Facebook blamed a massive outage that stretched into Thursday morning on a server configuration change.
The world’s largest social network said it has resolved the issue, which affected millions of Facebook, Instagram and WhatsApp users starting Wednesday.
“We made a server configuration change that triggered a cascading series of issues. As a result, many people had difficulty accessing our apps and services,” the social media giant said in a statement. “Our systems have been recovering over the last few hours.”
Internet companies experience occasional outages, but this one was remarkable for its global spread and duration, lasting nearly 24 hours. The outage intermittently interrupted service on all of Facebook’s apps.
The problems began spreading at about 11 a.m. Eastern Time on Wednesday. Users reported service disruption in the United States, Japan, Australia and Mexico, according to DownDetector, a service that monitors outages. Facebook said Thursday the problem was triggered by a server configuration change it made on Wednesday.
Some Facebook users could log on but their news feeds were empty or they could not post updates. Some could see updates from their friends but could not comment or like them. On Instagram, profiles would not load. WhatsApp users reported not being able to send messages.
Frustrated users flocked to complain on Facebook rival Twitter, where one of the trending topics on Wednesday was #FacebookDown. Instagram announced early Thursday that service had been restored.
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