Error 1904: failed to register rasterworkspacefactory.dll

Last Published: April 25, 2020

Error Message

Installing ArcGIS 9 on a system with Adaptec EasyCD Creator software installed may result in the following errors:

"Error 1904: failed to register rasterworkspacefactory.dll."

"Error 1904: failed to register basicrastersdeloader.dll."

"Error 1904: failed to register sderasterdb.dll."


Adaptec EasyCD Creator software can interfere with the registration of these three DLLs.

Solution or Workaround

Reinstall ArcGIS 9 after removing the Adaptec EasyCD Creator software.

  1. Uninstall both ArcGIS 9 and the Adaptec EasyCD Creator software.
  2. Reinstall ArcGIS 9.

Article ID:000007200

  • ArcMap 9 x

Receive notifications and find solutions for new or common issues

Get summarized answers and video solutions from our new AI chatbot.

Download the Esri Support App

Discover more on this topic

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options