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Dell Unity 400 DC

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Dell Unity 400 DC

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Minimum, Recommended, and Latest Code Versions for Dell Technologies Servers, Storage, and Networking products
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:  December 22, 2025 ID: 000205512
PowerEdge: How to Subscribe to receive Dell Driver and Firmware Update notifications for PowerEdge Servers
To ensure optimal performance and stability for your Dell system, be aware of the latest updates available for the drivers and firmware. There are several systems to do this as explained in the article below.
Updated:  November 26, 2025 ID: 000127716
Dell Unity: How to check the active/live sessions for a SMB NAS Server (User Correctable)
This article shows how to check the live/active sessions for a SMB NAS Server using CLI
Updated:  December 18, 2025 ID: 000205484
Dell Unity: How to disable an SMB share from Unity
Is it possible to disable SMB shares from a NAS Server so that users cannot access the shares temporarily? (User Correctable)
Updated:  December 18, 2025 ID: 000226616
Dell Unity: NFS clients stop responding or encounter performance issues when accessing the destination side of replication
Random stop responding conditions and performance issues while trying to access the exports on the destination side of replication. (User Correctable)
Updated:  December 18, 2025 ID: 000187917
Dell Unity: How to check Drive End of Life (EOL) (User Correctable)
How to check Drive End Of Life (EOL) on Dell Unity arrays.
Updated:  December 15, 2025 ID: 000267404
Dell Unity: Several drives in expansion enclosures showing as faulted (User Correctable)
This article explains the symptoms and resolution of several drives appearing as faulted in a newly installed array (this could also happen if there is cross cabling after Unity has been installed)
Updated:  December 12, 2025 ID: 000199915
Dell Unity: Nonspecific error in UI while uploading Unity OE code for upgrade (Dell Correctable)
A blank upload error appears in the Unisphere dialog with no specific error message or error code.
Updated:  December 12, 2025 ID: 000190184
Dell Unity: Could not connect to the LDAP server. Recheck your LDAP configuration under Directory Services. (Error Code: 0x6000193) [User Correctable]
Unable to configure LDAP and LDAPS -- connection verification fails.
Updated:  December 12, 2025 ID: 000211909
Dell Unity: How to join NAS Server to Active Directory with non admin user credentials (User Correctable)
Customer does not wish to use domain administrator credentials to join NAS Server to AD due to security reasons. Customer would like to know what are the specific domain user permissions the NAS Server uses to Join to the Active directory.
Updated:  December 12, 2025 ID: 000212026
Dell Unity: Unable to restore a replicated LUN from snapshot after LUN expansion (User Correctable)
Unable to restore a replicated LUN from a snapshot created prior to LUN expansion. Error: 0x716f100a
Updated:  December 12, 2025 ID: 000200276
Dell Unity: Asynchronous Replication Session not transferring data (User Correctable)
Asynchronous replication session was created, yet no data is being transferred.
Updated:  December 12, 2025 ID: 000203359
Dell Unity: Unable to access Unity management interface using https://FQDN or https://ip.address (User Correctable)
Unable to access Unity management interface using https://FQDN or https://ip.address Access to Unity takes place using https://FQDN/?casHome=LOCAL and https://ip.address/?casHome=LOCAL
Updated:  December 12, 2025 ID: 000205133
Dell Unity: iSCSI initiators not working (User correctable)
Can ping across iSCSI IP addresses but cannot get the iSCSI initiators to work. iSCSI vs Replication interfaces.
Updated:  December 12, 2025 ID: 000212326
Dell Unity: Frequently Asked Questions (FAQ) about how disk firmware is upgraded (User Correctable)
This article answers some frequently asked questions about how the disk firmware is upgraded.
Updated:  December 12, 2025 ID: 000184676
DELL Unity: New Data Is Missing in the Source LUN and Snapshots
Customer found that data in source LUN was out-of-date, while checking all its snapshots, the data was as old as the source LUN.
Updated:  December 12, 2025 ID: 000185283
DELL EMC Unity: How to Check LDAP and LDAPS Connection State
This article explains how Unity connects to the LDAP/LDAPS server, how to check each step state. It also provides a guidance of troubleshooting connection problems.
Updated:  December 12, 2025 ID: 000185419
Dell Unity: Is Unity affected by CVE-2023-41080?
Determining whether Unity is impacted by CVE-2023-41080, vulnerability in Apache Tomcat's FORM authenticator for URL redirection to untrusted sites ('Open Redirect').
Updated:  December 12, 2025 ID: 000218431
Dell Unity: Is Unity affected by CVE-2023-24998?
This article will address whether Unity is affected by CVE-2023-24998
Updated:  December 12, 2025 ID: 000218433
Dell Unity: Pre-Upgrade Health Check: check_if_user_root_fs_has_enough_space_1 (Dell Correctable)
When performing a Pre-Upgrade Health Check (PUHC) on Unity OE 5.1 or later code, it may report an error: dm::check_if_user_root_fs_has_enough_space_1
Updated:  December 12, 2025 ID: 000219186
Dell Unity: This replication session has encountered an error (User Correctable)
Post file systems going to offline status and recovered, Synchronous replication sessions reported unrecoverable error: "This replication session has encountered an error. Try pausing, and then resuming the replication session. If the problem persists, delete, and then create the replication session again."
Updated:  December 12, 2025 ID: 000250922
Dell Unity: Moving NAS server from pool with no data reduction to pool with data reduction
This article explains one method to move a NAS server from a storage pool without data reduction to a storage pool with data reduction in a Dell Unity array, ensuring the migration can be done successfully while enabling data reduction benefits.
Updated:  December 12, 2025 ID: 000252638
Unity: VNX: ESXi Host grab uploaded to create a Host Report run-through "My-Work" is missing HBA information.
ESXi Host Report run through the Dell Technologies Central website "https://psapps.emc.com/central/my-work" is missing HBA information.
Updated:  December 12, 2025 ID: 000182981
Dell Unity: How to modify KMIP servers (Or switching to a different vendor)
How to modify Key Management Interoperability Protocol (KMIP) servers (OR switch to a different vendor).
Updated:  December 12, 2025 ID: 000223263
Dell Unity: Details About The Unity Performance Metrics Aging Policy (User Correctable)
What is the Unity Performance Metrics Aging Policy and the length of retention for Unity Performance Archive (UPA) files?
Updated:  December 11, 2025 ID: 000022757
Dell Unity: Too many sessions for NTServer (Dell Correctable)
CIFS Users get the error "Network BIOS session limit exceeded" when trying to access CIFS share.
Updated:  December 11, 2025 ID: 000056968
Dell End-of-Life Product List for Converged Infrastructure and Storage
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:  December 11, 2025 ID: 000185734
Dell Storage Compatibility Matrix Support Policy Statement
Dell Storage Simple Support Matrices on E-Lab Navigator provide the optimal interoperability for your storage solution.
Updated:  December 10, 2025 ID: 000126411
VNX: Storage Processor did not boot after re-imaging to 05.33.009.5.236
A Storage Processor fails to start after re-imaging to VNX Block version 05.33.009.5.236 because of a code deficiency in the Operating Environment for that release.
Updated:  December 09, 2025 ID: 000056941
ViPR SRM: VNX File Quotas Not Reporting Data
ViPR Dell EMC Storage Resource Management Suite (SRM) shows a blank file‑quota report; quotas are configured, yet the XML API fails with a Java heap space error due to insufficient heap memory on the ControlStation.
Updated:  December 09, 2025 ID: 000064529