Article ID: 961884 - Last Review: April 30, 2009 - Revision: 2.0 FIX: You experience very slow performance on an initial request to an ASP.NET Web site after you change the App_Code folder, the bin folder, or the Global.asax fileOn This PageSYMPTOMSAfter you change the App_Code folder, the bin folder, or the Global.asax file in a Microsoft ASP.NET Web application, you may experience very slow performance on an initial request to the Web site. CAUSEThis problem occurs because after you change the App_Code folder, the bin folder, or the Global.asax file, everything will be recompiled. If the application is very large, the compilation can take a long time. Therefore, Web clients will be slow to load Web pages on the initial request to the Web site. RESOLUTIONWindows XP and Windows Server 2003To resolve this problem in Windows XP and in Windows Server 2003, apply the hotfix rollup package that is described in Microsoft Knowledge Base article 969612. For more information, click the following article number to view the article in the Microsoft Knowledge Base:969612
(http://support.microsoft.com/kb/969612/
)
Description of the hotfix rollup package for ASP.NET 2.0: April 2009
Windows Vista and Windows Server 2008To resolve this problem in Windows Vista and in Windows Server 2008, download and apply the hotfix that is described in Microsoft Knowledge Base article 967535. For more information, click the following article number to view the article in the Microsoft Knowledge Base:967535
(http://support.microsoft.com/kb/967535/
)
FIX: A hotfix is available to fix two problems in ASP.NET on IIS 7.0 for Windows Vista and Windows Server 2008
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. MORE INFORMATION
For more information about ASP.NET compilations, visit the following Microsoft Developer Network (MSDN) Web sites: http://msdn.microsoft.com/en-us/library/ms178466.aspx
(http://msdn.microsoft.com/en-us/library/ms178466.aspx)
http://msdn.microsoft.com/en-us/library/ms366723.aspx
(http://msdn.microsoft.com/en-us/library/ms366723.aspx)
For more information about the configure compilation element in ASP.NET settings, visit the following MSDN Web site: http://msdn.microsoft.com/en-us/library/s10awwz0.aspx
(http://msdn.microsoft.com/en-us/library/s10awwz0.aspx)
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