Intermittent connectivity issue from AWS Cognito

This incident has been resolved.

AWS Cognito is now fully operational, and the Client Portal is functioning normally.

Update from AWS:
"Dec 12 7:37 PM PST We are beginning to see signs of recovery. Customers may continue to receive ‘TooManyRequestsException“ while we work toward full resolution. We recommend continuing to retry any failed requests and will provide more information shortly. We expect full recovery within the next 30 minutes."

AWS has identified the root cause:
"Dec 12 7:17 PM PST We can confirm increased error rates for Amazon Cognito in the US-EAST-1 Region. We believe we have isolated the root cause to one of two potential issues. We are actively working in parallel to mitigate the issue, while continuing to verify the root cause. During this time, customers may be experiencing 400 Errors, receiving the error 'TooManyRequestsException'. We will provide an update within 30 minutes, or sooner if we have additional information to share. At this stage, we expect to see signs of recovery within the next 60 minutes."

We are seeing intermittent connectivity issues from AWS, specifically from the Cognito web service. This can impact end-customers' ability to log into their Client Portal. AWS has declared the issue on their status page and are investigating. https://health.aws.amazon.com/health/status