Office 365 Outage Underlines Cloud Vendor Business Continuity Issues

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Office 365 Outage

A 17-hour intermittent Microsoft Office 365 outage that prevented some customers from accessing their OneDrive accounts – coupled with a two hours of Outlook.com login problems – is emphasising the need for cloud-focused business continuity services.

Microsoft has yet to release a post-mortem of the failure. A spokesperson told said: “Some people may have experienced difficulties logging in to some services. All services have been fully restored.”

The OneDrive intermittent failure came just six days after “storage availability” issues plagued Microsoft’s Azure public cloud for over eight hours.

Microsoft said its engineering team identified a “storage cluster that lost power and became unavailable” affecting customers in the Eastern U.S.

Microsoft Outlook.com email, meanwhile, was inaccessible for some customers from 12:15 p.m. EST on March 21 to 2:30 p.m. EST., more than two hours.