Microsoft 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.

This article addresses the failure of the CMOS or system battery within a Data Domain. Alert Posted (EVT-ENVIRONMENT-00032) on Data Domain systems indicate the Storage Processor (SP) has failed. Additional information within the posted alert notification indicates the cause as "Coin cell battery failed."

DD Boost device is Marked as suspect, which result in backups not progressing. And Mounting and Unmounting operation for the device fails.

The Data Domain system may experience an unexpected reboot due to a critical, unidentified hardware fault. This event is logged as EVT-ENVIRONMENT-00051, indicating a failure in one or more chassis components, often related to undetermined voltage anomalies.

This KB article describes how to troubleshoot memory alerts including how to identify a faulty DIMM that needs to be replaced.

Determining the filesystem cleaning schedule and setting the schedule

Encountered a clone failure issue due to running out of space on the destination DD system. In the DD logs, the error message "filecopy failed for... errno=28, errstr=No space left on device" indicates that the destination DD system has run out of space while attempting to copy the file Similarly, the log message "MSG-CM-00002: ... out of space" further confirms that the container set on the destination DD system has run out of space.

How to Generate the Access key and PIN to configure the Support assist on DDVE

NetWorker: Backup fails with "Err: 5955-nfs setattr failed (NFS: Illegal minimum retention time)" when DD Retention Lock enabled

NetWorker: Enhanced DD Boost cloning fails with error 'nsrclone: ddcl_filecopy_status failed: Retrieving the status of a file copy operation failed ([5009] I/O error)'.

Dell PowerProtect Data Domain remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

This KB describes how to restart (IPL) an IOP on an IBM System i.

Oracle Database backups succeed with a single channel (NMDA default script) but fail with four channels due to Data Domain timeouts.

This Articles provide information regarding the error : DD Retention Lock Compliance Mode is enabled on this system. License modification requires Security Officer credentials and can be performed only via the Command Line Interface.

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.

This article outlines how to access your Data Domain Transformational Licensing Agreement (TLA) in My Account | Dell Software Licenses.

This article provides information about the Replication Version Compatibility Matrix. It provides information about supported replication (MTree, directory, collection, and delta) for different configurations per Data Domain operating system versions.

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.

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.

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.