Microsoft Exchange Performance Counters

Microsoft Exchange Mailbox Server Information Store RPC Processing counters

The following table shows information store RPC processing counters.

Counter Name Description
Counter Name: MSExchangeIS Client (*)\RPC Average Latency Description: Shows a server RPC latency, in ms, averaged for the past 1,024 packets for a particular client protocol.
Counter Name: MSExchangeIS Mailbox\RPC Averaged Latency Description: Indicates the RPC latency, in ms, averaged for all operations in the last 1,024 packets.
Counter Name: MSExchangeIS\RPC Averaged Latency Description: Indicates the RPC latency, in ms, averaged for all operations in the last 1,024 packets. For information about how clients are affected when overall server RPC averaged latencies increase, see Understanding Client Throttling Policies.
Counter Name: MSExchangeIS\RPC Requests Description: Indicates the overall RPC requests currently executing within the information store process.