Microsoft Exchange Performance Counters

Microsoft Exchange Client Access Server RPC HTTP Proxy counters

The following table shows Windows Server 2008 RPC/HTTP proxy counters.

Counter Name	Description
RPC/HTTP Proxy\Current Number of Incoming RPC over HTTP Connections
RPC/HTTP Proxy\Current Number of Unique Users	Shows the number of unique users currently connected to a back-end server via RPC/HTTP. Determines current user load.
RPC/HTTP Proxy\Number of Failed Back-End Connection attempts per Second	Shows the rate at which the RPC proxy attempts are occurring but failing to establish a connection to a back-end server.
RPC/HTTP Proxy\RPC/HTTP Requests per Second	Shows the rate of RPC/HTTP requests sent to the back-end servers. Determines current Microsoft Outlook Anywhere load.