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Dell EMC Unity 500

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Dell EMC Unity 500

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This document highlights minimum, recommended, and latest code versions for Dell Technologies Enterprise and Datacenter Infrastructure products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.
Updated:  February 02, 2026 ID: 000205512

Dell guidance to mitigate risk and resolution for the side-channel analysis vulnerabilities (also known as L1 Terminal Fault or L1TF) for servers, storage, and networking products. For specific information about affected platforms and next steps to apply the updates, see this guide.
Updated:  January 13, 2026 ID: 000137307

In Unity 5.5, File System (FS) access can be provided using a Network File System (NFS) mount using NFSv3 or NFSv4 file sharing protocols. This is typically done for Logical Unity Numbers (LUN) and NFS datastores with specific mounting parameters and then scripted for various groups of hosts. A directory is created for the mount point when mounting file shares using NFSv4.2. If the directory security label (sec_label) parameter has no data assigned to it, the Unity Service Processors (SP) can panic and reboot unexpectedly.
Updated:  February 02, 2026 ID: 000334226

Dell UnityVSA and Dell Unity XT remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.
Updated:  February 02, 2026 ID: 000385307

Explore the Dell End of Service Life (EOSL) and End of Life (EOL) list for converged infrastructure, storage, and storage networking products. Access End-of-Life documents for hardware, software, and firmware release and service dates
Updated:  February 02, 2026 ID: 000185734

The Disk Processor Enclosure (DPE) has faulted.
Updated:  February 02, 2026 ID: 000064276

NAS Server Replication Session creation failing
Updated:  February 02, 2026 ID: 000064302

The Disk Array Enclosure (DAE) has faulted.
Updated:  February 02, 2026 ID: 000064303

​DPE fault LED is on due to fault with LCC cable or connector.
Updated:  February 02, 2026 ID: 000064309

Dell Unity OE Matrix, release dates, recommended code, and so on.
Updated:  January 30, 2026 ID: 000020641

This KB article is a list of technical documents and videos produced by Dell Technologies.
Updated:  January 29, 2026 ID: 000182342

Dell UnityVSA and Dell Unity XT remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.
Updated:  January 29, 2026 ID: 000421197

UnityOS Image upload may fail due to network instability during the transfer process. This document describes the symptoms, a possible cause, and resolution steps.
Updated:  January 29, 2026 ID: 000412686

Dell Unity reports Call Home Alert 14:38002a / 14:38002b the System's Root Drive Is Running Out of Space.
Updated:  January 27, 2026 ID: 000064272

This KB article details an issue in which the array predicts drives to wear out in less than 180 days.
Updated:  January 27, 2026 ID: 000064271

This KB article details 2020 Lightweight Directory Access Protocol (LDAP) channel binding and an LDAP signing requirement for Windows CVE-2017-8563.
Updated:  January 27, 2026 ID: 000063278

Newly added users are unable to access share in a multiprotocol file system.
Updated:  January 27, 2026 ID: 000223045

The article provides links to Dell Unity All-Flash and Hybrid product documentation and information including configuration, documentation, administration, and specifications. Various links describe how to install, manage, monitor and service a Unity system, and how to add and replace Unity hardware components.
Updated:  January 26, 2026 ID: 000126652

This KB explains how to handle situations where the hostname or friendly name of Unity is not updated on the syslog server.
Updated:  January 23, 2026 ID: 000418206

Unity system records [ERROR] caused by LCC cables being plugged into the wrong ports of the DAE (User Correctable)
Updated:  January 23, 2026 ID: 000051905

Creating an SMB share -called "home"- for an FS fails. By default, Unity has an enabled feature called "Home Directory Feature." A special share name, HOME, is reserved for the home directory. (User Correctable)
Updated:  January 23, 2026 ID: 000022520

Failed to add NTP server on Unity, Error: Cannot create NTP servers. At least one of the specified NTP servers is not working.
Updated:  January 22, 2026 ID: 000202144

This article discusses whether CVE-2023-45802 affects Unity.
Updated:  January 22, 2026 ID: 000220765

If two (2) Dell Unity arrays are connected together using the SAS port on the Disk Processor Enclosure (DPE), Data Unavailable and Data Loss can occur.
Updated:  January 22, 2026 ID: 000351789

After upgrading code 5.2.1.0.5.013 or higher, Unisphere reports warning message regarding the spare drive policy.
Updated:  January 22, 2026 ID: 000207645

Common Internet File System (CIFS) Virtual Data Mover (VDM) Import using Import Migration tool (IMT) fails due to NFS exports, DNS mismatches, ACL errors, missing migration interface, C$ share issues. (User Correctable)
Updated:  January 22, 2026 ID: 000054785

Nessus Full Safe Vulnerability Security Scan recommends disabling specific SSL/TLS CBC ciphers on Unity. Currently, these ciphers cannot be disabled on Unity.
Updated:  January 20, 2026 ID: 000202982

Cannot update destination because destination pool is full
Updated:  January 15, 2026 ID: 000063260

Arrays's own FC Port WWNs visible in the initiators tab in Unisphere after upgrade to 4.4 (User Correctable)
Updated:  January 15, 2026 ID: 000057297

This is an entry point for starting to troubleshoot a Unity to EMC ESRS connection issue. It is designed to show where to look for messages & common meanings for the related error problems.
Updated:  January 14, 2026 ID: 000056592