After the installation of Exchange 2010 SP1 on a server which only contains the Mailbox Server role you might get a lot of errors in the event log.
When looking specificaly at the errors you will see that they are caused by the Performance Counters. A reference is made to the following registry key_HKLM\Software\Microsoft\ExchangeServer\v14\Transport_ which can’t be opened.
When you open regedit and search for the specific registry key you won’t find it. Really strange because the RPC Client Access Service will be installed on a Mailbox Server.
When having a look at the following Knowledge Base article you shouldn’t have to worry about the events because it doesn’t have effect on the performance of the Mailbox Server. Personally I would don’t like errors in the event log, so how can you solve this issue?
Pretty simple:
- 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.
If you like to have more information about removing or reloading the Performance Counters have a look at the site below:
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