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MS00-091: Multiple NetBT Sessions May Hang Local Host
Article ID: 275567 - View products that this article applies to.
This article was previously published under Q275567
After a remote computer creates multiple TCP/IP connections with a local host and establishes a NetBIOS over TCP/IP (NetBT) session by using port 139, when the remote computer does not properly initiate a session closure for each open connection, the local host may stop responding (hang).
Note that this issue does not affect computers that are running Microsoft Windows 2000.
Windows NT 4.0; BackOffice Server 4.0 and 4.5; and BackOffice Small Business Server 4.0, 4.0a, and 4.5To resolve this problem, obtain the individual package referenced below or obtain the Windows NT 4.0 Security Rollup Package. For additional information on the SRP, click the article number below to view the article in the Microsoft Knowledge Base:
299444The following file is available for download from the Microsoft Download Center:
(http://support.microsoft.com/kb/299444/EN-US/ )Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
Intel-based computers:For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
Download Q275567i.exe now
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119591Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file. The English version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/119591/EN-US/ )How to Obtain Microsoft Support Files from Online Services
Date Time Size File name Platform ----------------------------------------------------------- 09/29/2000 09:05p 124,688 Netbt.sys Intel 09/29/2000 09:04p 224,912 Netbt.sys Alpha
Microsoft Windows NT Server version 4.0, Terminal Server EditionTo resolve this problem, obtain the Windows NT Server 4.0, Terminal Server Edition, Security Rollup Package (SRP). For additional information about the SRP, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/317636/EN-US/ )Windows NT Server 4.0, TerminalServer Edition, Security Rollup Package
Microsoft has confirmed that this problem may cause a degree of security vulnerability in Microsoft Windows NT 4.0 and Windows NT Server version 4.0, Terminal Server Edition.
Disabling a computer's Server service (Windows NT) or File and Print Sharing (Windows 95 or Windows 98) can prevent the computer from being susceptible to this vulnerability.
For related information about this problem, please visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/MS00-091.mspxFor additional security-related information about Microsoft products, please visit the following Microsoft Web site:
Article ID: 275567 - Last Review: March 29, 2007 - Revision: 3.5