Memory Leak in SNMP Subagents (160035)


The information in this article applies to:

  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0
This article was previously published under Q160035

SYMPTOMS

Some SNMP subagents may leak memory when they receive non-null ASN types in GET or GETNEXT requests. This can be observed by monitoring SNMP/Private Bytes in Performance Monitor.

CAUSE

Most SNMP subagents don't free non-NULL variable values for GET requests.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Microsoft has confirmed this to be a problem in Windows NT version 3.51. A supported fix is now available, but is not fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Product Support Services for more information.
Modification Type:MajorLast Reviewed:8/10/2001
Keywords:kbnetwork KB160035
©2002 Microsoft Corporation. All rights reserved.