Solved! Go to Solution.
You might want to consider using the Make Query Table tool to add a virtual OID field.
Tool errors and warnings: 651-675
http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?topicname=tool%20errors%20and%20warnings:651-675...
Make Query Table (Data Management):
http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Make_Query_Table_%28Data_Management%29
http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00170000006r000000