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.

已更新: 五月 12, 2026 ID: 000194503

Data Domain: DDOS Software Versions and Download Links

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.

已更新: 五月 12, 2026 ID: 000081247

Avamar: Data Domain Capacity Resolution Path

Data Domain Capacity Resolution Path.

已更新: 五月 12, 2026 ID: 000192662

Data Domain: FastCopy behavior on Retention Locked MTree subdirectory in backups or Managed File Replication

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.

已更新: 五月 12, 2026 ID: 000192895

Data Domain: 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

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.

已更新: 五月 12, 2026 ID: 000192086

Data Domain：存储迁移到 8 TB 包并进行过度资源调配

使用 OP 将存储迁移到 8 TB 包时的注意事项

已更新: 五月 12, 2026 ID: 000461372

Data Domain: Recommendation for Link Aggregation configuration instead of Failover with Directly Connected Interfaces between Two DDs

Directly attaching failover interfaces back-to-back between two DDR may fail to be able to transfer data.

已更新: 五月 11, 2026 ID: 000191681

Data Domain：更换高速缓存层 SSD 时文件系统死机并重新启动

更换高速缓存层 SSD 后，Data Domain 文件系统（DDFS）可能会崩溃并导致设备重新启动，因为已编制索引的高速缓存条目变得不可读。

已更新: 五月 11, 2026 ID: 000459405

Data Domain: How to change the sync alert threshold

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.”

已更新: 五月 11, 2026 ID: 000462922

Data Domain: HA Rolling upgrade may fail for external enclosure firmware upgraded

This KB describes an issue that HA Rolling upgrade may fail for external enclosure firmware upgraded

已更新: 五月 11, 2026 ID: 000191148

Avamar: How to regenerate certificates

How to reset or regenerate certificates due to expiration (or misconfiguration).

已更新: 五月 10, 2026 ID: 000188770

Data Domain: DDBMA cannot detect the new changed SQL hostname

DDBMA: DDBMA cannot detect the new changed SQL hostname.

已更新: 五月 10, 2026 ID: 000188691

DDBMA: Failed To Launch DDBMA Plug-in. The Source Was Not Found error displays.

Data Domain (DD) Boost for Microsoft Applications (DDBMA): Failed to launch the DDBMA plug-in. The source was not found error displays.

已更新: 五月 10, 2026 ID: 000187696

Data Domain: Steps to add a disk enclosure or pack to cloud metadata tier on a Physical DD

EVT-SPACE-00004: Space usage in cloud metadata storage has exceeded the 90% threshold.

已更新: 五月 10, 2026 ID: 000187052

Data Domain: The alert "Security officer user account must be created" appears after upgrading to DDOS 7.5 or above

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

已更新: 五月 09, 2026 ID: 000186091

Data Domain: Supported Stream Counts for DDOS 7.x

This article provides a table of supported stream counts for Data Domain OS version 7.x by Data Domain System Model.

已更新: 五月 09, 2026 ID: 000186032

Data Domain Virtual Edition (DDVE) system upgrade fails with filesystem shutdown error

Data Domain Virtual Edition (DDVE) system upgrade fails with filesystem shutdown error.

已更新: 五月 09, 2026 ID: 000185767

Data Domain: Enterprise System Manager UI inaccessible after DDOS 7.x upgrade

Data Domain Enterprise Manager (DDEM) / System Manager graphical user interface (GUI) is not accessible after upgrading to DDOS 7.x

已更新: 五月 09, 2026 ID: 000185217

NetWorker：备份到 Data Domain 失败并显示陈旧文件句柄错误

写入 Data Domain 时，大型存储集的备份间歇性失败。观察到的错误是“5057-文件句柄过时”。这可能会在各种数据类型上观察到，但特定于跨数小时的大型备份。

已更新: 五月 09, 2026 ID: 000459221

Data Domain 云数据移动故障处理

调查数据移动故障或问题的基本故障处理步骤。

已更新: 五月 09, 2026 ID: 000216771

Data Domain：空的保留锁定 DDBoost 存储单元不会删除

尝试删除空的 mtree 或 DDBoost，并且保留锁定（已启用或禁用）失败。

已更新: 五月 09, 2026 ID: 000217038

Data Domain：如何在启用了法规遵从性的 Data Domain 系统上为 iDRAC 配置 SNMP

本文介绍在启用了保留锁定合规性的戴尔 Data Domain 系统上为 iDRAC 配置 SNMP 的过程。

已更新: 五月 09, 2026 ID: 000459591

Data Domain：DDFS 崩溃：dmbt_update_entry_nolock

本文概述了如何在 Data Domain 文件系统（DDFS）崩溃时修复问题并重新启用文件系统，并显示以下 PANIC 字符串：PANIC： ddr/dm/dmbt_iface.c： dmbt_update_entry_nolock

已更新: 五月 09, 2026 ID: 000227777

Data Domain：CIFS 和 NTP 时间同步验证和配置

本文介绍如何在与 Active Directory （AD）集成的系统上管理时间同步。它包括验证时间同步配置、检测网络时间协议（NTP）与 AD 时间控制之间的潜在冲突的步骤。它还提供了禁用通用 Internet 文件系统（CIFS）时间同步和确保正确管理时间的命令。它还包括使用日志和系统状态检查的验证步骤，以确保配置正确。

已更新: 五月 09, 2026 ID: 000305261

Data Domain: How to handle AWS S3 certificate changes from March 23, 2021 for system that is configured with Cloud Tier or system that is deployed on AWS cloud platform

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).

已更新: 五月 09, 2026 ID: 000184415

NetWorker：如何读取 NetWorker 存储集的 Data Domain 统计信息

使用 mminfo 提取 Data Domain 上的 NetWorker 存储集的重复数据消除统计信息;输出遵循 version：cloneid：backup：pre-compression：post-compression，并显示重复数据消除压缩过程。

已更新: 五月 08, 2026 ID: 000023290

PowerProtect Data Manager Microsoft agent: Upgrading T-SQL stored procedures in a user database

By default, the installation wizard (CLR deployment wizard) creates the stored procedures in the master database. However, it is possible to create and register the T-SQL stored procedures in a user database, which is not a master database.

已更新: 五月 08, 2026 ID: 000184234

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