Rakki Muthukumar

I was searching for a FREB files viewer tool, and have done my own since the existing ones doesn’t give a few options which I was expecting. Saurabh’s tool tries to rename the files with few more details which you can use it to open the right file. But...

The DropDownList of ASP.NET gets rendered as html <select>, and everyone knows this. You click on the dropdown, and you will see the elements, and sometimes the vertical scrollbar. Every browser has it’s own value which determines the item...

I was recently working on an issue that one of my customers was facing on his website. He had an ASP.NET website that he has migrated from ASP.NET 1.1 to ASP.NET 4.0. They were running few javascript where they try to change a textbox value, accessing...

I was working with one of our partner who want to migrate 30+ sites from an existing IIS6 server, to a new IIS6 server. We had an old tool IIS6 Migration Tool which would come handy, but this would be requiring 30 steps to migrate 30 websites one by one...

This is often a question that has been asked a lot of times, and I couldn’t find an article which outlines the steps to be followed to enable a custom ISAPI extension in IIS7 (and above). You really don’t need to do anything other than the steps below...

Symptoms Getting “System.ComponentModel.Win32Exception: Access is denied” on an ASP.NET website. Below is the complete exception details: Exception Details: System.ComponentModel.Win32Exception: Access is denied Source Error: An unhandled exception was...

Fiddler tool doesn’t need any introduction, it is a great tool to debug a lot of client side issues with Internet Explorer, and other browsers as well <by setting the proxy to make the connections go through fiddler>. There are a few times when...

You might wonder why a big silence on this blog, I must admit that I was too busy to blog. Now, also working on a few IE related issues – on javascript, ActiveX, CSS, etc. You might find a few blogs related to those technologies as well, so I’m going...

Today, I was working with a customer of mine who had some problems in configuring a Virus Definitions Distribution Point for Symantec Live Update on IIS. Another module hosted on a different web-server has a button to test this distribution point, and...

I wrote a post of my team blog where I explained how to configure FREB rule to collect dump when there is a slow running request (say request take more than 15 seconds to complete). Read the complete post here . Happy FREBing!

Internet is full of videos, and you have a power packed set of tools for IIS to make media streaming top-notch experience. You have IIS Media Pack enabling intelligent progressive downloads, smooth streaming, throttling, etc. You have tools from Microsoft...

If you were a ASP.NET 1.1 developer, and faced some performance problems, I’m sure you would have come across the KB 821268 which talks about tweaking maxWorkerThreads, maxIoThreads in the <processModel>, minFreeThreads, minLocalRequestFreeThreads...

As you know there is no UI to configure iisClientCertificateMappingAuthentication in IIS7, it takes a little more time to configure the site for the same. Here is an article in the iis.net site which explains the steps one by one. Configuring One-to...

I just wrote a blog post on my team blog on using FREB to troubleshoot a simple error message. I’ve taken an example of a HttpModule setting the Response status to 400. This is not a common scenario, but I just want people to use FREB extensively in their...

I just learned this now :-) You can now use the URLScan 3.1 with your own custom rules, and it would come handy in situations like rejecting a request based on the User-Agent string. Below is a sample rule for the same: [Options] RuleList=DenyUserAgent...

NOTE : Before you even read about this module, I want to mention that I do not work for IIS product team at Microsoft, but in Product Support for IIS and ASP.NET. This module/application is purely out of my interest, and this is not an official release...

I recently worked with one of my customer who was getting “HTTP 500.19” error while browsing the website. Server Error in Application " application name " HTTP Error 500.19 – Internal Server Error HRESULT: 0x8007000d Description of HRESULT The...

appcmd.exe set config  -section:system.applicationHost/sites /[name='Default Web Site'].bindings.[protocol='http',bindingInformation='*:80:'].bindingInformation:"*:80:www.test.com"  /commit:apphost

appcmd.exe set config  -section:system.webServer/serverRuntime /uploadReadAheadSize:"491521"  /commit:apphost

I recently worked with one of my customer who when clicking on the "Design" view of an ASPX page, the designer window doesn't appear - blank page appears. And if you minimize the VS window, and maximize it again - we will see the desktop background...

When the ASP.NET AJAX Functionality is not working on a web page, it is usually due to the fact that the javascript needed for AJAX is not sent to the client from the server for some reason. ‘Sys’ is undefined. You might see this error message when there...

Symptom Cannot create a simple web application or a windows application project with Visual Studio 2008. Getting "Creating project 'projectname'... project creation failed" Cause Few packages are marked as skipped for loading Resolution Ran...

As you know IIS 7.0 configuration system is huge, broad, or whatever you feel like calling it. It no longer just exist in its main configuration file applicationHost.config (like Metabase.XML in IIS 6.0). It can be widely spread in any of the web.config...

I was looking around for a simple example which would just do a object serialization to a JSON format, and then deserializing back to the original object. I found few examples on MSDN, but did seem to be too long to try. Here I’ve given a simple code...

You would have already read IIS support team’s blog about configuring IIS to send an additional header to the client which would make IE to run under EmulateIE7 mode. I would also suggest you to read this MSDN article which talks about the various IE8...