INFORMANT-ISASERVER :: fsDNSCacheLockFailures

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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fsDNSCacheLockFailures

Module: INFORMANT-ISASERVER

OID (symbolic): INFORMANT-ISASERVER::fsDNSCacheLockFailures

OID (numeric): 1.3.6.1.4.1.9600.1.6.4.26

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: The total number of times that the DNS domain names cache failed locking its internal data structure.

What is fsDNSCacheLockFailures?

The total number of times the Firewall service's DNS cache failed to lock its internal data structure, an unusual condition an admin would investigate as a possible sign of resource contention under heavy DNS load.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9600.1.6.4.26
snmpwalk -v2c -c public <target> INFORMANT-ISASERVER::fsDNSCacheLockFailures

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9600.1.6.4.26.1
snmpget -v2c -c public <target> INFORMANT-ISASERVER::fsDNSCacheLockFailures.1

Start monitoring Microsoft ISA Server firewall/proxy host (SNMP Informant) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the INFORMANT-ISASERVER::fsDNSCacheLockFailures OID value, configure state conditions and alerts, and monitor any Microsoft ISA Server firewall/proxy host (SNMP Informant) from a single console.

OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.9600wtcsWTCS
1.3.6.1.4.1.9600.1informantWTCS
Numeric OIDNameModule
1.3.6.1.4.1.9600.1.6isaServerINFORMANT-ISASERVER
1.3.6.1.4.1.9600.1.6.4firewallServiceINFORMANT-ISASERVER
1.3.6.1.4.1.9600.1.6.4.26fsDNSCacheLockFailuresINFORMANT-ISASERVER