If a Change Auditor agent cannot be installed on all of your Exchange 2010/2013 servers, use the following procedure on all Exchange 2010/2013 servers where a Change Auditor agent is not yet deployed:
Create an empty ScriptingAgentConfig.xml file under the following directory:
%ProgramFiles%\Microsoft\Exchange Server\V14\Bin\CmdletExtensionAgents\
Enter the following text into this ScriptingAgentConfig.xml file:
<?xml version="1.0" encoding="utf-8"?>
<Configuration version="1.0"/>