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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: March 23, 2026
ID: 000205512
Unable to log in to NetWorker Web User Interface (NWUI) launched from the NetWorker server. "Failed to authenticate user administrator with the provided password on Authentication Server <server name>
Updated: January 16, 2026
ID: 000193323
Overview of configuring AD or Secure Lightweight Directory Access Protocol (LDAPS) with NetWorker using the NMC's external authority wizard. This KB can also be used for instructions on updating an existing external authority configuration.
Updated: March 25, 2026
ID: 000156132
This article presents a sample Oracle RMAN backup script using NetWorker Module for Databases and Applications (NMDA) with a Data Domain appliance.
Updated: March 25, 2026
ID: 000023102
This article details an issue about not having enough devices (or target sessions per device) resulting in backup failures.
Updated: March 25, 2026
ID: 000167090
NetWorker is configured with a Virtual Tape Library (VTL). NetWorker reports "Unable to find a cleaning slot in jukebox".
Updated: March 25, 2026
ID: 000099927
MySQL backup fails with "Wrong '!include' directive in configuration file /nsr/apps/tmp/NMDA_<random numbers>.cnf at line 2" message.
Updated: March 25, 2026
ID: 000221366
NetWorker Data Management Protocol (NDMP) save set of PowerScale NAS, with NDMP Multistreaming enabled, that has completed as "recoverable," displays 0-Bytes size in the NMC user interface.
Updated: March 25, 2026
ID: 000443949
This describes the procedure to enable Java UI debugging within the NMC user interface.
Updated: March 25, 2026
ID: 000019783
This process is intended for NetWorker backup administrators to enable Java Virtual Machine (JVM) monitoring when Java thread and heap dumps are requested by NetWorker support. This may be useful when doing advanced diagnosis of authentication-related issues.
Updated: March 24, 2026
ID: 000224315
The File Level Recovery (FLR) for Windows Virtual Machine is consistently failing. The FLR mount is successful, but the browse fails for 3-4 folders with the message "Could not get the directory content unable to retrieve file list from VM (path) Access denied."
Updated: March 24, 2026
ID: 000217445
NetWorker server deployed on Linux fails to start server services (nsrd) after upgrading to 19.7.0.x or later from an earlier release. The RabbitMQ process crashes during service startup due to a bad argument error.
Updated: March 24, 2026
ID: 000212568
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.
Updated: March 24, 2026
ID: 000023290
You have created or updated an external authority in the NetWorker Management Console (NMC) for Active Directory (AD) using the "LDAP over SSL" option. The configuration succeeded, but AD logins fail with HTTP 404 or HTTP 500. This issue occurs because the LDAP over SSL option sets an internal authc flag "Is active directory" to "false." This option must be set to "true" when the authentication method is active directory.
Updated: March 24, 2026
ID: 000170865
NetWorker VMware Protection (NVP) vProxy Virtual Machine (VM) backups sit in "waiting to run" state for a prolonged period of time. There are no vProxy availability issues, communication between the NetWorker server and vProxies is successful. There are no alerts regarding vProxies being unavailable in the NetWorker Management Console (NMC),
Updated: March 24, 2026
ID: 000443663
This KB article discusses what to do when users are unable to delete devices with retention lock data on volumes.
Updated: March 24, 2026
ID: 000219860
NetWorker license server does not start.
Updated: March 23, 2026
ID: 000036863
How to backup Virtual (Clustered) SQL Server instance with NetWorker Module for Microsoft (NMM) using VDI command-line syntax or 'nsrsqlsv'
Updated: March 23, 2026
ID: 000015997
NetWorker server and client can backup save sets that are Common Internet File System (CIFS) shares on a Windows server or any other NAS Filer. This requires certain permissions.
Updated: March 23, 2026
ID: 000016003
After the NetWorker Runtime Environments (NRE) upgrade on a Linux NetWorker server, NetWorker Management Console (NMC) authentication fails. The system reports errors indicating that user credentials cannot be validated.
Updated: March 23, 2026
ID: 000443262
These are the general steps to replace the default NetWorker self-signed certificate with a Certificate Authority (CA)-signed certificate for the "AUTHC" and NetWorker Web UI (NWUI) services.
Updated: March 23, 2026
ID: 000194900
Tape to tape clone fails when there are multiple source tape volumes and one available read side tape device. Intermittently, load operation goes in to an indefinite loop and clone operation is eventually timing out.
Updated: March 23, 2026
ID: 000218363
This article describes how to manually use the legacy 'jbconfig' command to configure a tape library in NetWorker.
Updated: March 23, 2026
ID: 000013833
The purpose of this HOW To is to provide a main landing page for quick access to NetWorker License Triage Guide information and guidelines.
Updated: March 23, 2026
ID: 000004222
After the upgrade to v19.11.0.0, nsrdr is failing occasionally.
Updated: March 23, 2026
ID: 000311598
This KB provides an overview of the different vProxy builds and their embedded ddboost, VMware Disk Development Kit (VDDK), VMware Tools versions, and OS details. This KB requires a Dell support site user-account to access.
Updated: March 23, 2026
ID: 000250114
This article describes how to configure tape devices for PowerScale cluster nodes to avoid slow NetWorker Data Management Protocol (NDMP) backups.
Add specific tape devices to each node by limiting the devices used in a NetWorker 'Media Pool'.
Updated: March 20, 2026
ID: 000008836
This article provides details of how to set the number of parallel save streams to be used for an Isilon NetWorker Data Management Protocol (NDMP) multistream backup.
Updated: March 20, 2026
ID: 000013720
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.
Updated: March 20, 2026
ID: 000435404
NetWorker Module for Microsoft (NMM) 19.8 through 19.10.0.4 SQL Server Management Studio (SSMS) plugin issue for databases with diff backups
Updated: March 20, 2026
ID: 000440463