Important Notes

• For instructions on updating QES to the latest version, open the following link. https://preview.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/

Enhancements

• To comply California laws, the default admin password is now the device's serial number converted to lowercase.
• If a local SnapSync job fails because of insufficient space, the event log now displays the reason.
• NFS now supports a user account being a member of more than 16 groups.
• Modified the rules for disk write errors to make them less sensitive.
• The event log now shows the reason that an export/import storage pool task failed.
• Enhanced the root account policy.

Fixed Issues

• The system could not check for firmware updates if proxy authentication was enabled.
• Under certain conditions, installing a QM2 card in the PCIX slot furthest from the power supply caused system startup errors.
• Under certain conditions, services would not work after a UPS recovery.
• Under certain conditions, users would temporarily loses access to their shared folders on one storage controller during controller restart, takeover, or giveback.
• Under certain conditions, users could not access their shared folders using NetBIOS after the NAS had restarted.
• Under certain conditions, a disk would drop out of a RAID group after clicking Reset System Storage Pool.
• NAS free space appeared to be different from the QES UI and from a Windows client.
• Changed NTB link judgment timeout to 1 second to prevent abnormal storage controller restarts.
• Modified dual controller client and session handling for NFS 4.1 multipath, to prevent NFS disconnections when HA is in Takeover mode.
• The source name and destination hostname can no longer be the same when creating a remote SnapSync job.
• Added iSCSi ACL. This feature allows you to restrict which LUNs an iSCSI initiator can see after connecting to the NAS.
• Added retention time feature to the recycle bin. Every day the system automatically deletes files that have been in the recycle bin for longer than the specified time.
• Several minor bug fixes.