RESOLVED: Amazon Web Services (AWS) Outage
Tuesday, October 21st, 2025
Incident Discovery Time: 10:28am on 10/20/2025
Time of Resolution: 03:45pm on 10/20/2025
Services Impacted: Server Infrastructure, Amazon Web Services (AWS)
Description of Impact
Multiple BU services were inaccessible or degraded during the Amazon Web Services (AWS) outage. Affected services: BUworks Reporting (SAC), websites, Blackboard/Echo and many more.
Incident Description and Resolution
AWS identified the root cause as “DNS resolution issues for the regional DynamoDB service endpoints”. The resolution was complicated/delayed by the amount of traffic attempting to utilize said endpoints once back online. Amazon temporarily throttled some services to prevent them from being overloaded.
https://health.aws.amazon.com/health/status
