Important Notes

• For instructions on updating QES to the latest version, open the following link. https://www.qnap.com/en/how-to/faq/article/my-nas-is-running-an-older-version-of-qes-can-i-update-to-the-latest-version-directly-what-sequence-should-i-follow-when-updating-qes
• For release note history, open the following link. https://www.qnap.com/en/releasenotes_qes/

New Features

• You can now import SNMP data into PRTG Network Monitor, by manually importing the MIB file.
• BBU learning is automatically paused when only one storage controller is online, in order to prevent cache data loss during unexpected shutdowns.
• Scheduled SnapSync now has the option to repeat the job every X hours within each time period and set an end time.

Enhancements

• You can now enable or disable Lock Delay when creating a WORM folder.
• Now can modify a port's MTU value after enabling network trunking.
• Enhanced performance when using NFS or iSCSI.
• Strengthened NAS Security.

Fixed Issues

• Changing the policy of calculating file size in folders during creating a Rsync job to optimize replication speed.
• Large files caused an error message when creating an Rsync job.
• Clicking Main Menu > Feedback showed an error message.
• Under certain conditions, the High Availability feature did not work correctly.
• Under certain conditions, an SMB connection to the NAS would freeze and time out on the client.
• Under certain conditions, restoring a file or folder from a snapshot would fail.
• Replacing a storage controller could cause some disks to become inconsistent.
• Under certain conditions, an EJ series expansion unit would produce an abnormal error message.
• Under certain conditions, a test restore of a scheduled SnapSync job would fail.
• Several minor bug fixes.