Statistics report is incorrect after you ping a host in Windows 7, in Windows Vista, in Windows Server 2008 R2, and in Windows Server 2008

Consider the following scenario:
  • You have a computer that is running Windows 7, Windows Vista, Windows Server 2008 R2, or Windows Server 2008.
  • On the computer, you ping a host in a local-link network.
  • The ping operation fails, and you receive a failure notification. For example, you receive a "Destination Host Unreachable" error message.
In this scenario, you receive a statistics report that shows 0 percent packet loss even though no packets have reached the host successfully.
To work around this issue, use one of the following methods:
  1. Add a static Address Resolution Protocol (ARP) entry to the computer. To do this, start an elevated prompt command, type the following command, and then press Enter.
    arp -s <IPv4 Address> <MAC Address>
    For example, if the IP address of the destination computer is and if the MAC address of the destination computer is 00-15-5d-00-09-0f, type the following command, and then press Enter:
    arp -s 00-15-5d-00-09-0f
  2. Run the ping command together with the –w 100 option.  
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Article ID: 2577667 - Last Review: 07/20/2011 06:47:00 - Revision: 1.0

Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate, Windows Vista Business, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Starter, Windows Vista Ultimate, Windows Server 2008 R2 Datacenter, Windows Server 2008 R2 Enterprise, Windows Server 2008 R2 Foundation, Windows Server 2008 R2 Standard, Windows Server 2008 Datacenter, Windows Server 2008 Enterprise, Windows Server 2008 Foundation, Windows Server 2008 Standard

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