How do you troubleshoot Azure Monitor when it fails?

When Azure Monitor fails, troubleshooting can be crucial to ensuring your applications and services are performing optimally. Here are some steps you can take to troubleshoot Azure Monitor issues:

1. Check Resource Health: Verify the health status of the resources you are monitoring. You can do this through the Azure portal under the 'Resource Health' section.
2. Review Metrics and Logs: Look at the metrics and logs being sent to Azure Monitor. Ensure that the data is being logged correctly and that there are no issues with the logging configuration.
3. Examine Alerts Configuration: Ensure that alerts are set up correctly and that the correct conditions are defined. Check the associated actions and notifications.
4. Inspect Diagnostic Settings: Make sure that diagnostic settings are enabled on your Azure resources and that logs are being sent to the correct Log Analytics workspace.
5. Review Quotas and Limits: Be aware of Azure Monitor's quotas and limits. If you exceed these, certain functionalities may stop working.
6. Utilize Azure Support: If the problem persists, consider contacting Azure support for additional help.

By following these steps, you can identify and resolve issues related to Azure Monitor effectively.