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Create an Application Insights resource

Caution

This article applies to Application Insights Classic resources, which are no longer recommended.

The information in this article is stale and won't be updated.

Transition to workspace-based Application Insights to take advantage of new capabilities.

Application Insights displays data about your application in an Azure resource. Creating a new resource is part of setting up Application Insights to monitor a new application. After you've created your new resource, you can get its instrumentation key and use it to configure the Application Insights SDK. The instrumentation key links your telemetry to the resource.

Important

On February 29, 2024, support for classic Application Insights will end. Transition to workspace-based Application Insights to take advantage of new capabilities. Newer regions introduced after February 2021 don't support creating classic Application Insights resources.

Note

On March 31, 2025, support for instrumentation key ingestion will end. Instrumentation key ingestion will continue to work, but we'll no longer provide updates or support for the feature. Transition to connection strings to take advantage of new capabilities.

Sign in to Azure

If you don't have an Azure subscription, create a free account before you begin.

Create an Application Insights resource

Sign in to the Azure portal and create an Application Insights resource.

Screenshot that shows selecting the + sign in the upper-left corner, Developer Tools, and Application Insights.

Settings Value Description
Name Unique value Name that identifies the app you're monitoring.
Resource group myResourceGroup Name for the new or existing resource group to host Application Insights data.
Region East US Select a location near you or near where your app is hosted.
Resource mode Classic or Workspace-based Workspace-based resources allow you to send your Application Insights telemetry to a common Log Analytics workspace. For more information, see Workspace-based Application Insights resources.

Note

You can use the same resource name across different resource groups, but it can be beneficial to use a globally unique name. If you plan to perform cross-resource queries, using a globally unique name simplifies the required syntax.

Enter the appropriate values in the required fields. Select Review + create.

Screenshot that shows entering values in required fields and the Review + create button.

After your app is created, a new pane displays performance and usage data about your monitored application.

Copy the instrumentation key

The instrumentation key identifies the resource that you want to associate with your telemetry data. You need to copy the instrumentation key and add it to your application's code.

Install the SDK in your app

Install the Application Insights SDK in your app. This step depends heavily on the type of your application.

Use the instrumentation key to configure the SDK that you install in your application.

The SDK includes standard modules that send telemetry, so you don't have to write any more code. To track user actions or diagnose issues in more detail, use the API to send your own telemetry.

Create a resource automatically

Use PowerShell or the Azure CLI to create a resource automatically.

PowerShell

Create a new Application Insights resource.

New-AzApplicationInsights [-ResourceGroupName] <String> [-Name] <String> [-Location] <String> [-Kind <String>]
 [-Tag <Hashtable>] [-DefaultProfile <IAzureContextContainer>] [-WhatIf] [-Confirm] [<CommonParameters>]

Example

New-AzApplicationInsights -Kind java -ResourceGroupName testgroup -Name test1027 -location eastus

Results

Id                 : /subscriptions/{subid}/resourceGroups/testgroup/providers/microsoft.insights/components/test1027
ResourceGroupName  : testgroup
Name               : test1027
Kind               : web
Location           : eastus
Type               : microsoft.insights/components
AppId              : 8323fb13-32aa-46af-b467-8355cf4f8f98
ApplicationType    : web
Tags               : {}
CreationDate       : 10/27/2017 4:56:40 PM
FlowType           :
HockeyAppId        :
HockeyAppToken     :
InstrumentationKey : 00000000-aaaa-bbbb-cccc-dddddddddddd
ProvisioningState  : Succeeded
RequestSource      : AzurePowerShell
SamplingPercentage :
TenantId           : {subid}

For the full PowerShell documentation for this cmdlet, and to learn how to retrieve the instrumentation key, see the Azure PowerShell documentation.

Azure CLI (preview)

To access the preview Application Insights Azure CLI commands, you first need to run:

 az extension add -n application-insights

If you don't run the az extension add command, you see an error message that states: az : ERROR: az monitor: 'app-insights' is not in the 'az monitor' command group. See 'az monitor --help'.

Run the following command to create your Application Insights resource:

az monitor app-insights component create --app
                                         --location
                                         --resource-group
                                         [--application-type]
                                         [--kind]
                                         [--tags]

Example

az monitor app-insights component create --app demoApp --location westus2 --kind web --resource-group demoRg --application-type web

Results

az monitor app-insights component create --app demoApp --location eastus --kind web --resource-group demoApp --application-type web
{
  "appId": "87ba512c-e8c9-48d7-b6eb-118d4aee2697",
  "applicationId": "demoApp",
  "applicationType": "web",
  "creationDate": "2019-08-16T18:15:59.740014+00:00",
  "etag": "\"0300edb9-0000-0100-0000-5d56f2e00000\"",
  "flowType": "Bluefield",
  "hockeyAppId": null,
  "hockeyAppToken": null,
  "id": "/subscriptions/{subid}/resourceGroups/demoApp/providers/microsoft.insights/components/demoApp",
  "instrumentationKey": "00000000-aaaa-bbbb-cccc-dddddddddddd",
  "kind": "web",
  "location": "eastus",
  "name": "demoApp",
  "provisioningState": "Succeeded",
  "requestSource": "rest",
  "resourceGroup": "demoApp",
  "samplingPercentage": null,
  "tags": {},
  "tenantId": {tenantID},
  "type": "microsoft.insights/components"
}

For the full Azure CLI documentation for this command, and to learn how to retrieve the instrumentation key, see the Azure CLI documentation.

Override default endpoints

Warning

Don't modify endpoints. Transition to connection strings to simplify configuration and eliminate the need for endpoint modification.

To send data from Application Insights to certain regions, you need to override the default endpoint addresses. Each SDK requires slightly different modifications, all of which are described in this article.

These changes require you to adjust the sample code and replace the placeholder values for QuickPulse_Endpoint_Address, TelemetryChannel_Endpoint_Address, and Profile_Query_Endpoint_address with the actual endpoint addresses for your specific region. The end of this article contains links to the endpoint addresses for regions where this configuration is required.

Note

On March 31, 2025, support for instrumentation key ingestion will end. Instrumentation key ingestion will continue to work, but we'll no longer provide updates or support for the feature. Transition to connection strings to take advantage of new capabilities.


SDK code changes

Note

The applicationinsights.config file is automatically overwritten anytime an SDK upgrade is performed. After you perform an SDK upgrade, be sure to reenter the region-specific endpoint values.

<ApplicationInsights>
  ...
  <TelemetryModules>
    <Add Type="Microsoft.ApplicationInsights.Extensibility.PerfCounterCollector.QuickPulse.QuickPulseTelemetryModule, Microsoft.AI.PerfCounterCollector">
      <QuickPulseServiceEndpoint>Custom_QuickPulse_Endpoint_Address</QuickPulseServiceEndpoint>
    </Add>
  </TelemetryModules>
   ...
  <TelemetrySinks>
    <Add Name = "default">
      <TelemetryChannel>
         <EndpointAddress>TelemetryChannel_Endpoint_Address</EndpointAddress>
      </TelemetryChannel>
    </Add>
  </TelemetrySinks>
  ...
  <ApplicationIdProvider Type="Microsoft.ApplicationInsights.Extensibility.Implementation.ApplicationId.ApplicationInsightsApplicationIdProvider, Microsoft.ApplicationInsights">
    <ProfileQueryEndpoint>Profile_Query_Endpoint_address</ProfileQueryEndpoint>
  </ApplicationIdProvider>
  ...
</ApplicationInsights>

Regions that require endpoint modification

Currently, the only regions that require endpoint modifications are Azure Government and Azure China.

Region Endpoint name Value
Azure China Telemetry Channel https://dc.applicationinsights.azure.cn/v2/track
Azure China QuickPulse (Live Metrics) https://live.applicationinsights.azure.cn/QuickPulseService.svc
Azure China Profile Query https://dc.applicationinsights.azure.cn/api/profiles/{0}/appId
Azure Government Telemetry Channel https://dc.applicationinsights.us/v2/track
Azure Government QuickPulse (Live Metrics) https://quickpulse.applicationinsights.us/QuickPulseService.svc
Azure Government Profile Query https://dc.applicationinsights.us/api/profiles/{0}/appId

If you currently use the Application Insights REST API, which is normally accessed via api.applicationinsights.io, you need to use an endpoint that's local to your region.

Region Endpoint name Value
Azure China REST API api.applicationinsights.azure.cn
Azure Government REST API api.applicationinsights.us

Next steps