Resource move validation failed. Cannot move Azure App Service

The scenarios in which you can and cannot move an Azure App Service are nicely documented here “App Service limitations”.  I also wrote an article about this as well here “Moving an Azure App Service”. It is possible to move your Azure App Service between subscriptions and resource groups.  Like I have stated many times…


How to optimize Azure App Service AlwaysOn, cold start, warm up request

When you enable AlwaysOn it means that the application pool will not be shutdown after the idle timeout threshold is breached.  I wrote about this threshold here and here. The point here is that after a cold start of your application, AlwaysOn will send a request to the ROOT of your application.  Whatever file is…


Named Pipes and Azure App Services

According to this “Operating system functionality on Azure App Service” and my interpretation, it means if you attempt to use named pipes (*)(*) for anything other than inter-process communications (*) that it will not work. I was coding some stuff and was getting these errors: They both called out the provide: Named Pipes Provider and…

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IP Restrictions on Azure App Service as expected behavior

A method to 100% shutdown the public endpoint of an App Service running in the public tenant is not provided.  However, you can create an ILB ASE (which is not a public tenant) or you can restrict the access using an IP Restriction.  Here is some information on the detailed feature for setting this up…


How to find apiVersion used for REST API or ARM templates

I wrote a few articles that discuss how and or why you would need to know the apiVerion api-version when calling Azure REST APIs or making a deployment with an Azure Resource Manager (ARM) template. Azure Function 400 Bad Request How to disable/enable HTTP/2, Azure App Service Using Postman to call Azure REST APIs Make…


ASP.NET Compilation Azure App Service, Web Project, Web Site

There are numerous flavors of ASP.NET modules, for example Web Forms (Web Sites and Web Applications), Web Pages, Model-View-Controller (MVC) and the newest one Core.  In this article I want to discuss some learnings about the difference between the compilations of an ASP.NET Web Site (Figure 1) and an ASP.NET Web Application (Figure 2). Figure…


Publish has encountered an error ERROR_FILE_IN_USE

I was making a deployment to an ASP.NET Core application from Visual Studio and got this error, see Figure 1. Figure 1, deployment asp.net core web deploy msdeploy from visual studio Read some of my other web deploy articles here: Web Deploy ERROR_DESTINATION_NOT_REACHABLE Azure Web App ERROR_CONNECTION_TERMINATED msdeploy web deploy All of them are accessible…


How to read, unable to read appsettings.json values ASP.NET Core

I wrote this article here “Database connection string when swapping between App Servers slots” and if you look at the last paragraph I mentioned a ‘gotcha’ when you have an application setting, “AppSetting” in your web.config file which has the same name as an application setting you have configured, via the portal of your Azure…

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