Mgmtapi.dll Opens Trap Socket in Exclusive Mode

• Microsoft Windows NT Server version 4.0
• Microsoft Windows NT Workstation version 4.0
• Microsoft Windows NT Server version 4.0, Terminal Server Edition

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, please see the following article in the Microsoft Knowledge Base:

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS

Microsoft has confirmed this to be 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 : NT4SP4Fix kbbug4.00 kbfix4.00.sp4
Version : WinNT:4.0
Platform : winnt
Issue type : kbbug