laptop and a wrench


Data Frame display units show as unknown units when set the reference scale in the data frame properties window after setting the display units to Degrees Minutes Seconds.

Last Published: August 19, 2020 ArcGIS for Desktop
Bug ID Number BUG-000088859
SubmittedJuly 6, 2015
Last ModifiedNovember 24, 2020
Applies toArcGIS for Desktop
Version found10.3
Operating SystemWindows
Operating System Version7
StatusWill Not Be Addressed

Additional Information

We apologize that we were unable to address this issue within the current product support cycle.  If the issue continues to affect your work in a supported release, please contact Technical Support.


1. Set the Display Units to Degrees Minutes Seconds in the ArcMap Options > Data View tab. 2. Set the reference scale by right clicking on the data frame and selecting Reference Scale > Set Reference Scale.

Steps to Reproduce

Bug ID: BUG-000088859


  • ArcGIS for Desktop

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options

Discover more on this topic