laptop and a wrench


Loading a raster with the Enhanced Compression Wavelet (ECW) format into a mosaic dataset crashes ArcMap 10.3.1 if the process is run in the background and the 64-bit background geoprocessing patch is installed.

Last Published: August 19, 2020 ArcGIS for Desktop
Bug ID Number BUG-000091752
SubmittedOctober 27, 2015
Last ModifiedNovember 24, 2020
Applies toArcGIS for Desktop
Version found10.3.1
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.


Disable background geoprocessing.Export the ECW to a different format such as a TIFF or file geodatabase raster, then add the new format to the mosaic dataset.Uninstall the 64-bit background geoprocessing patch.

Steps to Reproduce

Bug ID: BUG-000091752


  • 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