faq

Author: bwren

articles/azure-monitor/faq.md

@@ -93,6 +93,11 @@ Many resource providers are automatically registered, but you may need to manual
 ### Why am I am getting no access error message when opening Log Analytics from a VM? 
 To view VM Logs, you need to be granted with read permission to the workspaces that stores the VM logs. In these cases, your administrator must grant you with to permissions in Azure.
 
+## Metrics
+
+### Why are metrics from the guest OS of my Azure virtual machine not showing up in Metrics explorer?
+[Platform metrics](../insights/monitor-azure-resource.md#monitoring-data) are collected automatically for Azure resources. You must perform some configuration though to collect metrics from the guest OS of a virtual machine. For a Windows VM, install the diagnostic extension and configure the Azure Monitor sink as described in [Install and configure Windows Azure diagnostics extension (WAD)](platform/diagnostics-extension-windows-install.md). For Linux, install the Telegraf agent as described in [Collect custom metrics for a Linux VM with the InfluxData Telegraf agent](platform/collect-custom-metrics-linux-telegraf.md).
+
 ## Alerts
 
 ### What is an alert in Azure Monitor?