Data Domain Virtual Edition

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.

Data Domain Capacity Resolution Path.

A Data Domain was removed without removing associated backups from Avamar, causing hfscheck to fail with MSG_ERR_DDR_ERROR due to the nonexistent ddrindex.

This article explains that DD Boost does not support LDAP authentication and requires local users to access storage units. It describes how to create local users, assign them to DD Boost, and map them to specific storage units.

This article describes how to verify if an unexpected event has generated a process or kernel core file on a Data Domain. It also provides instructions for locating the corresponding file and uploading it for analysis by Data Domain support and engineering.

How to find the Software Serial ID (SWID) that is required to open a service request or support case for software products.

vProxy Image level restores done from the NetWorker Management Console (NMC) may fail with "ERROR: [156] ddp_connect_with_config() failed,Hostname: <Data-Domain-Name>" seen from the "Recovery Results" page.

This article describes how to handle the new Google Trust Services Certificate for Data Domain system deployed on Google Cloud Platform with Active Tier on Object Storage (ATOS).

Avamar backups to Data Domain fail with error 5005, DDR result code: 1, desc: no room left. The issue occurs when the Data Domain disk staging area is not configured or is disabled, causing Avamar to fail while creating the required staging directory.

How to recall backups that were migrated to Data Domain Cloud Tier.

This article explains the process for using a new encryption key.

This article explains the poor replication and recovery performance of Microsoft SQL striped backups using NetWorker and NMM on Data Domain systems. The issue occurs because SQL VDI striping causes fragmented data storage. Upgrading NMM to version 8.2.1.4 or later and applying specific registry settings on the SQL server optimizes VDI data handling and improves Data Domain deduplication efficiency.

The default password for Data Domain Management Center may be required.

This article explains the support status, limitations, and recommended alternatives when considering MTree replication for the default "backup" MTree on Data Domain systems.

Taking snapshot on live DDVE / Backup a live DDVE VM.

This article explains how to delete an mtree that contains a vDisk pool when the "mtree delete" command fails.

This article provides a process overview for Data Domain Operation System (DDOS) upgrades on Data Domain Highly Available (HA) pairs.

This article explains how to correlate NetWorker sessions and save sets with Data Domain (DD) stream activity during backup, restore, and clone operations.

This article describes an issue in Data Domain Operating System (DDOS) version 7.8 that prevents downloading core dumps from the web interface.

This guide explains what Dial Home is on Data Domain systems, what data it sends to Dell, and how each connection method and report type works. Expectations are set for how these automated reports speed issue detection, simplify support, and improve system‑health visibility.

This article explains the support, behavior, and limitations of using Low-Bandwidth Optimization with MTree replication on Data Domain systems.

This article describes NetBackup command‑line tools that are used to validate Virtual Tape Library (VTL) functionality during initial configuration or when troubleshooting potential device issues. These commands allow testing outside of the NetBackup UI to confirm device visibility, robot behavior, drive loading, and tape operations.

This article explains the error after trying to delete old backup files from disk, and how to recover from it.

After upgrading IDPA example model dp4400, ethVX fails to communicate, failing either backups or replication or cyber replication.

This article provides information about DD Boost global authentication and encryption which is taken from the latest up-to-date information from DD OS 7.13 boost documentation. In this guide, "PowerProtect DD System," "the protection system," or simply "the system" sees PowerProtect DD Series Appliances running DD OS 7.4 or later and earlier PowerProtect DD systems.

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

The Health Alerts panel allows you to view messages from system services. This article discusses how to view and clear these messages.

Windows serve 2025 cifs shares fail to connect but all other previous versions of windows connect fine.

This knowledge base article explains how to safely move a Dell Data Domain system from one site to another. It covers premove validation, shutdown, postmove reconfiguration, and verification steps.

Use mminfo to extract deduplication statistics for a NetWorker save set on a Data Domain; the output follows version:cloneid:backup:pre‑compression:post‑compression and shows deduplicate compression process.