Hi Diosi, Richard,
Welcome to the Microsoft Q&A Platform! Thank you for asking your question here.
Yes, the TURNRelayAccessHealthCheck is still a valid health check for Azure Virtual Desktop (AVD), used to monitor the TURN relay service essential for real-time communications. However, Microsoft now recommends using Azure Monitor and AVD-specific diagnostic tools for comprehensive health checks, including monitoring session hosts and network components.
For more information, please refer to below documentation:
Send diagnostic data to Log Analytics for Azure Virtual Desktop
Troubleshooting overview, feedback, and support for Azure Virtual Desktop
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