Microsoft Exchange Performance Counters

Microsoft Exchange Transport Server Transport Load Assessment counters

The following table shows transport load assessment counters.

Counter Name	Description
\MSExchange Store Driver(_total)\ Inbound: MessageDeliveryAttemptsPerSecond
\MSExchange Store Driver(_total)\Inbound: LocalDeliveryCallsPerSecond	Shows the number of local delivery attempts per second. Determines current load. Compare values to historical baselines.
\MSExchange Store Driver(_total)\Outbound: Submitted Mail Items Per Second	Shows the number of mail items per second being submitted. Determines current load. Compare values to historical baselines.
\MSExchangeTransport Queues(_total)\Messages Completed Delivery Per Second	Shows the number of messages delivered per second. Determines current load. Compare values to historical baselines.
\MSExchangeTransport Queues(_total)\Messages Submitted Per Second	Shows the number of messages queued in the Submission queue per second. Determines current load. Compare values to historical baselines.
\MSExchangeTransport SmtpReceive(_total)\Average bytes/message	Shows the average number of message bytes per inbound message received. Determines sizes of messages being received for an SMTP receive connector.
\MSExchangeTransport SmtpReceive(_total)\Messages Received/sec	Shows the number of messages received by the SMTP server each second. Determines current load. Compare values to historical baselines.
\MSExchangeTransport SmtpSend(_total)\Messages Sent/sec	Shows the number of messages sent by the SMTP send connector each second. Determines current load. Compare values to historical baselines.
MSExchange Store Driver(_total)\Inbound: Recipients Delivered Per Second	Shows the number of inbound recipients delivered per second. Determines current load. Compare values to historical baselines.
MSExchangeTransport Queues(_total)\Messages Completed Delivery Per Second	Shows the number of messages delivered per second. Determines current load. Compare values to historical baselines.
MSExchangeTransport Queues(_total)\Messages Queued for Delivery Per Second	Shows the number of messages queued for delivery per second. Determines current load. Compare values to historical baselines.