The prolonged outage of's EC2 cloud service late last month could set back adoption of hosted services by giving some companies -- especially those that are on the fence about migrating to the cloud -- a strong argument for taking it slowly.

For other organizations, Amazon's problems reinforced an already-held belief that cloud services can't match an enterprise IT operation when it comes to meeting the technology needs of business or government entities.

More than a week after the days-long partial outage started on April 21, Amazon released a detailed 5,700-word postmortem and mea culpa that identified the culprit as a configuration error that occurred during a network upgrade.

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