Synology has just released an update with several important enhancements for the DiskStation Manager (DSM) 5.2. It is available for download on your DSM: Control Panel > Update & Restore. It is always recommended that you install the latest update to obtain an even smoother user experience. Should you encounter any issues, please do not hesitate to contact their expert support team. If you haven't upgraded to DSM 5.2-5644 Update 1, it can be found at their Download Center. Fixed Issues To enhance the security level, administrator accounts with blank passwords will no longer be allowed and will be disabled after this update. Improved general stability when numerous application privilege rules are applied to individual users/groups.