Network-Related Performance Counters
Applies To: Windows Server 2012
This topic lists the counters that are relevant to managing network performance, and contains the following sections.
Resource Utilization
The following performance counters are relevant to network resource utilization.
IPv4, IPv6
Datagrams Received/sec
Datagrams Sent/sec
TCPv4, TCPv6
Segments Received/sec
Segments Sent/sec
Segments Retransmitted/sec
Network Interface(*), Network Adapter(*)
Bytes Received/sec
Bytes Sent/sec
Packets Received/sec
Packets Sent/sec
Output Queue Length
This counter is the length of the output packet queue (in packets). If this is longer than 2, delays occur. You should find the bottleneck and eliminate it if you can. Because NDIS queues the requests, this length should always be 0.
Processor Information
% Processor Time
Interrupts/sec
DPCs Queued/sec
This counter is an average rate at which DPCs were added to the logical processor's DPC queue. Each logical processor has its own DPC queue. This counter measures the rate at which DPCs are added to the queue, not the number of DPCs in the queue. It displays the difference between the values that were observed in the last two samples, divided by the duration of the sample interval.
Potential Network Problems
The following performance counters are relevant to potential network problems.
Network Interface(*), Network Adapter(*)
Packets Received Discarded
Packets Received Errors
Packets Outbound Discarded
Packets Outbound Errors
WFPv4, WFPv6
- Packets Discarded/sec
UDPv4, UDPv6
- Datagrams Received Errors
TCPv4, TCPv6
Connection Failures
Connections Reset
Network QoS Policy
Packets dropped
Packets dropped/sec
Per Processor Network Interface Card Activity
Low Resource Receive Indications/sec
Low Resource Received Packets/sec
Microsoft Winsock BSP
Dropped Datagrams
Dropped Datagrams/sec
Rejected Connections
Rejected Connections/sec
Receive Side Coalescing (RSC) performance
The following performance counters are relevant to RSC performance.
Network Adapter(*)
TCP Active RSC Connections
TCP RSC Average Packet Size
TCP RSC Coalesced Packets/sec
TCP RSC Exceptions/sec