Microsoft KB Archive/324189

= SNMP Trap Data Is Misaligned in SnmpNotification Objects =

Article ID: 324189

Article Last Modified on 10/25/2006

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APPLIES TO

 Microsoft Windows Management Instrumentation 1.5, when used with:  Microsoft Windows 2000 Standard Edition

 Microsoft Windows XP Professional 

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This article was previously published under Q324189



SYMPTOMS
In Windows Management Instrumentation (WMI), SNMP trap data is misaligned in SnmpNotification objects. This occurs if MIB objects that are mapped in the VARIABLES clause of the trap definition (TRAP-TYPE) are not present, or are out of order in the variable-bindings field of the SNMP trap Protocol Data Unit (PDU).



CAUSE
According to Request for Comments (RFC) 1215 (&quot;A Convention for Defining Traps for Use with the SNMP&quot;), the VARIABLES clause defines the ordered sequence of MIB objects that are contained in every instance of the trap type. Each variable is placed, in order, in the variable-bindings field of the SNMP trap PDU. Although many SNMP browsers permit deviations from RFC 1215, the SNMP provider in WMI does not permit missing MIB objects in a trap.

Keywords: kbprb KB324189

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