IIS on Nano server in a Hyper-V Virtual machine

This blog talks about setting up the IIS on nano server as a guest OS for the Hyper-V virtual machine. I shall write another blog on running my website on Nano within a container. Before I get into installing IIS on Nano server in my hyper-V, let us get some background on Nano Server. Nano…

0

Securing the ARRAffinity Cookie

Usually when we talk about COOKIES the primary reason would be to manage state, handle logins etc. So, it would be a quintessential property to keep it safe and to prevent any breach of security. Just like how we have a safe version of HTTP by encrypting over SSL, we can do the same for…

0

An error occurred : Failed to find any azure subscriptions for the current user

The BOTs registered under the dev.botframework.com are to be migrated to  Azure Bot service as the dev.botframework.com will be retired on March 31, 2018. Sometimes,while migrating from dev.botframework.com to azure Bot service, we are seeing the below error.   This error occurs if the website , dev.botframework.com , is logged in with an account which…

0

Deploy the ASPNET Core App on Linux and Capture Perfview traces

My previous blog was specifically to capture the perfview traces for aspnet core MVC application on a Windows box. The current blog targets capturing the perfview traces for aspnet core MVC application on a LINUX box. Pre-requisites: 1. On the Windows Development Box ensure that you have the below components: putty.exe: This is used to…

0

Capturing Perfview traces for ASPNET Core application

Recently, I worked with one of the customer who wanted assistance in implementing the logging and capturing the perfview traces for aspnet core web application. So, I decided to blog on this topic and explain how to enable the logging, capture and analyze perfview trace. I am making use of a simple ASPNET Core MVC…

0

IIS FTP with ASP.NET membership authentication

This is my second blog on FTP. The first one being this. This blog specifically explains how to address the below error which most of them have encountered while setting up the ASP.NET SQL membership authentication with FTP site: Response:       220 Microsoft FTP Service Command:        USER test Response:       331 Password required Command: …

0

Session State Is Lost in Web Farm If You Use SqlServer or StateServer Session Mode

One of the most common issues that users face when hosting their application in a webfarm is “unexpected loss of session state”. We face these issues when we store the session information inproc, especially when we don’t set client affinity in the load balancer level. This is one of the main reasons why users opt…

0

Data Collection for Deadlock Detected issue of a IIS based web application

Defining a w3wp deadlock detected issue: Sometimes we might see that the website hosted on IIS became unresponsive for some time and we see any of the below event log entry 1) ISAPI ‘C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll’ reported itself as unhealthy for the following reason: ‘Deadlock detected’. 2) ISAPI’C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll’ reported itself as unhealthy for the following reason: ‘Deadlock…


Session Loss due to Application Domain Recycle-Advanced

In the previous blog we had discussed regarding the basics of application domain recycling and how to identify if the session loss is because of app domain recycling. Over here in the below article we will discuss further on the data that we can capture to find out the root cause of application domain recycle…


Session Loss due to Application Domain recycle- Basics

One of the very tricky issues i have seen in the recent past are session loss issues due to application domain recycle. The issue becomes tricky in terms of data collection and how to further look into it. In the below link i have provided more information on what is application domain recycle and how…