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You can use the Output Queue Length performance counter in the Network Interface object type for network adapter monitoring or Simple Network Management Protocol (SNMP) querying. Typically, the Output Queue Length value is not higher than 0 (zero). If it does reach a value higher than zero, it typically returns to zero quickly. Values that are higher than 2 may indicate that there are delays.
The Network Driver Interface Specification (NDIS) implementation queues the SNMP query requests. As a result, the Output Queue Length value is typically always at 0. However, in a symmetric multiprocessing (SMP) computer, the value may be much higher than 2 in Performance Monitor, in System Monitor, or in a returned SNMP query.
TCP/IP maintains the Output Queue Length counter. NDIS does not. TCP/IP in Windows NT and in Windows 2000 does not use interlocked operations to help guarantee the integrity of its statistics counters.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
No prerequisites are required.
You must restart your computer after you apply this hotfix
Hotfix Replacement Information
This hotfix does not replace any other hotfixes.
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Date Time Version Size File name -------------------------------------------------------- 17-Mar-2003 23:11 5.0.2195.6687 119,024 Afd.sys 14-Jul-2003 21:52 5.0.2195.6602 108,816 Msafd.dll 14-Jul-2003 21:39 5.0.2195.6780 314,928 Tcpip.sys 15-Jan-2003 16:56 5.0.2195.6655 16,240 Tdi.sys 14-Jul-2003 21:52 5.0.2195.6601 17,680 Wshtcpip.dll
Note If the problem persists after you install the hotfix, reinstall or update the network adapter drivers.
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.
For more information about how hotfix packages are named , click the following article number to view the article in the Microsoft Knowledge Base:
816915 New Naming Schema for Microsoft Windows Hotfix Packages