Microsoft KB Archive/183721

= How To Preload DLL Files With Internet Information Server 4.0 =

Article ID: 183721

Article Last Modified on 6/23/2005

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APPLIES TO


 * Microsoft Internet Information Server 4.0

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This article was previously published under Q183721



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx



IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.



SUMMARY
If you have a .dll file with special dependencies that require these files to be loaded before other Web server processes, you can create a registry- defined list of those .dll files that are to be preloaded into the Inetinfo.exe program before any other Web server services start up.



MORE INFORMATION
WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it.

To preload .dll files, create a new registry key called PreloadDlls in the following registry path:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Inetinfo\Parameters

Set this entry as type multi-sz, with data consisting of the names of the .dll files that you want to preload (separated by carriage returns). If the files reside in the same path, you can type just the name of the .dll file. If the .dll file resides in another directory, type the file name and its full path.

Keywords: kbinfo KB183721

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