Facebook said on Tuesday that routine maintenance of the company’s network connecting its data centers led to the collapse of its global system for more than six hours on Monday. block access for billions of users.
In a blog post, Facebook explained that its engineers had issued a command that inadvertently disabled all connections on its network, “effectively disconnecting Facebook data centers worldwide.”
Due to the outage, access to Facebook, Instagram and WhatsApp was closed worldwide.
It also caused employees to lose access to internal tools, including those used by Facebook employees to solve such problems, the company said.
Facebook added that its program audit tool contained a bug and was unable to stop the command that caused the outage.