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Exchange Online outage hits customers day after Lync outage

Updated at 4:45 p.m. ET: Microsoft is now reporting that its engineers have rerouted traffic to improve mail flow and that service recovery should shortly follow.

Just one day after Microsoft Lync customers experienced an outage, Exchange Online customers in North America are currently reporting a service disruption.

A number of customers took to Twitter and said they weren’t receiving email from the hosted email service. It’s unclear how many end users are affected by the outage as some say they still have a functional service, said Mary Jo Foley. Other end users experiencing the outage say the service health dashboard for Exchange Online has not shown any problems, she added.

As of 2:30 p.m. ET, Microsoft said it was aware of the outage and that its engineering team is working to resolve it, Foley said. There is no official word on what is causing the outage or why it appears to be affecting some customers and not others. One user noted that his dashboard says Microsoft will provide an update at 5 p.m. ET.

The Exchange Online outage comes on the heels of a widespread outage with the Lync service.  Microsoft released a statement about yesterday’s service disruption and said that the issue had stemmed from “network routing infrastructure issues.”

We’ll continue to follow this story and update this post with additional developments.

Have you been affected by the recent Lync and Exchange Online outages? What do you think? Let us know in the comments or on Twitter @ExchangeTT.

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