(2020-07-16)

Important Note

What's New

Fixed Issues

(2020-06-09)

Important Note

Fixed Issues

(2020-05-13)

Important Note

What's New in DSM 6.2.3

Fixed Issues

Known Issues & Limitations

(2020-04-15)

Important Note

(2019-11-05)

Important Note

Fixed Issues

(2019-08-21)

Important Note

What's New

Fixed Issues

(2019-07-04)

Important Note

What's New

Fixed Issues

(2019-06-11)

Important Note

Fixed Issues

(2019-04-29)

Important Note

What's New in DSM 6.2.2

Fixed Issues

(2019-02-19)

Important Note

Fixed Issues

(2018-12-27)

Important Note

Fixed Issues

(2018-12-21)

Important Note

Fixed Issues

(2018-12-11)

Important Note

Fixed Issues

(2018-10-16)

Important Note

Fixed Issues

(2018-08-29)

Important Note

For the following models, DSM 6.2 will be the last upgradable version. DSM 6.2 will continue to receive critical and security updates until June 2023 after the official release. Please refer to the DiskStation Manager Life Cycle section in Synology Security White Paper .

This update will restart your Synology NAS.

After system upgrades to DSM 6.2.1, the HASP package will not be supported.

The update is expected to be available for all regions within the next few weeks, although the time of release in each region may vary slightly.

What's New in DSM 6.2.1

When you install or upgrade your DSM version through the Internet, it will now automatically be upgraded to the corresponding DSM version with critical and security updates. The following models are not available due to hardware performance limitations.

You can now convert legacy Advanced LUNs into new Advanced LUNs, which come with instant snapshots and performance improvements.

Space reclamation speed of legacy Advanced LUNs is now adjustable.

Fixed Issues

Fixed an issue where users may not be able to delete snapshots when the volume is full.

Fixed an issue where Windows may falsely detect an error on an exFAT format USB drive after it is used as the backup destination of Hyper Backup.

Improved Snapshot Replication package stability.

Fixed an issue where incorrect or incomplete update information may be displayed in the DSM Update tab.

Fixed an issue where a single RAID with over 24 drives may fail to assemble a RAID 5/6/F1 or SHR 1/2 storage pool.

Fixed an issue where boot failure might occur if the system was rebooted during the conversion process from RAID 5 to RAID 6.

Enhanced the compatibility of certain drives on Synology NAS and Expansion Unit models.

Fixed an issue where local users may fail to log in via SMB on specific Windows versions after adding their NAS to a Synology Active Directory domain.

Improved Windows client's clock synchronization with DSM after it is added to a Synology Active Directory domain. Upgrading Active Directory Server to version 4.4.5-0077 or above is required.

Modified HDD hibernation mechanism to prevent HDDs from entering hibernation when a volume is degraded, crashed, or not created.

Adjusted the default range of passive FTP/FTPS ports to align with maximum concurrent connections of each model.

Fixed multiple security vulnerabilities regarding Linux kernel (CVE-2018-1000199, CVE-2018-8897, CVE-2017-0861).

Fixed a security vulnerability regarding OpenSSL (CVE-2018-0739).

Fixed a security vulnerability regarding procps-ng (CVE-2018-1124).

Fixed a security vulnerability regarding ISC DHCP (CVE-2017-3144).

Fixed multiple security vulnerabilities (Synology-SA-18:51).