Fb has stated that a “server configuration change” was responsible for the worst outage in its historical past.
It stated it had “triggered a cascading sequence of points” for its platforms, together with WhatsApp and Instagram.
The disruption, which lasted for greater than 14 hours, left most of its merchandise inaccessible across the globe.
It took the social community large a full day from when the issues started to supply any rationalization. It added that the whole lot was now again to regular.
“Yesterday, we made a server configuration change that triggered a cascading sequence of points,” fb stated.
“In consequence, many individuals had issue accessing our apps and providers.
“We’ve resolved the problems and our programs have been recovering over the previous few hours.
“We’re very sorry for the inconvenience and we recognize everybody’s endurance.”
Commentators have questioned the size of time it took the social community to subject an evidence for the disruption, which affected advertisers who’ve advertising campaigns on the platform in addition to customers.
Impartial safety analyst Graham Cluley instructed the BBC: “Fb’s motto at all times was once ‘transfer quick and break issues’. That is wonderful if you’re an progressive start-up, however when billions of individuals are utilizing your web site each month it is not a great way to run the enterprise.”
Some early reviews urged that the social community could possibly be underneath cyber-attack, one thing that Fb was fast to disclaim on rival platform Twitter.
“When widespread websites like these go darkish many individuals typically assume there should be a sinister rationalization – akin to a hacker assault,” stated Mr Cluley.
“Nevertheless, anybody who has labored in IT for any size of time is aware of that screw-ups are all too widespread. It would not at all times should be cyber-criminals who’re responsible.”