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Amazon Web Services restored in Japan after 6-hr. disruption affecting airline, financial sectors

All Nippon Airways aircraft are seen lined up at Haneda Airport. (Mainichi/Kenji Yoneda)

TOKYO -- Amazon Web Services (AWS) have been restored about six hours after cloud connectivity issues in Japan began on the morning of Sept. 2 and affected a broad range of services, from those at securities companies to airlines.

    The U.S.-based Amazon Web Services Inc. announced that the network failure, which started at around 7:30 a.m. on Sept. 2, was restored at 1:42 p.m. the same day.

    As a result of the AWS failure, customers with major online securities companies including SBI Securities Co. and Rakuten Securities Inc. had trouble logging onto services on the morning of Sept. 2.

    According to SBI Securities, customers were unable to log on to applications for trading investment trusts and other products, and stock price information on some websites could not be displayed.

    Additionally, airlines have also been experiencing problems that were apparently caused by AWS network failures. All Nippon Airways Co. reported a system failure in the check-in process from around 11:30 a.m., and as of 1:30 p.m., eight domestic flights were delayed, some by as much as 13 minutes. The system was restored as of 1:30 p.m.

    Japan Airlines Co. also experienced a system error from around 7:30 a.m., and had trouble processing information for cargo to be loaded on passenger planes. As of 1 p.m., the system had not been restored. There was no impact on passenger aircraft operations.

    In August 2019, AWS also suffered a massive communications failure at its data center in the Kanto region in eastern Japan. It was caused by server overheating from a faulty cooling system, and resulted in temporary outages on smartphone payment app PayPay, mobile games, and the Uniqlo online store.


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