Fixed sinceThe problem described in this KB article has been completely fixed since Parallels Plesk Panel 11.5 (see release notes).
SymptomsThe event "Hosting settings updated" is not triggered while updating SSH access properties of a FTP user from Parallels Panel UI.
ResolutionPut attached files onto the affected server as below:
Edit.php over /usr/local/psa/admin/smb/application/library/Smb/Form/Final/Web/Edit.php
Hosting.php over /usr/local/psa/admin/smb/application/library/Smb/Plesk/Bridge/Hosting.php
Patch fo Plesk 11.0.9 in attached file bug80855_11_0_9_unix.tar.gz
File is packed for /usr/local/psa/admin/smb directory.