Microsoft KB Archive/896285

= You may receive an error message when you try to use WebDAV to upload files to Web site that is hosted on IIS 6.0 =

Article ID: 896285

Article Last Modified on 12/3/2007

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APPLIES TO

 Microsoft Internet Information Services 6.0, when used with:  Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

 Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems 

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SYMPTOMS
When you try to use WebDAV to upload a file to a Web site, and the Web site is hosted on a server that is running Microsoft Internet Information Services 6.0 (IIS), you may receive an error message that is similar to the following:

HTTP Error 404 File or directory not found

Additionally, an error message that is similar to the following may be logged in the W3SVC log: 404.2 Denied due to lockdown policy



CAUSE
This issue occurs if you enable Microsoft Windows on Windows 64 (WOW64) compatibility for a 32-bit Web application on a 64-bit version of Microsoft Windows Server 2003.



WORKAROUND
To work around this issue, add the Httpext.dll file to the Web service extensions list. To do this, follow these steps:
 * 1) Click Start, point to Programs, point to Administrative Tools, and then click Internet Information Services (IIS) Manager.
 * 2) Expand the name of the computer that you want, and then click Web Service Extensions.
 * 3) Click Add a new Web service extension.
 * 4) In the Extension name box, type a name for the extension.
 * 5) Click Add, type  \SysWow64\inetsrv\httpextdll, and then click OK.

Note  is the location where Windows Server 2003 is installed
 * 1) Click to select the Set extension status to Allowed check box, and then click OK.

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MORE INFORMATION
For more information about how to enable WOW64 compatibility for 32-bit Web application on a 64-bit version of Microsoft Windows Server 2003, click the following article number to view the article in the Microsoft Knowledge Base:

895976 Windows Server 2003 Service Pack 1 enables WOW64 compatibility for 32-bit Web applications in IIS 6.0

Keywords: kbtshoot kbnofix kbprb KB896285

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