QuTS hero h5.2.9.3492 build 20260507
2026-05-13
Applicable Models
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TS-h2490FU/TS-h1090FU
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TS-h1290FX
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TDS-h2489FU/TDS-h2489FU R2
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TS-h3088XU-RP
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TVS-h1288X/TVS-h1688X
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TS-h987XU-RP/TS-h1887XU-RP/TS-h2287XU-RP/TS-h3087XU-RP
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TS-h1886XU-RP/TS-1886XU-RP/TS-1886XU-RP R2/TS-h1886XU-RP R2
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TS-h686/TS-h886
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TNS-h1083X
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TS-h1283XU-RP/TS-h1683XU-RP/TS-h2483XU-RP/TS-883XU/TS-883XU-RP/TS-983XU/TS-983XU-RP/TS-1283XU/TS-1283XU-RP/TS-1683XU/TS-1683XU-RP/TS-2483XU/TS-2483XU-RP
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TS-h977XU-RP/TS-h1277XU-RP/TS-h1677XU-RP/TS-h2477XU-RP
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TS-h1277AXU-RP/TS-h1677AXU-RP/TS-h2477AXU-RP/TS-h3077AFU/TS-h1077AFU
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TVS-h1675U-RP/TVS-h1275U-RP/TVS-h875U-RP/TVS-h875U
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TVS-675
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TVS-h474/TVS-h674/TVS-h874/TVS-h874X/TVS-h674T/TVS-h874T
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TBS-h574TX
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TS-873AU/TS-873AU-RP/TS-1273AU-RP/TS-1673AU-RP/TS-873AeU/TS-873AeU-RP
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TS-h973AX/TS-473A/TS-673A/TS-873A
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TVS-672X/TVS-872X/TVS-672N/TVS-872N/TVS-472XT/TVS-672XT/TVS-872XT
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TS-1655/TS-855X
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TS-855eU/TS-855eU-RP/TS-h1655XeU-RP
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TS-253E/TS-453E
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HS-264/TBS-464/TS-364/TS-464/TS-664/TS-264/TS-464C2
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TS-466C
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TS-464U/TS-464U-RP/TS-1264U-RP/TS-464eU/TS-864eU/TS-864eU-RP
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TS-i410X/TS-410E
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TS-h765eU/TS-h665U/TS-h665U-RP/TS-h1465U-RP/TS-h1065eU/TS-h1065eU-RP
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TS-h1277AFX/TVS-h877AX/TVS-h1277AX/ TVS-h1677AX
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Qu805/Qu605/Qu405/TS-h665/TS-h865
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QAI-h1290FX
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Security Updates
- Applied multiple security updates to further enhance system security.
Fixed Issues
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Fixed an issue that would cause the symbolic link of an external USB drive to disappear.
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Fixed an issue where the Dashboard would incorrectly display a volume as “Full” when the volume was set to read-only.
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Fixed an issue where Resource Monitor could not display the name or ID of disks installed on the TL-R1220Sep-RP expansion unit.
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Fixed an issue where the system would also restore additional application data when restoring a system pool, thus interfering current application functionality.
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Fixed an issue where users could not perform a reverse DNS lookup via PTR from the localhost.
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Fixed an issue where the system would send packets to external networks via 127.0.0.0/8 (loopback addresses).
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Fixed an issue that would cause system instability during large file transfers from an external HDD to the NAS.
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Fixed an issue where the system could not resume a storage pool expansion after importing this storage pool.
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Fixed an issue with anomalous IR-related event logs during system startup even though the IR sensor was disabled.
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Fixed an issue where Notification Center would incorrectly display the error message “SMTP service account already exists” when users tried to create a custom SMTP service account.
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Fixed an issue where QuTS hero would not restore a shared folder whose description contained certain special characters when restoring system settings.
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Fixed an issue where users could not expand a thick shared folder after converting a thin shared folder to a thick shared folder.
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Fixed an issue where the NAS could not join an Active Directory domain on which the NTLM protocol was disabled.
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Fixed an issue where SMB access to NAS shared folders would be slightly delayed when one of domain controllers was shut down in a dual-controller environment.
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Fixed an issue where notification messages in Notification Center would occasionally stay stuck in queue.
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Fixed an issue where users could not shut down QuTScloud if QEMU Agent was enabled.
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Fixed an issue where the system would display a message about network speed mismatch when users enabled SMB multichannel for a virtual switch.
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Fixed an issue where the system would not delete temporary files after backing up system files.
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Fixed an issue where mcelog would keep sending error messages if it did not support the processor on the NAS model.
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Fixed an issue where users sometimes could not play back MKV videos on the fly in File Station on NAS models with ARM processors.
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Fixed an issue in the deduplication process to improve system stability.
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Fixed an issue where the data type of OID (Object Identifier) returned by SNMP Agent was not consistent with the definition of MIB (Management Information Base).
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Fixed an issue where Notification Center and QuLog Center would not display the same event logs when using the “last 24 hours” filter.
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Fixed an issue where users could not transfer files from macOS to an HFS+ external drive on the NAS via SMB.
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Fixed an issue where uploading a large number of files to a shared folder via a SmartURL would fill up the /tmp directory.
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Fixed an issue where HBS installation location would be changed to the default volume when HBC Agent triggered an auto update for HBS, causing job loss in HBS.
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Fixed an issue where new users could still log in via SMB without changing their password even though “Change password on first login” was enabled.
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Fixed an issue where users could not close the wizard of Restore System Settings.
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Fixed an issue where domain users could not view some shared folders via FTP after administrators added a domain user group.
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Fixed an issue where Notification Center would display an “account already exists” error when users tried to create an STMP account whose domain name contained uppercase letters
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Fixed an issue where a guest user would connect to the tmp folder when trying to connect to the NAS home folder.
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Fixed an issue where LDAP domain users could log in to the NAS via SMB but not via HTTP/HTTPS.