While building the locator completes without error, geocoding a table results in zero matches.
This can occur if the locator was built without a city, state and/or zip fields mapped and may also occur if the table to be gecoded does not have a city, state and/or zip fields.
This is a known issue verified with the following data/locator style scenarios:
This issue is addressed in ArcGIS 10 Service Pack 1. To download and install the service pack, refer to ArcGIS 10 (Desktop, Engine, Server) Service Pack 1.