Can I use an existing 8.0.x license file and/or hardware key for ArcGIS 8.1?

Your existing 8.0.x hardware keys will work with ArcGIS 8.1 as long as the number matches the ESRI_SENTINEL_KEY number in the license file you are using for 8.1.

Your 8.0.x license files will unlock ArcInfo 8.1, ArcSDE 8.1, Spatial Analyst (if you were previously licensed for GRID), 3D analyst (if you were previously licensed for TIN), ArcPress and the existing workstation extensions.

However, if you purchased ArcEditor, ArcView (Floating), the Geostatistical Analyst or Streetmap USA extensions, you will need to acquire an 8.1 license file that contains these additional features.

For more information, see the following sections:

License availability

Obtaining licenses