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Friday, October 23, 2009 1:33 AM

WWW Service not listed in the Services console (IIS 6.0)?

This post is a continuation to the series on IIS service startup issues. I did not feel like writing it since we haven’t seen much cases on this type of behavior and I thought this could be one of those rare issues which always happens with IIS but my
Posted by Saurabh Singh | 0 Comments
Friday, July 03, 2009 2:08 AM

Required permissions when calling a Web service using client certificate for authentication in an ASP.NET Web application

A Web service requiring Client certificate authentication is a common scenario. You may have a client application which needs to send the Client certificate as part of the web request for accessing the web service. This client application may be a Windows/Console
Posted by Saurabh Singh | 7 Comments
Saturday, June 13, 2009 1:05 AM

Avoid this confusion around Client certificate mapping in IIS 6.0/7.0

I just wanted to add this quick post around Client certificate Mapping on IIS. This is focused on 1-to-1/Many-to-1 mapping in IIS 6.0/7.0. If you are interested to know more about configuring Client certificate mapping in IIS 6.0 please check this post
Posted by Saurabh Singh | 0 Comments
Saturday, April 11, 2009 1:04 AM

Automate client certificate one-to-one mapping in IIS 6.0 using C#

In PSS, we occasionally get requests from our customers wherein they want to automatically add entries for client certificate mapping in IIS or Active Directory (AD). That is either a 1-to-1, Many-to-1 or AD mapping for the client certificate authentication
Posted by Saurabh Singh | 15 Comments
Attachment(s): Code.zip
Saturday, March 07, 2009 1:15 AM

Some Info around WebDAV content access issues

If you have a Web folder (WebDAV) hosted on IIS using Basic Authentication there are a few things you need to ensure such that any client accessing the resource does not get into failures. If your WebDAV site is restricted using Basic authentication and
Posted by Saurabh Singh | 1 Comments
Tuesday, February 17, 2009 2:43 AM

Increase the concurrent connections limit for IIS FTP site if you see server reset

If you have a FTP site hosted on IIS which receives a burst of client connections at specific intervals and you see the connections getting reset from server-end please read on. Let's say you have over 1500 concurrent FTP client connections being made
Posted by Saurabh Singh | 1 Comments
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Sunday, November 16, 2008 10:11 AM

Who knows! You may be missing these points for Kerberos authentication failures for Web applications...

I am sharing here some of the general + elusive + ignored + must-have info that you may want to recheck when you are troubleshooting a kerberos cum delegation failure scenario and feel like reaching nowhere near the end of the tunnel (resolution!). These
Posted by Saurabh Singh | 3 Comments
Sunday, August 24, 2008 3:13 AM

My IIS 6.0 Mobile Manager - Manage your Web Sites, application Pools through mobile device from anywhere...

In May this year I had written a Web application using which we can manage basic IIS settings through Web browser from anywhere. Here is another application which I feel brings in more convenience to the end user (meant for Web administrators) since one
Posted by Saurabh Singh | 0 Comments
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Friday, July 25, 2008 4:09 PM

Some tips if your IIS 6.0 World Wide Web Service (WWW) ever goes down...

Well, every time I try writing some thing different than IIS and for some reason I come back to it :-) Here is a quick troubleshooting tip for a scenario where World Wide Web service on my test IIS 6.0 box went down for no apparent reason. Here is what
Posted by Saurabh Singh | 4 Comments
Tuesday, May 27, 2008 1:05 AM

SSL Troubleshooting for IIS Web Sites contd...

Recently a colleague of mine was working on a customer's case which was a Critical level incident. High pressure job, huhh! The issue was with SSL not working for one of their web sites. They were seeing "Page cannot be displayed" when trying to access
Posted by Saurabh Singh | 12 Comments
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Wednesday, May 14, 2008 3:47 AM

My IIS 6.0 Web Manager - Manage your Web Sites, Application Pools from any where on the Web.

A Web administrator has to have access to the IIS server in order to ensure that any diagnostic/preventive measures can be performed at any point of time. One has to ensure all the web sites are running up and fine during the course of a day. Activities
Posted by Saurabh Singh | 9 Comments
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Tuesday, April 22, 2008 9:31 PM

Change in IIS MMC setting may cause unwanted restarts of W3SVC

Recently we have discovered an issue with IIS Manager wherein changing settings in a certain way may cause unexpected restart of World wide Web Publishing Service. And this may happen before you realize until you go back to the Application event log and
Posted by Saurabh Singh | 4 Comments
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Tuesday, April 15, 2008 3:15 AM

IIS ASP.Net Developer Support Group comes with its own Weblog

Recently we have come up with a dedicated blog site for IIS support group. Our aim is to include topics which will be of relevance to end users with regard to troubleshooting, and technical readiness for IIS ASP.Net including the latest in offering i.e.
Posted by Saurabh Singh | 1 Comments
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Thursday, April 03, 2008 12:10 AM

Unable to access IIsCertMapper object through ADSI

Today, I was working on an issue where we were trying to add mapping for client certificate for a windows account using ADSI and VBScript. Something similar as below: <% Dim CertObj, vCert vCert = Request.ClientCertificate("CERTIFICATE") Set CertObj
Posted by Saurabh Singh | 7 Comments
Thursday, March 13, 2008 2:34 AM

Enabling Active Directory Isolation mode for FTP to work for trusted domain users

Let's consider a scenario wherein we have an FTP site hosted on an IIS Server and we are trying to setup the site to work in Active Directory (AD) Isolation mode. Now things should work just fine if we have the setup done properly. I have talked about
Posted by Saurabh Singh | 1 Comments
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