Azure naming · Microsoft.Insights/actionGroups

ag Action group

Who gets notified, and how, when an alert fires.

Naming constraints

CAF abbreviationag
Resource typeMicrosoft.Insights/actionGroups
Length1–260 characters
CaseMixed case
Allowed charactersAny characters except : < > + / & % \ ? | and control characters. Can't end with a space or period.
Uniqueness Resource group
SeparatorHyphen
Watch out: The short name used in SMS and email is a separate field limited to 12 characters.

Source: Microsoft Learn, “Naming rules and restrictions for Azure resources”, checked October 2026. Abbreviation from the Cloud Adoption Framework.

Example & copy-ready

A worked name for workload app, env prod, region weu, instance 001.

Example name
ag-app-prod-weu-001 Valid
Validation regex for CI checks or pre-commit hooks (.NET and JavaScript) 
^(?=.{1,260}$)[^:<>+/&%\\?|]*[^:<>+/&%\\?|. ]$
Bicep naming expression 
var name = take('ag-${workload}-${env}-${region}-${instance}', 260)
Terraform local 
locals {
  name = substr(join("-", compact(["ag", var.workload, var.env, var.region, var.instance])), 0, 260)
}

Azure Policy can't evaluate regular expressions, so a policy can check the ag prefix but not the full format. Run the regex in your pipeline, or audit existing names on a schedule.

« Managed identity Application Insights »

Uniqueness scope

Unique within the parent resource group. The same name can be reused in a different resource group.

Open in the name generator

More in Management

All resource types