Index capabilities are limited when you open geoprocessing tool Help from the tool's context menu in the ArcToolbox or from the Help button on the tool's dialog box.
Current HTML Help and geoprocessing help system design issues.
For full indexing capabilities close the current version of the Desktop Help system and re-open it one of the following ways:
- Select Help > ArcGIS Desktop Help.
- Press F1 on your keyboard.
- Select Start button > Programs > ArcGIS Desktop Help.