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Dell EMC Data Domain workaround and mitigation is available before remediation for the Apache Log4j Remote Code Execution Vulnerability that may be exploited by malicious users to compromise the affected system. Dell recommends implementing this remediation as soon as possible in light of the critical severity of the vulnerability.
Updated: May 12, 2026
ID: 000194503
This article explains how support for newly introduced regions can be added for already supported and qualified Cloud Tier providers on Data Domain systems.
Updated: May 12, 2026
ID: 000193955
Message "Alert: Security officer user account must be created." received after upgrading IDPA to version 2.7.
Updated: May 13, 2026
ID: 000198128
This article serves as an overview of SOL and what settings are required for each system.
Updated: May 13, 2026
ID: 000197824
Summary: This document details the steps to register/add a Data Domain System to Secure Connect Gateway.
Updated: May 13, 2026
ID: 000197719
Data Domain showing red in the Avamar user interface and or AUI are caused by a few different issues. This is a resolution path that points you toward existing KB articles for these topics.
Updated: May 13, 2026
ID: 000197106
When vault Data Domain fills up, symptoms include high capacity usage, poor deduplication, and expiration failures. The root cause is inadequate capacity planning, improper backup configuration, and unchecked saveset accumulation across DD, Networker, Avamar, and Cyber Recovery.
Updated: May 13, 2026
ID: 000464399
Active Directory (AD) Authentication not working because the global catalog (GC) is disabled in Data Domain.
Updated: May 13, 2026
ID: 000081183
Multiplexed write streams often cause lower compression and is unnecessary with a disk-based backup system.
Updated: May 13, 2026
ID: 000028900
This article describes a known limitation where a Data Domain system fails to join an Active Directory (AD) domain if the AD join account password contains multi-byte characters. A workaround is provided.
Updated: May 13, 2026
ID: 000028763
File systems created before DDOS 7.5.x may panic after upgrading to DDOS 7.10.x or later if mtree replication is configured. The panic message is "ddr/dm/dmbt_iface.c: dmbt_get_entry_inode: 19746: !(ret == DD_ERR_NONE)."
Updated: May 13, 2026
ID: 000215835
Data domain file system (DDFS) may restart with segfault or panic with malloc error during data-movement to Cloud Tier
Updated: May 13, 2026
ID: 000196696
Garbage Clean(GC) process is unavailable during copy phase on system that is configured with Cloud tier on Dell EMC ECS Object Storage and cannot be cancelled. It will also prevent starting GC process on Active Tier.
Updated: May 13, 2026
ID: 000196150
This article describes a condition where the Data Domain Virtual Edition (DDVE) filesystem fails to start due to a potential Non-Volatile Random Access Memory (NVRAM) mismatch. It also provides a validated workaround to restore filesystem availability.
Updated: May 12, 2026
ID: 000464031
This KB article outlines troubleshooting steps to add Data Domain (DD) to PowerProtect DD Management Center (DDMC).
Updated: May 12, 2026
ID: 000065153
This article provides download links and status information for current PowerProtect Data Domain Operating System (DDOS) releases, including feature and Long‑Term Support (LTS) versions. It also outlines upgrade considerations, documentation references, and supported platforms.
Updated: May 12, 2026
ID: 000081247
Data Domain Capacity Resolution Path.
Updated: May 12, 2026
ID: 000192662
Intermittent panics when ingesting data using NFSv4 with the default NFS options
Updated: May 12, 2026
ID: 000064152
This article provides an overview of the maximum number of interface groups (ifgroups) supported, and the maximum number of interfaces and clients supported in the ifgroups.
Updated: May 12, 2026
ID: 000011177
FastCopy behavior on Retention Locked MTree subdirectory in backups or Managed File Replication (MFR) causes 'filesys show compression' of '0' on Globally and Locally compressed row.
Updated: May 12, 2026
ID: 000192895
This article describes how to migrate AWS Elastic Block Store (EBS) volume from gp2 to gp3 type for Data Domain Virtual Edition (DDVE) appliance deployed in AWS cloud platform.
Updated: May 12, 2026
ID: 000192086
This article provides estimates on scheduling lead time when booking RPS upgrades.
Updated: May 11, 2026
ID: 000021599
This article helps the user identify and resolve some typical BOOSTFS installation and configuration issues.
Updated: May 11, 2026
ID: 000064347
Directly attaching failover interfaces back-to-back between two DDR may fail to be able to transfer data.
Updated: May 11, 2026
ID: 000191681
This article explains how to change the sync alert threshold using the command line. By default, the sync alert threshold is set to 24 hours. However, based on specific requirements, it may need to be adjusted for a particular mtree to prevent the error: “Sync-as-of time is more than 24 hours ago.”
Updated: May 11, 2026
ID: 000462922
This KB describes an issue that HA Rolling upgrade may fail for external enclosure firmware upgraded
Updated: May 11, 2026
ID: 000191148
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: May 11, 2026
ID: 000205512
This article explains that "filesys destroy" command may not proceed under specific circumstances, as a means of protecting customers against malicious actions
Updated: May 11, 2026
ID: 000190503
The resolution steps to resolve the issue where a JUNO system (DD6900/DD9400/DD9900) goes into reboot loop when the Integrated Dell Remote Access Controller (iDRAC) firmware upgrade fails.
Updated: May 11, 2026
ID: 000050521
How to reset or regenerate certificates due to expiration (or misconfiguration).
Updated: May 10, 2026
ID: 000188770