To verify the RPC Client Access results, please plan to run the following PowerShell cmdlets for each indicator listed below:
RPC Averaged Latency - Get-Counter "\MSExchange RpcClientAccess\RPC Averaged Latency"
RPC Client Requests - Get-Counter "\MSExchange RpcClientAccess\RPC Requests"
RPC Operations Per Second - Get-Counter "\MSExchange RpcClientAccess\RPC Operations/sec"