Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored. Starting from this version, logs for drives will no longer appear in Storage Manager > HDD and will be available only in Log Center. Fixed an issue where the system might send incorrect port forwarding notifications after a restart. Added visuals of Synology NAS models with their drive slots, expansion units, and built-in M.2 slots to help users view drive status. Added the ability to delegate predefined administrator roles to non-administrator user accounts and allow them to manage certain services and system settings, offering more flexible permission management.

Added support for custom OIDC (OpenID Connect) settings to integrate DSM with external SSO servers. Surveillance Station must be updated to version 9.0.1- 7673 or above to be compatible with this update. The maximum single volume size supported by RS2423+​/​RS2423RP+ has been adjusted to 200 TB (with a minimum system memory requirement of 32 GB). Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I/O-intensive environments. ( Learn more) Starting from this version, only Windows Server 2008 R2 and above versions will be supported. After installing this update, the current Windows Server 2008 domain and earlier versions will be unavailable.Series: RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS620slim, DS420+, DS420j, DS220+, DS220j, DS120j

Supports customizing the low capacity notification for individual volumes when their available space drops below the specified value. Fixed an issue where exFAT external storage devices could not mount successfully when the available system memory was fragmented. Fixed the issue where the system might incorrectly prompt "drive slot disabled” notice when a DS413 or DS213+ wakes up from deep sleep. PCIe add-in cards, expansion units, and storage drives are sold separately. Refer to the compatibility list for compatible devices.Fixed an issue where there is a slight possibility that the SMB service might be shortly disconnected the moment users apply SMB setting modifications. Series: RS2818RP+, RS2418RP+, RS2418+, RS818RP+, RS818+, DS1618+, DS918+, DS718+, DS418, DS418play, DS418j, DS218+, DS218, DS218play, DS218j, DS118, RS3618xs, DS3018xs Added the ability to pin all Btrfs metadata to SSD caches to enhance the performance of accessing small files and shorten the response time when accessing files regularly.

Central Management System no longer supports managing Synology NAS with DSM version earlier than DSM 6.2. Please update all managed servers to DSM 6.2 or above first. Managed servers that are unable to update to DSM 6.2 should be disjoined from the CMS host before the update. Adjusted the fan speed to fix a potential overheating issue when a Synology network interface card (E10G18-T1, E10G18-T2, E10M20-T1, E10G21-F2, E25G20-F2) is used as the Heartbeat connection in an SHA cluster or for Open vSwitch.

DDSM is incompatible with DSM 7.0. To continue using DDSM, you should retain the current DSM version. To update to DSM 7.0, please delete DDSM first.