To use the Find Full Text feature, you must configure EndNote preferences properly.
In EndNoteX20 and 21: Edit> Preferences > Find Full Text.
If you have an older version: EndNote X8 > Preferences > Find Full Text (Mac) or EndNote X9 > Edit > Preferences > Find Full Text,
In all cases, ensure all checkboxes are checked, and enter the following:
OpenURL Path: https://orbiscascade-washington.primo.exlibrisgroup.com
URL: http://offcampus.lib.washington.edu:80/login?url=http://www.lib.washington.edu
Click OK