<location> Tag Causes Local Automatic ASP.NET debugging not to work in Visual Studio

This week I got an interesting issue altogether. One of my customers was unable to debug ASP.NET 3.5 application locally using Visual Studio 2008. The application was created using Web Application Project. When we started the application using “Start Debugging (F5)”, page came up fine but debugger was not getting attached to process. In Visual…

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Issue with ActiveDirectoryMembershipProvider and account lock policy

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 along with the maxInvalidPasswordAttempts for locking the Active Directory User after 4 invalid attempts. (Note – As…

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Why I am not able Turn Off CustomErrors?

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\v2.0.50727\CONFIG. All files had an entry <customErrors mode=”Off”/>, purposefully added to avoid this behavior. But we were still getting below message…

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Global.asa of 0 KB acts funny on Windows 2003 after installing SP2.

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. So here the obvious question would be – What…

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What Vista Firewall settings are required for enabling remote debugging?

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. But this is…

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Need a Hotfix.. Get it online

At Microsoft PSS, we get a lot of Hotfix requests. Till few days ago we always required customers to call into Microsoft Product Support to get a Hotfix. But since few days we have made many, if not all, Hotfixes available on web. So now on getting Hotfix is as simple as filling up a…

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Why do I get "Invalid postback or callback argument" Errors?

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 Postback or callback argument . Event validation is…

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