He blamed “networking issues” and said teams are “working as fast as possible to debug and restore as fast as possible.” Mike Schroepfer, Facebook’s outgoing chief technology officer, later tweeted “sincere apologies” to everyone impacted by the outage. Regarding the internal failures, Instagram head Adam Mosseri tweeted that it feels like a “snow day.”

The stricken content-delivery company in that case, Fastly, blamed it on a software bug triggered by a customer who changed a setting.įor hours, Facebook’s only public comment was a tweet in which it acknowledged that “some people are having trouble accessing (the) Facebook app” and said it was working on restoring access.

The last major internet outage, which knocked many of the world’s top websites offline in June, lasted less than an hour.

“This is epic,” said Doug Madory, director of internet analysis for Kentik Inc, a network monitoring and intelligence company. ET and was still not fixed more than six hours later. Facebook did not say what might have caused the outage, which began around 11:40 a.m.

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