I have a user that, in the past, has been able to use the "continue scanning from last page scanned" function in LF Scanning, but has since lost the option (button is greyed out). The user can still start scanning, and can also add additional pages after the initial scan (once initially scanned documents are in the folder), but they can't continue scanning after the initial scan.
I did update some of the access rights to the repository and folder that the user is scanning into, however, I can't pinpoint which access right may be the cause of the greyed out button, if that's part of the issue. Both Modify Contents and Append Data are checked off at the repository level and the specific folder they're scanning in to. No other user has issues with this, so that's why I think it's an Access Rights issue.