Download Firmware QNAP TS-xx0/xx2/xx9 4.2.1 build 20160601

QNAP has released an update to version 4.2.1 of the firmware included on various models of its NAS devices. The first thing that stands out in version 4.2 is the completely redesigned interface. In addition, security has been improved. For example, a two-step login procedure can now be set up, via a login code generated with an app. In addition, media can now be streamed to several devices simultaneously and several improvements have been made regarding virtualization and storage management. The complete changelog is up this page to find. The following issues are fixed in this update:

QTS 4.2.1 Build 20160601 Bug Fixes

• Fixed an issue where Snapshot Manager would get stuck when loading a volume that contains more than 80,000 folders.
• Fixed an issue where a NAS would randomly reboot when migrating VMs from one LUN to another in ESXi.
• Fixed an issue where users would be unable to set Windows ACLs after updating QTS to version 4.2.1 (build 20160419).
• Fixed an issue where external device backup jobs created in Backup Station would disappear after updating QTS from 4.2.0 to version 4.2.1.
• Fixed an issue where backup jobs would fail to back up encrypted folders on the NAS to external devices (but the job status would show “finished”).
• Fixed an issue where users would be occasionally unable to rename folders on the NAS using Safari on a Mac.
• Fixed an issue where the NAS would get stuck on the “loading data, please wait…” message when opening “Control Panel” > “Network” after a router was set to block Port 80.
• Fixed an issue where users would be unable to log in to QTS using Safari’s Private Browsing window.
• Fixed an issue where the NAS would fail to detect snapshots containing volumes that are more than 20TB in size.
• Fixed an issue where subdirectories within aggregated folders on the NAS would become inaccessible using Samba (File Explorer) in Windows 10.
• Fixed an issue where an rsync backup job would fail when backing up Container Station’s data folders.
• Fixed an issue where accessing folders on external devices using File Station would fail after setting folder permissions for those folders.
• Fixed an issue where Excel files stored on a NAS could not be concurrently opened by multiple Mac users if these files are already opened by a Mac user.
• Fixed an issue where RTRR jobs would fail if more than 132 job instances are concurrently executed.
• Fixed potential CGI vulnerabilities. Users are advised to upgrade their NAS firmware with this release.