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Improvements to Azure Monitor metric alerts



**Quota increase to 5K** The number of metric alert rules you can define in a subscription was increased to 5,000 rules. **Editing tags** Metric alert rules now support updates using the HTTP PATCH operation, which allows updating alert rule properties and [managing tags]( of existing metric alert rules. **Define an action group from another subscription** You can now define a metric alert rule that monitors a resource in one and is configured to trigger an action group that resides in another subscription. **New resource types enabled for metric alerts** Many [resource types]( were enabled for metric alerts (e.g. Maps Accounts, App Configuration, Event Grid System Topics). **Alert on virtual machine network metrics** Alerting on the following network metrics of virtual machines is now supported: Network In Total, Network Out Total, Inbound Flows, Outbound Flows, Inbound Flows Maximum Creation Rate, Outbound Flows Maximum Creation Rate. **Create an alert rule on a custom metric that hasn‘t been emitted yet** You can now create [alert rules on a custom metric even before it’s been emitted]( **Define up to five conditions for metric alert rules created via the Azure portal** You can now configure up to five multiple conditions in one alert rule, which “ands” the conditions together. **Exclude dimension values for metric alert rules created via the Azure portal** When defining an alert rule on a metric that exposes dimensions via the Azure portal, you can choose to exclude a dimension value by selecting the ' ' (exclude) operator. **PowerShell enhancements** When creating or updating a metric alert rule using the [Add-AzMetricAlertRuleV2]( cmdlet, you can associate it with an action group by simply assigning the -ActionGroupId parameter. Also, creating a metric alert rule that monitors an Application Insights availability test is now available via a dedicated PowerShell cmdlet [Add-AzWebtestAlertRule]( [Learn More]( * Azure Monitor * Features * [ Azure Monitor](