Azure naming · Microsoft.Insights/components

appi Application Insights

Application performance monitoring.

Naming constraints

CAF abbreviationappi
Resource typeMicrosoft.Insights/components
Length1–260 characters
CaseMixed case
Allowed charactersAny characters except % & \ ? / and control characters. Can't end with a space or period.
Uniqueness Resource group
SeparatorHyphen

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
appi-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('appi-${workload}-${env}-${region}-${instance}', 260)
Terraform local 
locals {
  name = substr(join("-", compact(["appi", var.workload, var.env, var.region, var.instance])), 0, 260)
}

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

« Action group Automation account »

Uniqueness scope

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

Open in the name generator

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