This article was previously published under Q193157
This article has been archived. It is offered "as is" and will no longer be updated.
In Service Pack 3 and earlier, if the media access control address of anetwork interface card (NIC) is changed dynamically (for example, throughkernel mode drivers), the TCP/IP protocol will not automatically respond tothe change.
In Service Pack 4, a new status indication was added so that TCP/IP mayrespond appropriately to the change.
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 theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
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.