Locked out and totally down: Facebook’s scramble to fix a massive outage – Alex Heath

Illustration by Alex Castro / The Verge

A prolonged, global outage of Facebook’s apps sent the company’s engineers scrambling to fix the issue at one of its data centers in California, according to two people familiar with the situation.

The outage, which began around 11:40AM ET on Monday, brought down all of Facebook’s apps — including Instagram and WhatsApp — globally, affecting billions of users and millions of advertisers. Inside Facebook, the outage also broke nearly all of the internal systems that employees use to communicate and work. As of 6PM ET, it appears that most of the services are back online.

Several employees told The Verge they resorted to talking through their work-provided Outlook email accounts since Facebook mainly runs on an internal version of the…

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