Outage in Let's Encrypt
Degraded Performance for Production
Resolved Maintenance
May 09, 2023 - Started almost 3 years ago
- Lasted 2 days
Incident Report
We noticed low success rates and slow responses around 14:19 UTC. Starting investigation.
Components affected
Let's Encrypt ocsp.root-x1.letsencrypt.org Let's Encrypt acme-v02.api.letsencrypt.org (Production)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
almost 3 years ago - at 05/09/2023 02:40PM
We noticed low success rates and slow responses around 14:19 UTC. Starting investigation.
almost 3 years ago - at 05/09/2023 03:10PM
Source of problem identified, traffic returning to normal. Monitoring the situation.
almost 3 years ago - at 05/09/2023 04:29PM
Traffic has remained steady for the last hour and a half. Closing this incident.
almost 3 years ago - at 05/09/2023 07:57PM
Earlier fix seems not to have addressed the problem. Seeing low success rates and slow responses again. Investigating.
almost 3 years ago - at 05/09/2023 08:50PM
Still monitoring cause of alert. Traffic returned to normal since about 20:05 UTC.
almost 3 years ago - at 05/09/2023 11:43PM
While we have not seen any recurrences of the slowness, we're going to leave this incident in the monitoring state overnight in case anything unexpected happens.
Latest Let's Encrypt outages
Staging: Issuance stopped for incident drill - about 1 month ago
Production API Disruption - 4 months ago
High API Latency - 4 months ago
Production API Disruption - 7 months ago
API Partial Service Disruption - 8 months ago
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