Errors While Listing Check Configuration - Pre-Windows Agent 8

The list check configuration service calls are only available for the Windows Advanced Monitoring Agent from version 8 onwards, when attempting to run these service calls against earlier Agents the following error message is returned:

<result created="2009-10-02T12:45:45+01:00" host="SERVER" status="FAIL">
<error>
 <errorcode>0</errorcode> 
 <message>Unable to load check config for check ID $checkID</message> 
</error>
</result>