We had a requirement by one of our Drupal client of configuring IMCE to CKeditor instead of ckfinder. I have faced the following issues after changing the file browser type as IMCE in CKeditor.
Many Drupal users have reported that their IMCE file browser is not listing files uploaded via FTP. IMCE had no issues when displaying the existing files but it fails to display files which have been transferred via FTP. If you are facing the same scenario in the Drupal IMCE module of your Drupal installation then continue reading to get the solution.
Many Drupal users have reported that the IMCE toolbar in missing in their Drupal site. The toolbar found in the Drupal IMCE module is used for browsing the server and more importantly for uploading files to the server. If you find that the IMCE tool bar is missing in your Drupal installation then continue reading to find out the solution for this problem.
Some Drupal users have found that after they configured the Drupal CKEditor module to use Drupal IMCE as the file browser, the upload button was missing. The same problem has also occurred with the Drupal FCKEditor module and has been reported by some Drupal users. If you have discovered that the File Upload Button is missing in your Drupal website then continue reading to get the solution.