WebTopics

We’ve seen a few instances of the following error message on 64 bit servers when IIS 7.0 is attempting to process a pending certificate request: Complete Certificate Request There was an error while performing this operation. Details: CertEnroll...

This post is more about the confusion that may arise around SPNs for setting up Kerberos authentication in IIS 7.0. IIS 7.0 has a new Kernel-mode authentication feature using which the ticket for the requested service is decrypted using Machine account...

The maximum number of Application Pools that IIS 6 can host depends on a few different things, including (but not necessarily restricted to) the type(s) of content being served, the number of application pool running concurrently, and the identities of...

After sending an HTTP request to an IIS server, an HTTP client (such as Internet Explorer) may display the following type of error message in the browser window: If Internet Explorer’s Friendly HTTP Error Messages option is turned off,...

Most people on installing .NET 3.5 on the server "expect" an entry for  v3.5 under the ASP.NET version Tab in IIS manager. And not finding that entry start panicking. If you have been one of those read on. The more tech savvy folks try...

One of my customers ran into this issue couple of months ago. I wanted to blog it earlier but I was waiting for the Fix to come out. The typical scenario is - you are using the System.Web.RoleManager of .NET Framework 2.0 along with Ajax Extensions. When...

Recently I was working on issue with ActiveDirectoryMembershipProvider of ASP.NET 2.0 and I came across interesting finding which I thought of sharing.   The scenario which I had was a little tricky. One of my customers was using ActiveDirectoryMembershipProvider...

Few days back I came across an issue with Publish Web Site and assembly versioning. One of my customers was trying to publish a web site as non-updatable with "Use Fixed Naming and Single Page Assembly" option. Also at the same time they are...

This week I got an interesting issue altogether. One of my customers was unable to turn off the CustomErrors at all. We checked all the web.config files in hierarchy including the web.config and machine.config in C:\WINNT\Microsoft.NET\Framework\v2.0...

Introduction:   This is the first post of mine so thought of starting with a simple but tricky issue which I came across in few support incidents I have handled. I had a scenario where one of my customers was getting an error message like - Invalid...

Many times we need pop-up windows to appear in our Web Applications. In such a scenario we have the same user session used by the two instances of the web browser. So for N number of pop-ups we open, we have N instances of browsers using the same user...

This a bit of a tricky thing. We all know the famous KB for “How to turn on remote debugging in Windows XP with Service Pack 2, in Windows Server 2003 Service Pack 1, or in Windows Vista” and we do all these settings on the Vista box to turn on debugging...

Few days’ back one funny issue came to me.   All of a sudden on one of the Windows 2003 server my customer was getting “HTTP/1.1 500 Server Error” for any .asp pages in the application. It stopped working since last couple days and used to work earlier...

I really enjoy working on a good SSL issue.  The technologies are mature and well documented and work the same in most places so the issues are generally straightforward.  There are exceptions of course and they can get hairy. Normally the biggest...