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.