Microsoft KB Archive/186455

= Mgmtapi.dll Opens Trap Socket in Exclusive Mode =

Article ID: 186455

Article Last Modified on 11/1/2006

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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

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This article was previously published under Q186455



SYMPTOMS
The Microsoft SNMP service opens the TCP/IP trap socket 162 in exclusive mode. This disallows other management tools from also opening the socket. On starting, SNMP manager software may report an error referring to socket number 162. Additionally, the SNMP management software will not be able to receive traps from SNMP hosts.



CAUSE
The Mgmtapi.dll route SnmpMgrTrapThread opens socket 162 in exclusive mode when this socket should be opened shared.



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 KB186455

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