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Facebook says root cause of outage was faulty configuration change
Published by maria gbaf
Posted on October 5, 2021
1 min readLast updated: January 31, 2026
Global Banking & Finance Review®
Company
Published by maria gbaf
Posted on October 5, 2021
1 min readLast updated: January 31, 2026
A faulty configuration change on Facebook's routers caused a six-hour outage, affecting 3.5 billion users globally.
(Reuters) – Facebook Inc on Monday cited faulty configuration changes on its routers as the root cause of the nearly six-hour outage that prevented the company’s 3.5 billion users from accessing its social media and messaging services.
“Our engineering teams have learned that configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues that interrupted this communication,” Facebook said https://engineering.fb.com/2021/10/04/networking-traffic/outage in a blog post.
(Reporting by Aakriti Bhalla in Bengaluru; Editing by Ramakrishnan M.)
The article discusses the cause of Facebook's recent outage, which was due to faulty configuration changes on its routers.
The Facebook outage lasted nearly six hours.
The outage was caused by faulty configuration changes on Facebook's backbone routers.
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