1---2name: azure-messaging3description: Troubleshoot and resolve issues with Azure Messaging SDKs for Event Hubs and Service Bus. Covers connection failures, authentication errors, message processing issues, and SDK configuration problems. WHEN: event hub SDK error, service bus SDK issue, messaging connection failure, AMQP error, event processor host issue, message lock lost, message lock expired, lock renewal, lock renewal batch, send timeout, receiver disconnected, SDK troubleshooting, azure messaging SDK, event hub consumer, service bus queue issue, topic subscription error, enable logging event hub, service bus logging, eventhub python, servicebus java, eventhub javascript, servicebus dotnet, event hub checkpoint, event hub not receiving messages, service bus dead letter, batch processing lock, session lock expired, idle timeout, connection inactive, link detach, slow reconnect, session error, duplicate events, offset reset, receive batch.4license: MIT5---67# Azure Messaging SDK Troubleshooting89## Quick Reference1011| Property | Value |12|----------|-------|13| **Services** | Azure Event Hubs, Azure Service Bus |14| **MCP Tools** | `mcp_azure_mcp_eventhubs`, `mcp_azure_mcp_servicebus` |15| **Best For** | Diagnosing SDK connection, auth, and message processing issues |1617## When to Use This Skill1819- SDK connection failures, auth errors, or AMQP link errors20- Idle timeout, connection inactivity, or slow reconnection after disconnect21- AMQP link detach or detach-forced errors22- Message lock lost, message lock expired, lock renewal failures, or batch lock timeouts23- Session lock lost, session lock expired, or session receiver errors24- Event processor or message handler stops processing25- Duplicate events or checkpoint offset resets26- SDK configuration questions (retry, prefetch, batch size, receive batch behavior)2728## MCP Tools2930| Tool | Command | Use |31|------|---------|-----|32| `mcp_azure_mcp_eventhubs` | Namespace/hub ops | List namespaces, hubs, consumer groups |33| `mcp_azure_mcp_servicebus` | Queue/topic ops | List namespaces, queues, topics, subscriptions |34| `mcp_azure_mcp_monitor` | `logs_query` | Query diagnostic logs with KQL |35| `mcp_azure_mcp_resourcehealth` | `get` | Check service health status |36| `mcp_azure_mcp_documentation` | Doc search | Search Microsoft Learn for troubleshooting docs |3738## Diagnosis Workflow39401. **Identify the SDK and version** — Check the prompt for SDK and version clues; if not stated, proceed with diagnosis and ask later if needed412. **Check resource health** — Use `mcp_azure_mcp_resourcehealth` to verify the namespace is healthy423. **Review the error message** — Match against language-specific troubleshooting guide434. **Look up documentation** — Use `mcp_azure_mcp_documentation` to search Microsoft Learn for the error or topic445. **Check configuration** — Verify connection string, entity name, consumer group456. **Recommend fix** — Apply remediation, citing documentation found464748## Troubleshooting Guides4950Connectivity, SDK, and auth troubleshooting guides are located in the azure-diagnostics skill under `troubleshooting/messaging/`.5152## References5354- Use `mcp_azure_mcp_documentation` to search Microsoft Learn for latest guidance.
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