SNMP sysUpTime Counter Resets After 49.7 Days

Last reviewed: October 8, 1997
Article ID: Q169847
AUTHOR :Richhat PRODUCT : winnt TITLE :SNMP sysuptime counter will reset after 49.7 days VERSION(S):3.51 OP SYS(S) : WINDOWS SECURITY :PUBLIC TECH :Jerryman

The information in this article applies to:

- Microsoft Windows NT Workstation version 3.51 - Microsoft Windows NT Server versions 3.51

SYMPTOMS

When using SNMP to monitor sysuptime (system up time), the counter will be reset after 49.7 days or 4294967295 milliseconds.

CAUSE

MIB_II.MIB (RFC 1213) specifies sysUpTime as TimeTicks. SMI.MIB (RFC 1155)
defines TimeTicks as having a max value for 4294967295.   This is the
number of milliseconds that this counter can hold. This also corresponds to about 50 days, this is why the counter resets back to 0.

WORKAROUND

None

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. A supported fix is now available, but has not been 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 Technical Support for more information.


KBCategory: kbinterop kbbug kbfix
KBSubcategory: ntutil prodnt nttcp
Keywords : ntnetserv NTSrvWkst nttcp ntutil kbinterop kbnetwork
Version : WinNT:3.51


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Last reviewed: October 8, 1997
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