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Problem Description:

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v Unable to hit breakpoints in external JS files (always) or in code-behind VB (intermittent)

Resolution

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v Open key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main

v If it doesn't exist, add new DWORD named TabProcGrowth

v Set TabProcGrowth value = 0

Related links:

v http://blogs.msdn.com/greggm/archive/2009/04/01/script-debugging-broken-in-vs-2005-after-installing-ie8.aspx

v http://blogs.msdn.com/greggm/archive/2009/04/01/script-debugging-broken-in-vs-2005-after-installing-ie8.aspx

v http://social.msdn.microsoft.com/Forums/en-US/vsdebug/thread/e2c795cd-b7a0-4fad-b7c9-b1ca40d7302e/

v http://forums.asp.net/t/1419081.aspx

v http://bugcheck/Bugs/DevDivBugs/176287.asp

v http://bugcheck/Bugs/DevDivBugs/200561.asp

v http://bugcheck/default.asp?URL=/Bugs/VSWhidbey/611702.asp

Knowledge Base Articles:

=================

? Now you can request for Hotfix online

https://support.microsoft.com/contactus2/emailcontact.aspx?scid=sw;en;1410&WS=hotfix

? Latest Asp.NET developments –Check Scottgu Blogpost

http://weblogs.asp.net/scottgu/

? Product lifecycle link - http://support.microsoft.com/lifecycle/?p1=1249

? This article talks about "How to configure applications in IIS 6.0" - http://support.microsoft.com/default.aspx?id=814867

? This article talks about "How to configure security by using IIS 6.0" - http://support.microsoft.com/default.aspx?id=814874

? This article talks about "How to performance-tune your applications in IIS 6.0" - http://support.microsoft.com/default.aspx?id=814876

? This link talks about troubleshooting IIS http://technet2.microsoft.com/windowsserver/en/technologies/featured/iis/default.mspx

? Remote Logging in IIS : http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/a6347ae3-39d1-4434-97c9-5756e5862c61.mspx?mfr=true

? Remote Logging of W3SVC Logs: http://vkbexternal/VKBWebService/ViewContent.aspx?scid=SO;US;SOX041029700109