Geocode Addresses GP tool does not recognize the ArcGIS Server geocoding locators recently released as part of ArcGIS Online. This tool does not recognize composite locators being served with ArcGIS Server.
1. in ArcCatalog, rename the connection to "arcgisonline"2. Rename the corresponding connection file under %USERPROFILE%\Application Data\ESRI\ArcCatalog to "arcgisonline.ags"kb 36463