Microsoft KB Archive/178550

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Article ID: 178550

Article Last Modified on 11/1/2006



APPLIES TO

  • Microsoft Windows NT Server 4.0, Terminal Server Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition



This article was previously published under Q178550

SYMPTOMS

After you install ICMP-fix, the following events may be logged in the system event log:

   Event ID: 4199
   Source: TCP/IP
   Description: The system detected an address conflict for IP address
   0.0.0.0 with the system having network hardware address
   xx:xx:xx:xx:xx:xx. Network operations on this system may be disrupted as
   a result.

   Event ID: 26
   Source: Applications Popup
                


For more information on ICMP-fix, please see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 143478
TITLE : Stop 0A in TCPIP.SYS When Receiving Out Of Band (OOB) Data


CAUSE



The ICMP hotfix includes a fix where ARP requests sent from 0.0.0.0 are now processed. The handling of ARP requests sent from 0.0.0.0 has been introduced because RFC 1541 suggests that a DHCP client should verify an IP lease offered from a DHCP server by sending an ARP request. In the RFC, the sender's IP address is defined as 0.0.0.0.

If a computer is in a state where it has no valid IP address lease (for example, when starting or when the lease has expired), the computer's TCP/IP stack is initialized with the address 0.0.0.0.

If, in this state, an ARP request with sender's IP address 0.0.0.0 is received, the above events will be logged.

For additional information on the ICMP hotfix, please see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 154174
TITLE : Invalid ICMP Datagram Fragments Hang Windows NT, Windows 95


RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack




STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Keywords: kbbug kbfix KB178550