Article ID: 982679 - Last Review: September 10, 2011 - Revision: 2.0

Event ID 106 is logged when you start the RPC Client Access service on Exchange Server 2010

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SYMPTOMS

You start the Microsoft Exchange RPC Client Access service on a Microsoft Exchange Server 2010 server that has only the Mailbox role installed. In this situation, the following event is logged in the Application log:

Log Name: Application
Source: MSExchange Common
Date: Date_Time_AM_PM
Event ID: 106
Task Category: General
Level: Error
Keywords: Classic
User: N/A
Computer: myExchange2010.example.com
Description:
Performance counter updating error. Counter name is Client: Foreground RPCs Failed, category name is MSExchange RpcClientAccess. Optional code: 3. Exception: The exception thrown is : System.InvalidOperationException: The requested Performance Counter is not a custom counter, it has to be initialized as ReadOnly.
at System.Diagnostics.PerformanceCounter.Initialize()
at System.Diagnostics.PerformanceCounter.set_RawValue(Int64 value)
at Microsoft.Exchange.Diagnostics.ExPerformanceCounter.set_RawValue(Int64 value)
Last worker process info : System.UnauthorizedAccessException: Access to the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\v14\Transport' is denied.
at Microsoft.Win32.RegistryKey.Win32Error(Int32 errorCode, String str)
at Microsoft.Win32.RegistryKey.CreateSubKey(String subkey, RegistryKeyPermissionCheck permissionCheck, RegistrySecurity registrySecurity) at Microsoft.Exchange.Diagnostics.ExPerformanceCounter.GetLastWorkerProcessInfo()
Performance Counters Layout infomration: FileMappingNotFoundException for category MSExchange RpcClientAccess : Microsoft.Exchange.Diagnostics.FileMappingNotFoundException: Cound not open File mapping for name : Global\netfxcustomperfcounters.1.0msexchange rpcclientaccess
at Microsoft.Exchange.Diagnostics.FileMapping.OpenFileMapping(String name, Boolean writable)
at Microsoft.Exchange.Diagnostics.FileMapping..ctor(String name, Boolean writable)
at Microsoft.Exchange.Diagnostics.PerformanceCounterMemoryMappedFile.Initialize(String fileMappingName, Boolean writable)
at Microsoft.Exchange.Diagnostics.ExPerformanceCounter.GetAllInstancesLayout(String categoryName)

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CAUSE

This problem occurs because the performance counters of the RPC Client Access service are not installed when you install only the Mailbox role on an Exchange Server 2010 server. However, this does not affect the functionality of the Exchange Server 2010 server.

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