A console error, 'Error importing item: web service error - ImportItem' is received when attempting to import a policy containing file property inventory from another NS.
Errors are also shown in the NS log
A dependent task is not automatically included in the exported policy xml.
Open the File Inventory policy that you originally exported in a web browser to view its XML.
Locate the taskVersionGuid attribute GUID.
Confirm that this correspond to the GUID in the error log entry above, 'No class GUID found for version or item'
On the NS console use the Altiris Import/Export utility under
On the target NS, import the above item and then re-attempt the original File Inventory Policy import which should then complete successfully
NS 7.1 SP2