Database App Agent

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.

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.

This article addresses an issue with SAP HANA PIT recovery failing under Dynamic Tiering setup.

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.

NetWorker is unable to mount the adv_file device because the volume is not in the media index.

This KB article explains how to use an external system for creating Certificate Signing Request, and create a signed certificate by an external CA, so that the resulting certificate may be imported in the Data Domain for use in HTTP (DD GUI through SSL)

The NetWorker vProxy solution is used to protect the vSphere environment. The file-level restore (FLR) fails for all Virtual Machines (VM) with the signature length error. Data Domain self-signed CA certificate has expired. Renew Data Domain certificate as shown in Dell KB 198864.

HA create command fails with either of these two errors: **** Failed to configure HA: unable to communicate with the peer node via the interconnect. Or **** Failed to configure HA: Communication with the peer node timed out.

Upgrading DDOS affects not only the PowerProtect DD/Data Domain system, but also every application, plug‑in, client, and protocol that interacts with it. This guide walks you through how to use E‑Lab Navigator to confirm compatibility before upgrading DDOS, with examples for each protocol and integration. This article is written for clarity and practicality, so you can confidently validate your environment and avoid upgrade‑related outages.

Data Domain systems automatically monitor for hardware, software, and environmental conditions that may require service. When certain alerts occur, the system can automatically open a Dial Home Service Request (SR), either immediately or after a short monitoring period. This proactive SR creation ensures timely support while reducing unnecessary or duplicate cases.

Security scanning scripts and applications can have a major impact on Data Domain system performance.

This article describes a scenario in which an incorrect client ID was specified when configuring multifactor authentication.

After a System Controller Upgrade (headswap), Cloud Tier (CT) access may fail if the system passphrase on the new controller does not match the original passphrase. The Data Domain filesystem cannot decrypt the stored cloud profile, preventing connection to the Cloud Tier.