It felt like half of the web was coping with a hangover from the morning of October 19 to the early hours of October 20. A extreme Amazon Net Providers outage took out many, many web sites, apps, video games and different companies that depend on Amazon’s cloud division to remain up and operating. That included a protracted checklist of well-liked software program like Venmo, Snapchat, Canva and Fortnite. Even Amazon’s personal assistant Alexa stuttered, and should you had been questioning why the web gave the impression to be in opposition to you — you were not imagining it. The excellent news is that, Amazon introduced by 6:53PM Japanese time on October 20 that it resolved the “elevated error charges and latencies for AWS Providers.”
The corporate stated it “recognized the set off of the occasion as DNS decision points for the regional DynamoDB service endpoints.” It bumped into extra issues because it tried to resolve the outage, but it surely was finally capable of repair every part. “By 3:01 PM, all AWS companies returned to regular operations,” it stated.
At about 4:30PM ET on October 20, issues gave the impression to be returning again to regular. Apps like Venmo and Lyft, which had been both gradual to reply or utterly nonresponsive earlier than, had been showing to behave easily.
As of 1:15PM ET on October 20, a number of companies had been unavailable, together with asking Alexa for the climate or to show off lights in your house. The Lyft app was additionally slower to reply than ordinary, and Venmo transactions weren’t finishing.
In keeping with the AWS service well being web page on the time, Amazon was trying into “elevated error charges and latencies for a number of AWS companies” within the US-EAST-1 area (i.e. knowledge facilities in Northern Virginia) as of three:11AM ET on Monday. By 5:01AM, AWS had discovered {that a} DNS decision challenge with its DynamoDB API was the reason for the outage. DynamoDB is a database that holds data for AWS shoppers.
At about 12:08PM ET, the corporate posted a small assertion that reiterated the above and added that the “underlying DNS challenge was absolutely mitigated at 2:24 AM PDT.” In keeping with the discover, some Amazon “clients nonetheless proceed to expertise elevated error charges with AWS companies within the N. Virginia (us-east-1) Area as a result of points with launching new EC2 situations.” Amazon additionally stated Amazon.com and Amazon subsidiaries, in addition to AWS customer support help operations have been impacted.
“Amazon had the info safely saved, however no person else might discover it for a number of hours, leaving apps quickly separated from their knowledge,” Mike Chapple, a educating professor of IT, analytics and operations at College of Notre Dame, advised CNN. “It’s as if giant parts of the web suffered short-term amnesia.”
As of 6:35AM, AWS stated it had absolutely mitigated the DNS challenge and that “most AWS Service operations are succeeding usually now.” Nevertheless, the knock-on impact prompted points with different AWS companies, together with EC2, a digital machine service on which many corporations construct on-line purposes.
At 8:48AM, AWS stated it was “making progress on resolving the problem with new EC2 occasion launches within the US-EAST-1 Area.” It really useful that shoppers not tie new deployments to particular Availability Zones (i.e. a number of knowledge facilities in a given area) “in order that EC2 has flexibility” in selecting a zone that could be a greater choice.
At 9:42AM, Amazon famous on the standing web page that though it had utilized “a number of mitigations” throughout a number of Availability Zones in US-EAST-1, it was “nonetheless experiencing elevated errors for brand spanking new EC2 occasion launches.” As such, AWS was “charge limiting new occasion launches to assist restoration.” The corporate added at 10:14AM that it was seeing “important API errors and connectivity points throughout a number of companies within the US-EAST-1 Area.” Even as soon as all the problems are resolved, AWS can have a major backlog of requests and different components to course of, so it’s going to take a while for every part to get well.
Many, many, many corporations use US-EAST-1 for his or her AWS deployments, which is why it felt like half of the web was knocked offline on Monday morning. As of mid-morning, tons of internet sites and different companies had been sluggish or providing up error messages. Outage studies for a broad swathe of companies spiked on Down Detector. Together with Amazon’s personal companies, customers reported points with the likes of banks, airways, Disney+, Snapchat, Reddit, Lyft, Apple Music, Pinterest, Fortnite, Roblox and The New York Occasions — sorry to anybody whose Wordle streaks could also be in danger.
Websites like Reddit have posted their personal standing updates, and although they do not explicitly point out AWS, it is potential that the companies’ paths could cross someplace within the pipelines.
AWS presents a number of helpful options to shoppers, reminiscent of the power for web sites and apps to mechanically scale compute and server capability up and down as wanted to deal with ebbs and flows in site visitors. It additionally has knowledge facilities around the globe. That type of infrastructure is enticing to corporations that serve a world viewers and want to remain on-line across the clock. As of mid-2025, it was estimated that AWS’ share of the worldwide cloud infrastructure market was 30 p.c. However incidents reminiscent of this spotlight that counting on only a few suppliers to be the spine of a lot of the web is a little bit of an issue.
Replace October 20, 2025, 9:21PM ET: This story has been up to date with Amazon’s newest replace that claims the problem has been resolved.
Replace, Oct 20 2025, 10:57AM ET: This story has been up to date to incorporate a brief checklist of companies affected within the intro.
Replace, Oct 20 2025, 11:17AM ET: This story has been up to date to incorporate a reference to Reddit’s personal standing replace web site.
Replace, Oct 20 2025, 1:15PM ET: This story has been up to date to incorporate a paragraph reflecting the standing of well-liked companies like Lyft, Venmo and Alexa, based mostly on our editors’ private experiences as of this time.
Replace, Oct 20 2025, 3:15PM ET: This story has been up to date to incorporate a brief assertion from Amazon describing a timeline of occasions, when the underlying challenge was mitigated and what elements of Amazon have been impacted.
Replace, Oct 20 2025, 4:30PM ET: This story has been up to date to mirror the standing of companies like Venmo and Lyft as of Monday afternoon.
