docs: Add Application Gateway support and help article

Author: mbender-ms

articles/application-gateway/application-gateway-support-help.md

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+---
+title: Azure Application Gateway support and help options
+description: How to obtain help and support for questions or problems when you create solutions using Azure Application Gateway.
+author: mbender-ms
+ms.author: mbender
+ms.service: azure-application-gateway
+ms.topic: troubleshooting
+ms.date: 03/03/2026
+ms.custom: support-help-page
+# Customer intent: As a cloud solutions developer, I want to access troubleshooting resources and support options for Azure Application Gateway, so that I can efficiently resolve issues and ensure reliable application delivery and load balancing.
+---
+
+# Support and troubleshooting for Azure Application Gateway
+
+Here are suggestions for where you can get help when developing your Azure Application Gateway solutions.
+
+## Self help troubleshooting
+
+Various articles explain how to determine, diagnose, and fix issues that you might encounter when using Azure Application Gateway. Use these articles to troubleshoot deployment failures, connection issues, performance problems, and more.
+
+For a full list of self help troubleshooting content, see [Azure Application Gateway troubleshooting documentation](https://learn.microsoft.com/troubleshoot/azure/application-gateway/welcome-app-gateway).
+
+## Post a question on Microsoft Q&A
+
+For quick and reliable answers on your technical product questions from Microsoft Engineers, Azure Most Valuable Professionals (MVPs), or our expert community, engage with us on [Microsoft Q&A](https://learn.microsoft.com/answers), Azure's preferred destination for community support.
+
+If you can't find an answer to your problem using search, submit a new question to Microsoft Q&A. Use the following tag when asking your question:
+
+| Area | Tag |
+| --- | --- |
+| [Azure Application Gateway](./overview.md) | [azure-application-gateway](https://learn.microsoft.com/en-us/answers/tags/148/azure-application-gateway) |
+
+## Create an Azure support request
+
+Explore the range of [Azure support options and choose the plan](https://azure.microsoft.com/support/plans) that best fits, whether you're a developer just starting your cloud journey or a large organization deploying business-critical, strategic applications. Azure customers can create and manage support requests in the Azure portal.
+
+- If you already have an Azure Support Plan, [open a support request here](https://portal.azure.com/#blade/Microsoft_Azure_Support/HelpAndSupportBlade/newsupportrequest).
+
+- To sign up for a new Azure Support Plan, [compare support plans](https://azure.microsoft.com/support/plans/) and select the plan that works for you.
+
+## Create a GitHub issue
+
+If you need help with the language and tools used to develop and manage Azure Application Gateway, open an issue in its repository on GitHub.
+
+| Library | GitHub issues URL|
+| --- | --- |
+| Azure PowerShell | https://github.com/Azure/azure-powershell/issues |
+| Azure CLI | https://github.com/Azure/azure-cli/issues |
+| Azure REST API | https://github.com/Azure/azure-rest-api-specs/issues |
+| Azure SDK for Java | https://github.com/Azure/azure-sdk-for-java/issues |
+| Azure SDK for Python | https://github.com/Azure/azure-sdk-for-python/issues |
+| Azure SDK for .NET | https://github.com/Azure/azure-sdk-for-net/issues |
+| Azure SDK for JavaScript | https://github.com/Azure/azure-sdk-for-js/issues |
+| Terraform | https://github.com/Azure/terraform/issues |
+| Bicep | https://github.com/Azure/bicep/issues |
+
+## Stay informed of updates and new releases
+
+Learn about important product updates, roadmap, and announcements in [Azure Updates](https://azure.microsoft.com/updates/?category=networking).
+
+News and information about Azure Application Gateway is shared at the [Azure Networking blog](https://techcommunity.microsoft.com/category/azure/blog/azurenetworkingblog).
+
+## Next steps
+
+Learn more about [Azure Application Gateway](./index.yml)