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Resolve Error Code A-xxx in Agent Workspace - Frequently asked questions

Discover solutions to common issues with Error Code A-xxx in Zendesk's Agent Workspace. This page addresses multiple FAQs to help you troubleshoot effectively.

Frequently asked questions

What caused the Zendesk service incident on June 25, 2024?

The Zendesk service incident on June 25, 2024, was caused by an unexpected surge in HTTP requests. This surge led to a 'thundering herd' effect, overwhelming the Agent Graph server connections and causing readiness probes to fail. The Lotus…

How long did the Zendesk service disruptions last on June 25, 2024?

The service disruptions on June 25, 2024, typically lasted an average of 2 minutes. These disruptions occurred between 15:40 and 15:47 UTC, impacting customers across multiple pods. During this time, agents encountered 'Messages not found' errors…

What errors did Zendesk agents encounter during the June 2024 incident?

During the June 2024 incident, Zendesk agents encountered 'Messages not found' errors and 'Error code A_xxx' messages. These errors occurred when agents tried to load tickets in the Support Agent Workspace, disrupting their workflows and making it…

What measures did Zendesk take to resolve the June 2024 incident?

To resolve the June 2024 incident, Zendesk implemented several preventive measures. These included a Connection and Request Rate Limiter to regulate incoming traffic and steps to enhance the resilience of the Agent Graph during caching failures….

What are the future strategies to prevent Zendesk service disruptions?

Zendesk has planned several strategies to enhance system stability and prevent future disruptions. These include implementing a smoke test to alert the technical team about readiness probe failures, advising developers on fetching patterns,…

How did Zendesk ensure system stability after the June 2024 incident?

After the June 2024 incident, Zendesk made adjustments on July 10th to prevent request buildup issues, which successfully stabilized the system. By July 12th, performance had improved, and by July 15th, no further performance bumps or spikes were…

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