Gmail outage Tuesday affected up to 35 million

Google share issue plan. File photo dated 17/01/08 of the Google logo, as Google unveiled plans for a new class of shares in a move that will allow its billionaire founders to retain long-term control of the company. Issue date: Friday April 13, 2012. The internet search giant will give existing shareholders one new share for each one they own, but as the additional stock will not carry voting rights its co-founders Larry Page and Sergey Brin are set to retain their influence. See PA story CITY Google. Martin Keene/PA Wire

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Martin Keene/PA Wire
(ZDNET) Google suffered a massive Gmail outage Tuesday that affected up to 10 percent of its global users, leaving them unable to access their personal email accounts - and in some cases, their work email.

Full coverage of Google at Tech Talk

The outage began at 12:42 p.m. ET and lasted for more than an hour. While many Gmail and Google Apps users in the U.S. were left without access, it appeared that the UK, Europe, and Asia remained mostly unscathed by the outage.

Google initially said the outage affected less than 2 percent of the Gmail user base, with the estimated 5.3 million affected users "unable to access Google Mail." Half an hour later at 1:46 p.m. ET, Google said that the problem "should be resolved."

Later in the evening, Google hiked the figure and said the problem had caused "less than 10 percent" of its user base were left without their email.

The company noted on its Google Apps Dashboard: "it's possible that some users may experience message delays because affected accounts weren't available to receive messages. The messages will be successfully delivered after account access is restored."

Reports suggest that only the web interface was affected by the outage, while those using IMAP/POP connections in a third-party desktop client, or mobile users, could still access their accounts and email.

It's the first major outage since the end of October last year - beyond the occasional five-minute hiccup - where Gmail fell down for an hour.

Google was unavailable for comment at the time of writing.

The web giant achieved 99.984 percent uptime last year, according to its internal statistics, which stormed ahead of cloud computing competitor Microsoft, after the Redmond-based company suffered a series of high-profile outages of its own.

It came only a few days after the UK's advertising authority initiated an investigation into the claims Microsoft made about its cloud service reliability. The company has been quick to explain why many of its outages occurred, but nevertheless left many Office 365 customers without email or communications for periods of half-days at a time.

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    Zack Whittaker writes for ZDNet, CNET and CBS News. He is based in New York City.

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