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applicationgatewayskunotspecified.md

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title Troubleshoot ApplicationGatewaySkuNotSpecified Error Code
description Learn how to resolve ApplicationGatewaySkuNotSpecified error when you try to create or modify Azure Application Gateway.
ms.date 01/22/2026
editor giverm
ms.reviewer rimayber
ms.service azure-application-gateway
ms.custom sap:Issues with Create, Update and Delete (CRUD)

Troubleshoot ApplicationGatewaySkuNotSpecified Error

Symptom:

Application Gateway cannot be created or updated because the SKU (size) for the gateway has not been specified resulting in error ApplicationGatewaySkuNotSpecified

Cause:

The SKU (Standard or WAF) for the Application Gateway was not provided during the creation or configuration process.

Resolution:

  1. Verify SKU Settings:

    • Ensure that the correct SKU is specified when creating or configuring the Application Gateway.
      • For example, use Standard_v2 or WAF_v2 for newer SKU types.
      • Example configuration: 
        "sku": {
  "name": "Standard_v2",
  "tier": "Standard"
}

  2. Update Application Gateway Configuration:

    • If modifying an existing Application Gateway, update the SKU settings using the Azure Portal, CLI, or ARM template.

  3. Check ARM Template/CLI Command:

    • If using an ARM template or Azure CLI, ensure that the sku section is included correctly.
      • For CLI: 
        az network application-gateway create --name <gateway_name> --resource-group <resource_group> --sku Standard_v2 --public-ip-address <public_ip>

  4. Re-deploy or Retry Creation:

    • After specifying the SKU, retry creating or updating the Application Gateway.

More Information:

Application Gateway SKU Types