The Ping command-line tool reports round-trip times in 10 millisecond increments in Windows 2000 (837789)


The information in this article applies to:

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Advanced Server

SYMPTOMS

In Microsoft Windows 2000, when you use the Ping command-line tool to test connectivity and round-trip time (RTT), you notice that the times are not accurate to the millisecond.

CAUSE

This problem occurs because timers in Windows 2000 measure time based on the Internet Control Message Protocol (ICMP). The ICMP time measurement is in 10 millisecond increments.

RESOLUTION

The hotfix that is provided in this package lets the Ping command-line tool measure RTT in one millisecond increments.

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later) 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 tool in Control Panel. 
   Date         Time   Version            Size    File name
   -----------------------------------------------------------
   19-Jun-2003  20:05  5.0.2195.6687     120,240  Afd.sys
   19-Jun-2003  20:05  5.0.2195.6602     108,816  Msafd.dll
   31-Mar-2004  23:59  5.0.2195.6906      18,192  Pathping.exe
   31-Mar-2004  23:59  5.0.2195.6906      16,144  Ping.exe
   31-Mar-2004  23:58  5.0.2195.6906     314,992  Tcpip.sys
   19-Jun-2003  20:05  5.0.2195.6655      16,240  Tdi.sys
   01-Apr-2004  00:00  5.0.2195.6906      10,512  Tracert.exe
   19-Jun-2003  20:05  5.0.2195.6601      17,680  Wshtcpip.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For additional information about the new file naming schema for Microsoft Windows software update packages, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

For additional information about the terminology that is used in this article, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Modification Type:MinorLast Reviewed:10/28/2005
Keywords:kbHotfixServer kbQFE kbBug kbfix kbQFE kbWin2000preSP5fix KB837789 kbAudITPRO
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