The download page says that ArcGIS for AutoCAD works on AutoCAD 2009, while KB article 34025 says that ArcGIS for AutoCAD is only supported on 2007 and 2008.
Last Published: August 25, 2014ArcGIS for Desktop
Bug ID Number
NIM042097
Submitted
February 2, 2009
Last Modified
April 2, 2025
Applies to
ArcGIS for Desktop
Version found
9.3
Version Fixed
N/A
Status
Fixed
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.
Additional Information
Updated documentation in Knowledge base article 34025