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

• SnapSync now supports syncing data between QES and QuTS hero.
• Added support for the following expansion cards: QXP-820S-B3408, QXP-1620S-B3616W.

Enhancements

• QES now notifies you to update the NAS firmware if the source and destination SnapSync versions are not equal.
• QES now reminds you to configure the pool scrub schedule if it is not configured.
• You can now set start and end times for the pool scrub schedule if when the time period is set to daily.
• When rebuilding a RAID group, if there are several spare drives then QES now chooses the spare drive with the closest capacity to the failed drive.

Fixed Issues

• Modified the LED behavior of single-controller models so that it is consistent with dual-controller models.
• Some SNMP OIDs were abnormal.
• Under certain conditions, a drive would not become a spare drive after deleting its storage pool.
• Creating a SnapSync job would fail if "Force secure connection (SSL) only" was enabled on the destination NAS.
• Using Windows Previous Versions to restore a folder would fail if the folder had a very high number of files and snapshots.
• Fixed several minor bugs.