Tuesday, 27 November 2018 05:42

Microsoft's Exchange Online service goes missing Featured

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Microsoft's Exchange Online service goes missing Pixabay

Users of Microsoft's Exchange Online service have been unable to access email since 10.10am UTC (9pm Monday AEDT), with the company promising another update in about eight hours.

In a notice, Microsoft said users were unable to connect to the Exchange Online service through a number of protocols.

It said traffic was being rerouted to alternate infrastructure to address potential packet loss and to rebalance the load that was not being processed as expected.

The issues with Exchange Online come a week after the company's cloud customers found themselves locked out of their accounts.

That 19-hour outage was finally resolved by the company resorting to an age-old remedy that has been used for Windows systems – rebooting.

With regard to the current outage, Microsoft said it was also continuing to review its network infrastructure to see if other factors were adding to the problem.

The company has now released details about last week's outage. It said there were three root causes, two of which were issues on the multi-factor authentication front-end server, caused by a code update.

Details of the issues are available here.

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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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