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FTP Service SIZE Command Leaves File Handles Open

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Article ID:182006
Last Review:September 22, 2005
Revision:3.2
This article was previously published under Q182006
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 (http://www.microsoft.com/technet/security/prodtech/IIS.mspx)

SYMPTOMS

When you use FTP clients that call the SIZE command, Internet Information Server (IIS) locks files on the FTP server and will not release them until IIS is completely shut down. As a result, locked files cannot be deleted.

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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
152734 (http://support.microsoft.com/kb/152734/EN-US/) How to Obtain the Latest Windows NT 4.0 Service Pack

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WORKAROUND

To temporarily correct the problem, stop and restart IIS 4.0. You can do this with the following two commands: 
   Net stop iisadmin /y
   Net start iisadmin

This will also stop the World Wide Web Publishing Service.

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STATUS

Microsoft has confirmed this to be a problem in Microsoft Internet Information Server version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.

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MORE INFORMATION

To install this fix, do the following:
1.Rename the existing files in the \WINNT\SYSTEM32\INETSRV folder and copy version 4.02.0634.
2.Stop and start the IIS Administrator service.

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APPLIES TO
•Microsoft Internet Information Server 4.0

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Keywords: 
kbbug kbfix kbqfe kbfaq kbhotfixserver KB182006

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