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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 Data Migration Enabler: ADMe job does not start from the ADMe UI.
Updated: April 07, 2026
ID: 000064562
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
Avamar Windows file system backups can fail during the Volume Shadow Copy Service (VSS) is unavailable phase with exception code 0x8004230f. A non‑Microsoft VSS provider installed on the Windows system interferes with the VSS operations that the Avamar Client requires, which causes this issue.
Updated: April 06, 2026
ID: 000163583
This article provides estimates on scheduling lead time when booking RPS upgrades.
Updated: April 06, 2026
ID: 000021599
Avamar: Hyper-V CSV backups may fail "avhypervvss Error <12585>: Selected writer 'Microsoft Hyper-V VSS Writer' is in failed state!"
Updated: April 03, 2026
ID: 000162958
Bare Metal Recovery (BMR) fails during a Physical‑to‑Virtual (P2V) restore when restoring a physical system configured with UEFI firmware to a VMware vSphere virtual machine. The failure happens during the VSS Pre Restore phase and reports error code 0x80042403 in the AVVSS log.
Updated: April 03, 2026
ID: 000166188
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
This article describes how to verify SQL Server permissions required by Dell Avamar to perform backup and restore operations.
Updated: April 02, 2026
ID: 000156579
Avamar SQL backups for SQL Server Availability Groups (Always On AG) fail to recognize the --sqlserver flag during UI‑initiated browse or dataset operations. Command‑line backups work as expected, but UI browse operations fail because the SQL Server name is not correctly resolved when passed in lowercase.
Updated: April 02, 2026
ID: 000044561
Avamar SQL backups fail with an error indicating that the server principal NT AUTHORITY\SYSTEM cannot access a SQL Server database under the current security context. This issue occurs when the Local System account permissions are removed from the SQL Server instance, which are required for SQL Writer and VDI‑based backup operations.
Updated: April 02, 2026
ID: 000049795
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: SQL Incremental backups intermittently leave a frozen avtar.exe session. "avsql error: lock error - process already running or error creating local lock file"
Updated: April 02, 2026
ID: 000057833
During an Exchange Granular Level Recovery (GLR) operation, the GLR attempt fails with AVFS mount errors when residual files remain in the AVFSCACHE folder from a previous GLR operation. These stale contents prevent the AVFS mount service from creating a new mount session.
Updated: April 02, 2026
ID: 000163301
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
Avamar SharePoint Volume Shadow Copy Service (VSS) backups complete with exceptions when the SharePoint farm uses a back‑end Microsoft SQL Server cluster hosted on Cluster Shared Volumes (CSV). The Avamar SharePoint plug‑in skips CSV volumes, which causes file access errors during the backup process.
Updated: April 01, 2026
ID: 000054637
The plugin installation wizard reports the agent as already installed and shows the previous version because registry entries from the previous Avamar Plugin remain on the client after removal.
Updated: April 01, 2026
ID: 000046236
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 explains how Management Console Service (MCS) automatically cancels backups during a vCenter High Availability (HA) failover.
Updated: April 01, 2026
ID: 000224358
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
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
Hyper‑V (Hyper-V) Federated Remote Copy Tool (RCT) backup ignores --excludelist flag when the Virtual Machine (VM) name in Failover Cluster Manager differs from Hyper‑V Manager. Use the Failover Cluster name, or name plus GUID, in the excludelist to exclude correctly.
Updated: March 31, 2026
ID: 000044649
A VMware proxy registration is failing because the hostname is being set to localhost.localdomain due to /etc/hosts file on the proxy not being persistent.
Updated: March 31, 2026
ID: 000044377
Bare Metal Recovery (BMR) fails with Volume Shadow Copy Service (VSS) “Data of this type is not supported” because x3650 uses BIOS firmware and target runs Unified Extensible Firmware Interface (UEFI) Interface.
Updated: March 30, 2026
ID: 000040376
This article explains how to use Avamar client logs to identify which files are new or changed since the previous backup.
Updated: March 30, 2026
ID: 000021231