WINDOWS-NT-PERFORMANCE :: exchmtaconnRejectedInboundAssociations

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsWINDOWS-NT-PERFORMANCEexchmtaconnRejectedInboundAssociations

exchmtaconnRejectedInboundAssociations

Module: WINDOWS-NT-PERFORMANCE

OID (symbolic): WINDOWS-NT-PERFORMANCE::exchmtaconnRejectedInboundAssociations

OID (numeric): 1.3.6.1.4.1.311.1.1.3.1.1.21.1.19

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Rejected Inbound Associations is the total number of inbound (remote initiated) associations that have been rejected, since MTA initialization.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.311.1.1.3.1.1.21.1.19
snmpwalk -v2c -c public <target> WINDOWS-NT-PERFORMANCE::exchmtaconnRejectedInboundAssociations

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.311.1.1.3.1.1.21.1.19.1
snmpget -v2c -c public <target> WINDOWS-NT-PERFORMANCE::exchmtaconnRejectedInboundAssociations.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> exchmtaconnRejectedInboundAssociations.1

Start monitoring Windows NT/Server host running the Microsoft SNMP service (CPU/memory/disk-I/O performance-counter status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the WINDOWS-NT-PERFORMANCE::exchmtaconnRejectedInboundAssociations OID value, configure state conditions and alerts, and monitor any Windows NT/Server host running the Microsoft SNMP service (CPU/memory/disk-I/O performance-counter status) from a single console.

OID Breakdown

Upper-level ancestors (12 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
1.3.6.1.4.1.311microsoftInternetServer-MIB
1.3.6.1.4.1.311.1softwareInternetServer-MIB
1.3.6.1.4.1.311.1.1systemsMSFT-MIB
1.3.6.1.4.1.311.1.1.3osMSFT-MIB
1.3.6.1.4.1.311.1.1.3.1windowsNTMSFT-MIB
1.3.6.1.4.1.311.1.1.3.1.1workstationMSFT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.311.1.1.3.1.1.21exchmtaconnmSExchangeMTA_ConnectionsTableWINDOWS-NT-PERFORMANCE
1.3.6.1.4.1.311.1.1.3.1.1.21.1exchmtaconnmSExchangeMTA_ConnectionsEntryWINDOWS-NT-PERFORMANCE
1.3.6.1.4.1.311.1.1.3.1.1.21.1.19exchmtaconnRejectedInboundAssociationsWINDOWS-NT-PERFORMANCE