Error when trying to capture Ghost Image

I am trying to capture a Windows 7 x86 image using the Capture Ghost Image within Altiris, however it keeps failing with the following error:

ErrorMessage: The Exception have occured in Client Imaging Task. Exception has occured in function SMPPackage.cpp() at Line No 233. Type of exception is GeneralError. Error is callDSPSInfoOperationService()have failed. Return XML is =. Error from HttpGet = HTTP error occured. Error Description is utilCSMPPackagecallDSPSInfoOperationService. Value of Windows error code = 6 and message is The handle is invalid.

Is anyone able to help fix this error?