**This issue has been resolved in ArcGIS 9.3.1 Service Pack 2.**In ArcMap, when a feature is selected and a reference scale is used, the selected point feature ignores the reference scale.This differs from ArcMap version 9.2 and earlier, where if zooming in or out with a reference scale, the selected feature honors the reference scale and changes in size.
This is a known issue in ArcGIS Desktop 9.3, 9.3.1, 9.3.1 Service Pack 1 and 9.3.1 Service Pack 2.
ArcGIS Desktop 10 has an option for the selection symbol to honor the reference scale. This option can be found at Selection > Selection Options > Scale selection symbols when a reference scale is set.
The following steps make changes to the Windows Registry. It is recommended to make a backup your Windows Registry before modifying it.
If you want to turn off the option to have the selected feature symbol honor the reference scale in the future, please follow these steps:
- Open RegEdit and go to the following location:
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