced major problems on December 3. The effect of the outage was not uniform and appeared to be confined to Northern and Western Europe.

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Two years on: revisiting a conversation with Exchange development chief Perry Clarke

Two years ago, I spoke with Perry Clarke, the development chief for Exchange (both on-premises and cloud) to discuss the current state of Exchange and how its technology was likely to evolve. We know how the influence of the cloud has affected the way that product development occurs and how quickly things now happen. I thought it would be interesting to look back on how Exchange has evolved in the period.

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