Article ID: 226484 - View products that this article applies to.
This article was previously published under Q226484
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In Windows NT and Windows 95/98, the Interface Type table contains WAN interfaces marked as LAN.
This behavior occurs because the RASARP/WANARP module adds the wrong value for the interface type in the IF_TABLE. It marks the WAN interface as LAN.
To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT 4.0 Service Pack 5.