08/08/2011 10:12 am ET Updated Oct 08, 2011

Amazon, Microsoft Data Centers Downed By Lightning In Dublin

A lightning strike has caused power outages at the major cloud computing data hubs for Amazon and Microsoft in Dublin, Ireland. The incident has caused downtime for many sites using Amazon’s EC2 cloud computing platform, as well as users of Microsoft’s BPOS (Business Productivity Online Suite).

Amazon said that lightning struck a transformer near its data center, causing an explosion and fire that knocked out utility service and left it unable to start its generators, resulting in a total power outage.

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