Dell EMC Unity 300F

Information about customer replaceable unit (CRU) videos for Dell Technologies VxFlex Ready node products

This article contains information about customer replaceable unit (CRU) videos for Dell Technologies VNX and VNXe products.

There is a change in SNMP Trap notification behavior after the Unity OE 5.2 upgrade. Before the upgrade, the system sent an SNMP alert for all configured events as often as they occurred. After the upgrade to OE 5.2 or later, only five SNMP alerts for the same event are sent within a 24-hour window.

Unisphere UI fails to log in as LDAP User when TLS1.0 is disabled with message "The logged in user is not authorized to access Unisphere."

Unable to configure LDAP and LDAPS -- connection verification fails.

Adding NTP server fails with "Cannot create NTP servers. At least one of the specified NTP servers is not working (Error Code:0x6000840).

Information about customer replaceable unit (CRU) videos for Dell Technologies PowerProtect and Data domain products

Information about customer replaceable unit (CRU) videos for Dell Technologies Powerflex products

Information about customer replaceable unit (CRU) videos for Dell Technologies ECS products

Information about customer replaceable unit (CRU) videos for Dell Technologies Unity products

Information about customer replaceable unit (CRU) videos for Dell Technologies Connectrix products

Dust or chemical contamination at the endface of a fiber optic LC connector or transceiver module impedes signaling. Dell engineering teams have verified cases in which a fully functional port appears to be a bad port because dirty optical connectors manifest as a port failing loop testing with acceptable power measurement levels. Cable connectors should be cleaned and when stored must be protected from dust particle or chemical contamination.

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)

This KB provides the method to check active open file count for NFS (NFSv4 only) and active connected NFS client (both NFSv3 and NFSv4) on a live Unity system.

Dell Unity array dials home with error code 1:12dc501 - An internal system service X is offline. Some system services may not be available.

After Windows update Windows server can no longer connect to event logs exported from NAS servers on Unity

This KB details the Management account roles on the Dell Unity and Dell Unity XT systems.

This article explains how to address or order a failed drive in a Dell Unity system for SymptomCode: Neo14:60258 (User Correctable)

Alert 14:38005a is generated when using SupportAssist. The SupportAssist metadata partition has less than xx% of its drive space left. Your SupportAssist function may be affected.

This article describes the errors that are displayed when attempting to join a NAS server to an Active Directory domain (User Correctable)

Some security audit tools may report that a Unity NAS server does not regularly change its computer account password. By default, the Unity NAS server does not change its computer account password regularly. Windows computers change their machine account password every 30 days. (User Correctable)

Attempts to configure LACP results in error: Failed: The system was unable to change the link aggregation settings. This may have occurred because of memory fragmentation. Consider rebooting the relevant SP. (Error Code:0x6000dfc)

This document describes the objects and equipment used by Customer Engineers (CEs) when on-site. Please check and prepare in advance.

This KB describes one of the causes of SupportAssist configuration failures.

Newly added users are unable to access share in a multiprotocol file system.

This KB explains how to manage VNX's unisphere using an LDAP user

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.

This KB describes one of the causes of the 0x900a008 error when creating an NFS share.

Is LLDP supported on a Dell Unity array?

This article discusses whether Unity is susceptible to CVE-2026-20833.