Outage in Temporal
Some customers in AWS us-east-1 may be seeing a small number of gRPC UNIMPLEMENTED errors
Resolved MajorIncident Report
Summary AI Generated
Temporal customers in AWS us-east-1 experienced gRPC UNIMPLEMENTED errors for 1.8 hours due to a proxy node replacement rollout. The rollout was halted to stop new errors from occurring, and the incident was resolved after a monitoring period.
We are currently investigating a small number of gRPC UNIMPLEMENTED errors being returned in the AWS us-east-1 region.
Components affected
Temporal us-east-1Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 05/05/2026 12:36AM
This incident has been resolved.
MONITORING
2 days ago - at 05/04/2026 11:23PM
The issue has been identified as being related to a proxy node replacement rollout which has been halted. We are currently monitoring the region but do not anticipate any new errors at this point.
INVESTIGATING
2 days ago - at 05/04/2026 10:50PM
We are currently investigating a small number of gRPC UNIMPLEMENTED errors being returned in the AWS us-east-1 region.
Latest Temporal outages
Some customers in us-west-2 may experience elevated rate of API errors and high latency - 2 days ago
Degraded Child Workflow Execution - 15 days ago
Small number of customers in AWS us-west-2 may experience delayed execution of schedules - about 1 month ago
Elevated latencies and errors in certain namespaces in AWS us-east-1 region - about 1 month ago
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