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Dell NetWorker remediation is available for the Apache Log4j Remote Code Execution Vulnerability that may be exploited by malicious users to compromise the affected system. Dell Technologies recommends implementing this remediation as soon as possible in light of the critical severity of the vulnerability.
Updated: May 12, 2026
ID: 000194541
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: May 12, 2026
ID: 000193323
NetWorker VMware Protection (NVP) Virtual Machine (VM) restore fails. The error returned is "Unable to find a usable volume for recovery of saveset."
Updated: May 15, 2026
ID: 000203765
NDMP Restore Connection timed out when browsing for recovery from NMC.
Updated: May 15, 2026
ID: 000203589
This article provides a general overview for troubleshooting network connectivity between systems that are involved during backup and restore operations of virtual machines (VMs) protected by the NetWorker VMware Protection (NVP) vProxy appliance.
Updated: May 15, 2026
ID: 000203350
nsradmin is a command-line utility that is provided by the NetWorker software. nsradmin can be used to modify the NetWorker server resource database (nsrdb) and the client/security database (nsrladb). This KB provides a general overview of nsradmin functionality and use cases.
Updated: May 15, 2026
ID: 000203325
NetWorker 19.5 fails to install on Red Hat Linux 8.x. It requires lower version of library "libncursesw.so.5," and Red Hat Linux is having higher version of library "libncursesw.so.6."
Updated: May 15, 2026
ID: 000202911
Upgrade of NetWorker Virtual Edition (NVE) from 19.3 to 19.6.0.3 and 19.6.1.2 stops responding indefinitely at 30% complete.
Updated: May 15, 2026
ID: 000202679
The NetWorker AIX client backup with to complete with a configuration error message. The NetWorker Management Console (NMC) shows either a Blank hostname or Unicode Character as hostname.
Updated: May 15, 2026
ID: 000202546
During the installation of the NetWorker Web User Interface (NWUI) an error appears stating "Database configuration failed." The installation stops and rolls back.
Updated: May 15, 2026
ID: 000202333
When creating NetWorker Protection Groups in NetWorker version: 19.5.0.x with both Static and Dynamic VMs, the inventory process fails with error "Error while fetching the merged items."
Updated: May 15, 2026
ID: 000202279
The -a option is not supported with the -R option when using the recover command.
Updated: May 14, 2026
ID: 000201528
This article defines the diagnostic approach of troubleshooting Virtual Machine (VM) backup or restore performance issues when using the NetWorker VMware Protection (NVP) vProxy solution.
Updated: May 14, 2026
ID: 000200394
Oracle backups failing with Recovery Manager (RMAN) error code ORA-19602
Updated: May 14, 2026
ID: 000071611
The NetWorker VMware Protection (NVP) vProxy is used to backup Microsoft SQL Virtual Machines (VM). The environment consists of multiple vCenter environments, and the SQL VM was copied to another vCenter outside of NetWorker practices. SQL VM restores are performed from the Data Protection Restore Client (DPRC). The DPRC wizard does not show SQL backups for a VM, no error is returned.
Updated: May 14, 2026
ID: 000450321
Automatic installation that overwrites an existing Oracle RMAN agent binary without changing the current lockbox and configuration.
Updated: May 14, 2026
ID: 000458567
Windows Virtual Machine (VM) Bare Metal Recovery (BMR) fails. The ossr_director.raw log reports that the system is unable to generate a Volume Shadow copy Service (VSS) event because Secure Boot is enabled on the system.
Updated: May 14, 2026
ID: 000461966
The NetWorker Management Console (NMC) software is updated on a Linux host. After performing the upgrade. The NMC's GST service is not starting up and reporting certificate validation errors.
Updated: May 14, 2026
ID: 000200619
Avamar - FLR fails: VirtualMachine Interface is NULL assist_restore error. ret: 157.
LoginGuest Failed. Ret: 67108908, Reason: Failed to get a property on the Virtual Machine object
Updated: May 14, 2026
ID: 000199988
NetWorker server daemon.raw shows error: "Unable to get authentication credentials for nsrmmd"
Updated: May 14, 2026
ID: 000199939
The best practice is to manually stop NetWorker services before rebooting.
NetWorker has multiple databases so anytime a server is rebooted it is recommended that NetWorker services be stopped properly before the operating system shuts down. Improper shutdown can have unpredictable results such as database corruption, jobs stop responding, general server instability, and so forth.
The most reliable way to do this is to manually stop NetWorker Services and be sure that they are stopped before rebooting.
Updated: May 13, 2026
ID: 000198218
The NetWorker VMware Protection (NVP) solution is configured for Virtual Machine (VM) backups. The NetWorker server is configured with Dynamic Association (DA) rules to identify VMs at the time of backup. The NetWorker Management Console (NMC) group properties "Preview All Virtual Machines" returns the following error for one or more groups "Cannot invoke "COM.legato.gst.GtValueList.Iterator()" because "children" is null"
Updated: May 13, 2026
ID: 000464593
The NetWorker Management Console (NMC) webpage fails to load from one or more specific hosts. The NMC server service is running, and port connectivity tests are successful. The web browser returns error "ERR_TUNNEL_CONNECTION_FAILED"
Updated: May 13, 2026
ID: 000464574
This KB provides an overview of the methods that can be used to identify the NetWorker software. The purpose of this KB is to assist NetWorker administrators and Customer Support Team (CST) with collecting information when opening a NetWorker Service Request (SR).
Updated: May 13, 2026
ID: 000197614
This article provides a general overview of how to upgrade the NetWorker VMware Protection (NVP) vProxy appliance.
Updated: May 13, 2026
ID: 000197385
This article provides a general overview of how VMware Virtual Machine (VM) backup levels and sizes that are reported in NetWorker when using the NetWorker VMware Protection (NVP) solution.
Updated: May 13, 2026
ID: 000197202
How to purge Lotus Transaction log files from Domino Server.
Updated: May 13, 2026
ID: 000197144
Oracle schedule backup fails with error. The NMDA error message has been lost. Set NSR_DEBUG_LEVEL to a value greater than 0 and run NMDA.
Updated: May 13, 2026
ID: 000197098
This KB provides a general overview of how NetWorker save set retention works in regards to backup levels and dependencies.
Updated: May 13, 2026
ID: 000197019
This article provides some general guidelines or best practices for when upgrading the NetWorker server and NetWorker Management Console software on a Windows server. Full details on NetWorker installations or requirements are found in the NetWorker Installation Guide.
Updated: May 13, 2026
ID: 000196908