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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: April 06, 2026
ID: 000205512
This article contains information about customer replaceable unit (CRU) videos for Dell Technologies VNX and VNXe products.
Updated: March 03, 2026
ID: 000262248
Avamar Administrator dashboard shows erratic capacity forecast for Data Domain.
Updated: April 07, 2026
ID: 000038484
Unable to open Avamar Administration UI - Connection refused to host.
Updated: April 07, 2026
ID: 000037338
This article explains the behavior observed when checkpoints are not removed from Avamar, even after successful checkpoint validation.
Updated: April 06, 2026
ID: 000255751
This article explains how to re-enable multiple clients on the Avamar server after an upgrade or other issues using the Administrator console or mcdb.
Updated: April 06, 2026
ID: 000243306
Avamar Windows Client (WC) and Non‑Windows Client (NC) backups fail when connecting to Data Domain systems running DD OS 7.2.0.40-664052 or later. The issue affects Avamar 19.3.100-149 clients and results in connection failures either at backup start or during backup execution.
Updated: April 03, 2026
ID: 000194540
Avamar Exchange backups fail with an error indicating that the Backup Agent is not running under the Avamar backup user account, even though the required group memberships are assigned. The failure occurs due to mismatched Exchange security group names that use legacy distinguished names instead of default Exchange group names.
Updated: April 02, 2026
ID: 000055459
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.
Updated: April 01, 2026
ID: 000203440
The Avamar server may generate event code 22602 due to a database error caused by a subquery returning multiple rows. This issue appears in the Management Console Server (MCS) logs and is likely related to an incorrect MCS restore.
Updated: April 01, 2026
ID: 000241721
This article explains the change of status starting from OS Security Rollup 2024-R2.
Updated: April 01, 2026
ID: 000228283
This article provides a way of restoring database from a primary or a secondary Data Domain using product such as Oracle Recovery Manager (RMAN) Agent and DDBEA.
Updated: April 01, 2026
ID: 000185676
How to recall backups that were migrated to Data Domain Cloud Tier.
Updated: April 01, 2026
ID: 000019697
Getting 'Error initializing lsu' when trying to add DD to the Avamar grid.
Updated: March 31, 2026
ID: 000024658
The Data Protection Engine (DPE) plugin cannot operate on vCloud Director (vCD) 10.4.1, causing URLServiceException 02105 and 403 with NullPointerException logs; cause is vCD 10.4.1 unsupported.
Updated: March 31, 2026
ID: 000211494
This article outlines a known issue that occurs in Avamar Administrator (JNLP) following an update to Java version 1.8.0_481.
Updated: March 27, 2026
ID: 000437907
Avamar Hyper‑V backups fail or complete with exceptions when multiple virtual machines (VMs) from specific Hyper‑V nodes are selected in the backup dataset. The backups fail with error 43426, indicating that checkpoint creation failed and the affected VMs were skipped.
Updated: March 26, 2026
ID: 000206871
This article explains how to check if Avamar is configured with root-to-root replication.
Updated: March 26, 2026
ID: 000020043
The Avamar Solaris backup fails with error code 12 indicating there is not enough space.
Updated: March 25, 2026
ID: 000023365
How to reset or regenerate certificates due to expiration (or misconfiguration).
Updated: March 25, 2026
ID: 000188770
Client registration fails because the Client hostname is longer than 63 characters.
Updated: March 25, 2026
ID: 000167546
Uploading an Avamar Workflow Package (AVP) into the repository fails with "Can not check the readiness status of the file, ignoring: <package_name>.avp"
(The error is in the avinstaller.log.0 log which can be accessed from the UI or command line.)
Updated: March 24, 2026
ID: 000068449
This article lists the Avamar error and exit codes. It can be used to help troubleshooting backup and restore issues.
Updated: March 24, 2026
ID: 000039608
This article explains how an incorrect command in avsetup_snmpv3_user.sh prevents SNMPv3 user creation in Avamar and how stopping snmpd before running the script resolves it.
Updated: March 24, 2026
ID: 000443771
Management Console Server (MCS) failed to start after MCS restore.
Updated: March 24, 2026
ID: 000186356
Steps to check HFSCHECK status on Avamar.
Updated: March 24, 2026
ID: 000226489
The Web Services show an error status when the command "mccli server show-services" is run.
Updated: March 24, 2026
ID: 000165369
User performed Data Domain replacement. After the user did a MTree replication and changed the network configuration of the new Data Domain, they could not run backup to the Data Domain.
Updated: March 23, 2026
ID: 000255994
This KB article describes an issue that occurs when restoring a virtual machine (VM) to a different vCenter (VC) using Instant Access (IA).
Updated: March 23, 2026
ID: 000231764
An Exchange backup fails reporting: Error retrieving Active Directory configuration search object -- cannot continue.
Updated: March 20, 2026
ID: 000050997