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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
Data Domain Capacity Resolution Path.
Updated: May 12, 2026
ID: 000192662
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
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
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 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
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
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
How to reset or regenerate certificates due to expiration (or misconfiguration).
Updated: May 10, 2026
ID: 000188770
DDBMA: DDBMA cannot detect the new changed SQL hostname.
Updated: May 10, 2026
ID: 000188691
EVT-SPACE-00004: Space usage in cloud metadata storage has exceeded the 90% threshold.
Updated: May 10, 2026
ID: 000187052
This KB article describes about the alert that appears after the upgrade due to new security compliance audit introduced in DDOS 7.5.x and above
Updated: May 09, 2026
ID: 000186091
This article provides a table of supported stream counts for Data Domain OS version 7.x by Data Domain System Model.
Updated: May 09, 2026
ID: 000186032
Data Domain Virtual Edition (DDVE) system upgrade fails with filesystem shutdown error.
Updated: May 09, 2026
ID: 000185767
Data Domain Enterprise Manager (DDEM) / System Manager graphical user interface (GUI) is not accessible after upgrading to DDOS 7.x
Updated: May 09, 2026
ID: 000185217
This KB describe a symptom that DD PCR reports post-comp for a MTree that is larger than DD file system active tier size.
Updated: May 09, 2026
ID: 000184589
AWS is changing their server certificates from S3 to certificates issued by Amazon Trust Services CA. This change impacts Data Domain systems that are configured with Cloud Tier and Data Domain Virtual Edition (DDVE) deployed on AWS Cloud platform with Active Tier on Object Storage (ATOS).
Updated: May 09, 2026
ID: 000184415
Dell PowerProtect Data Domain remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.
Updated: May 08, 2026
ID: 000450699
Space usage alerts for root partition and /resource after upgrading to Data Domain Management Center (DDMC) 7.5 and later.
Updated: May 08, 2026
ID: 000183740
Upgrade failing with error message, "upgrade already in progress."
Updated: May 08, 2026
ID: 000183667