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Information about customer replaceable unit (CRU) videos for Dell Technologies Unity products
Updated: July 07, 2026
ID: 000262236
This document highlights minimum, recommended, and latest code versions for Dell Technologies Enterprise and Data Center Infrastructure products. Dell carefully evaluates and monitors code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.
Updated: July 06, 2026
ID: 000205512
This KB explains how to manage VNX's unisphere using an LDAP user
Updated: July 07, 2026
ID: 000019503
The Pre-Upgrade Health Check (PUHC) script fails. The tar reports 'This does not look like a tar archive' and header errors, caused by the browser incorrectly decompressing the tar.gz file.
Updated: July 07, 2026
ID: 000052568
Dell Unity: Unable to retry or resume upgrade (User correctable)
Updated: July 07, 2026
ID: 000052735
A Dell Unity software upgrade fails with 'Health Check Error:check_replication_health_2, check_replication_health_5'. The software update could also fail with 'Warning: check_replication_health_4'.
Updated: July 07, 2026
ID: 000058805
Dell Unity: Error 14:600038" "The maximum number of file-based snapshots allowed will be reached in XX day(s) and XXhour(s). The current percentage is XX of the maximum size."(User Correctable)
Updated: July 07, 2026
ID: 000063268
Upon Dell EMC Unity Code upgrade from 4.x.x to 5.x.x, certain drives running C342 FW can be exposed to drive unavailability due to firmware issue.
Updated: July 07, 2026
ID: 000182501
A dial home test message is sent via ConnectHome.
Updated: July 07, 2026
ID: 000215111
When a Unity system initiates a call home to open a service request for a support issue, it sends the customer's contact information along with the alert message. This simplifies the process for Technical Support engineers to contact the appropriate individuals.
Up-to-date contact information ensures that Technical Support has the most accurate information for contacting the customer in response to a support issue.
Dell Technologies recommends keeping the primary contact's information up to date in Unity Unisphere. This article shows how to do so.
Updated: July 07, 2026
ID: 000216364
When creating a Proxy NAS Server, if the NAS Server name contains spaces, the addition fails.
Updated: July 07, 2026
ID: 000218631
This article explains how to manage admin and service account passwords on Dell Unity systems. It provides instructions for changing passwords, unlocking a locked service account, and resetting admin or service passwords when access is lost.
Updated: July 07, 2026
ID: 000022355
This article explains how to configure the file filtering feature on Dell Unity file systems.
Updated: July 07, 2026
ID: 000022468
This article shows how to find the Dell Unity Serial Number (SN) when looking for CTA Virtual Edition (VE) support, since CTA VE, when implemented with Unity, has no SN to open a case with, instead the Unity SN is used.
Updated: July 07, 2026
ID: 000022645
This article explains the "dm::check_filesystems_health_4" warning during a Unity pre‑upgrade health check (PUHC). The PUHC indicates potential file system issues to review before upgrading. It outlines the cause, verification steps, and recommended remediation to ensure that the system is healthy before upgrading.
Updated: July 07, 2026
ID: 000052548
Dell EMC Unity: Deployment KB: How to enable CEPA on NFS only NAS Server
Updated: July 07, 2026
ID: 000060271
Dell EMC Unity: Replication Resume message after failing over with sync indicates a full sync operation
Updated: July 07, 2026
ID: 000063277
Storage Processors (SPs) may panic due to a memory leak.
Updated: July 07, 2026
ID: 000082028
There are many reasons for not being able to renew/remove a VASA certificate. This article covers only the attempt to renew/remove when the Certificate Validation fails due to "Certificate Chain too long".
Updated: July 07, 2026
ID: 000185269
Call home alert 14:170050 The license has expired
Updated: July 07, 2026
ID: 000188107
A dial home alert (14:38004e) has been generated indicating that the “service” user home directory has exceeded its allocated disk space, potentially impacting system operations such as core dump file storage.
Updated: July 07, 2026
ID: 000188518
Issue: Changing attribute access to a host like read-only, R/W, or root, sends an error of having a duplicate host in the list.
Updated: July 07, 2026
ID: 000190311
Unity supports the ability to host multiple tenants on a single system for service providers who would like to isolate group of VLANs from the rest, also tenants helps admins as NAS servers belonging to same tenant will have the tenant's name visible beside each NAS server which eases the NAS servers grouping and classification.
NAS servers created with access to the tenant will have access to the VLANs included in the tenant.
Dell Unity’s flexible pool-based architecture also enables the ability to separate each tenant onto
their own pools for separation at the drive level, if necessary.
Updated: July 07, 2026
ID: 000192936
SFTP disconnection seen post Unity Code Upgrade to OE 5.0.7 version
Updated: July 07, 2026
ID: 000195892
The file system is offline and requires recovery. This may be caused by the pool being offline. Fix the issue on the pool first. If the problem still exists, contact your service provider.
Updated: July 07, 2026
ID: 000225762
Critical alert: An I/O module in the Disk Processor Enclosure has faulted and must be replaced.
Updated: July 07, 2026
ID: 000225951
The I/O module is powered off. Try rebooting the Storage Processor (SP). If the I/O module remains powered off after a reboot, you may have to replace the I/O module. (Dell Correctable)
Updated: July 07, 2026
ID: 000242037
This article shows how to gather logs and data to diagnose Unity array performance issues.
Updated: July 03, 2026
ID: 000022748
Dell Technologies guidance to mitigate risk and resolution for the side-channel analysis vulnerabilities (also known as Meltdown and Spectre) for servers, storage, and networking products. For specific information about affected platforms and next steps to apply the updates, see this guide.
Updated: July 02, 2026
ID: 000178106
This article addresses a UEMCLI execution failure characterized by Error Code 0x6000001, where the system returns an “Operation failed” message indicating access has been denied.
Updated: July 02, 2026
ID: 000090633