Exchange 2010 Performance counters for the Client access role is not installed
Performance counters for the Client access role is not installed
To solve the problem
Open the Exchange Management Shell
Run the following cmd: add-pssnapin Microsoft.Exchange.Management.PowerShell.Setup
Run the following cmd: new-perfcounters –definitionfilename “C:\Program Files\Microsoft\Exchange Server\V14\Setup\Perf\RpcClientAccessPerformanceCounters.xml”
By running these cmds we will install the Performance Counters needed for the RPC Client Access Service. Once installed the error won’t be displayed anymore.