Enable Azure App Service Health Check from Azure CLI

Enable the health check feature via Azure CLI instead of manually through Azure Resource Explorer.

How Health Check Works

• Platform sends requests every ~1 minute to the configured endpoint
• Requests rotate round-robin across all VM instances behind the load balancer
• If Easy Auth is enabled, authentication is disabled for the health check endpoint only

Enable Health Check

Set the health check endpoint using az resource update:

az login  # if not already authenticated

az resource update \
  --ids /subscriptions/<SUBSCRIPTION_ID>/resourceGroups/<RESOURCE_GROUP_NAME>/providers/Microsoft.Web/sites/<APP_SERVICE_NAME>/config/web \
  --set properties.healthCheckPath="/health"

To find your resource ID: Navigate to Azure Resource Explorer → Your App Service → config → web.