When you open the nworks Web UI in a browser, you see a blank screen.

When you open the nworks Web UI in a browser, you see a blank screen instead of the logon screen/management screen. You may also see a Java exception stating that you need to add the site to the Trusted Sites zone...

Hypervisor Restore Options are Greyed Out in Context Menu

Challenge When attempting to restore an entire VM, some hypervisor options are greyed out in the right-click context menu. Solution This issue is currently under investigation and is scheduled to be addressed in a future patch. For now, there are two workarounds available: Select the machine to b...

Veeam ONE v13 Upgrade Fails With "Failed to configure the product. Some configuration actions failed to complete."

Article Applicability This error occurs only when upgrading to Veeam ONE build 13.0.0.5630. This issue was resolved starting in Veeam ONE build 13.0.1.5860. Challenge The upgrade to Veeam ONE build 13.0.0.5630 fails with the following error during step 3 Upgrading Veeam ONE Server...: Failed to...

How to offboard a single protection unit from an Express backup policy in Veeam Data Cloud for M365

Challenge Issue Summary After creating an Express Protection Policy in Veeam Data Cloud for Microsoft 365, backups are retained for one year. These Express Protection Policies are built on the Microsoft 365 Backup storage backend. Over time, a situation may arise where you need to offboard a sing...

Azure Block Mode Export Failure Due to NetworkAccessPolicyIsDenyAll with Veeam Kasten

Challenge If using Veeam Kasten to protect persistent volumes provisioned with the Azure Disk CSI provisioner, and encounter the following error during the block mode export phase of a policy run: Failure in exporting restorepoint with log details similar to: Access not permitted for resource...

Required Package Changes in Solaris 10 and 11.3

Challenge Solaris 10 does not include the CA certificates required for S3 repository connections, nor does it natively provide OpenSSH with modern features. For secure S3 access and SSH communications with the Veeam Software Appliance VSA for Veeam Backup & Replication, you must install both...

How to Configure NFSv4 on IBM AIX

Purpose This article documents steps to enable NFSv4 on IBM AIX to enable backup mount support for Veeam Agent for IBM AIX introduced with Veeam Backup & Replication 13. Solution Part 1: Configure the Host Resolution 1. Open the /etc/netsvc.conf file. 2. Ensure that the hosts parameter is set to...

Support for AWS Elastic VMware Service (EVS) with Veeam Backup & Replication

Support Statement Veeam Backup & Replication fully supports AWS Elastic VMware Service EVS, treating it as a standard vSphere environment. Built on VMware Cloud Foundation VCF 5.2.x, EVS provides customers with comprehensive administrative access to vCenter, NSX, and other essential VMware...

How to Migrate Veeam Backup for Salesforce off CentOS

Purpose This article documents how to migrate a Veeam Backup for Salesforce VBSF deployment from a machine running CentOS 7 to a machine running a supported Linux distro. Starting in Veeam Backup for Salesforce version 3, CentOS will no longer be supported as a distro for the deployment of Veeam...

Report Generation Fails with "lookup prometheus-server-exp: no such host"

Challenge After enabling Veeam Kasten for Kubernetes reports, reports are not generated. When running an on-demand report policy, the following error message is observed within the executor logs: "message":"Post "http://prometheus-server-exp:80/k10/prometheus/api/v1/query": dial tcp: lookup...

How to Exclude Applications from Dashboard & Compliance Reporting

Purpose This article provides steps to exclude system namespaces from the Veeam Kasten for Kubernetes dashboard and compliance reporting. Solution Explanation Veeam Kasten for Kubernetes automatically discovers all application namespaces of the cluster on which it is deployed. Each of these...

Overcoming Failed Snapshots Using Ignore Exceptions

Challenge This article demonstrates how to use the Ignore Exceptions feature to overcome failed snapshots due to workloads not in a ready state. Description: Job failed to be executed Veeam Kasten for Kubernetes has retry logic to overcome service interruptions during any job. If a Backup does no...

What Data Does Veeam Kasten for Kubernetes Include in the Phone Home Reports

Purpose This article documents what data is included in the phone home reports sent by Veeam Kasten for Kubernetes. Solution The data is divided into the following sections Basic Data Infrastructure Data Run Time Data for Billing Purposes Additional Metrics Profiles Artifact Metrics Basic Data...

VMXNET3 Drivers Missing From Recovery Media for Server 2022 vSphere VM

Challenge When attempting to perform a Bare Metal Restore on a vSphere VM using Veeam Recovery Media, which was created from a vSphere VM running Server 2022, the network adapter drivers fail to load. This issue persists despite having the 'Include hardware drivers from this computer' option...

Possible Impacts of Removing the Machine Where Veeam Is Installed From a Domain

Purpose This article documents the most common side-effects customers may experience when removing the machine where Veeam Backup & Replication is installed from a domain. Solution Not all of the issues listed below may be experienced. These are all heavily dependent on the configuration of the...

How To Configure Veeam Plug-in for SAP HANA to Support SAP HANA System Replication

Standalone Mode Plugin Deployment Only The configuration option documented in this article is only compatible with Standalone deployments of the SAP HANA Plugin. Managed deployments are not compatible with these modifications. Veeam Backup & Replication 13 Support for SAP HANA System Replication...

Build Numbers and Versions of Veeam Plug-In for Microsoft Azure

This KB article lists all versions of Veeam Plug-In for Microsoft Azure and their respective build numbers. For more information on deploying the latest version of Veeam Plug-In for Microsoft Azure , visit: Veeam Plug-In for Microsoft Azure User Guide: Deploying Backup Appliance Veeam Plug-In for...

CDP filters installation fails with "Storage providers offline"

Challenge When installing the CDP I/O Filter, the operation fails with "Storage providers are offline." When this occurs you may also notice that within the VMWare GUI the VMWare storage providers show as disconnected. The following is an example of what can be found in the I/O Deployment log:...

How to Temporarily Disable Exchange Web Services Throttling

Purpose This article documents how to temporarily disable Exchange Web Services API throttling, potentially improving Exchange backup performance in Veeam Backup for Microsoft 365. Note: Throttling may only be disabled temporarily; this should be sufficient to allow Veeam Backup for Microsoft 365...

Managed Veeam Backup Agents are offline after Veeam Service Provider Console upgrade

Challenge After upgrading Veeam Service Provider Console, all Veeam Management Agents are listed as offline. Cause This may be caused by an incorrect security certificate configuration, which leads to the disconnection of the management agent on the Veeam Cloud Connect server after the upgrade. S...

Release information for Veeam Backup & Replication 11

Requirements IMPORTANT NOTE: If you are using a cloud repository or cloud host powered by Veeam Cloud Connect, please contact your service provider to confirm that you can upgrade to Veeam Backup & Replication 11. Please confirm that you are running version 9.5 Update 4b build 9.5.4.2866 or later...

“Secondary index is corrupt" error in ConnectWise Manage plugin after upgrading to Windows 10 version 2004

Challenge After upgrading the machine where Veeam Service Provider Console is installed to Windows 10 version 2004, ConnectWise Manage plugin stops working with the following error: "Secondary index is corrupt. The database must be defragmented or the affected index must be deleted. If the corrup...

Backups of VMs with enabled CBRC option fails when Linux backup proxies are used

Article Applicability This article discusses a limitation specific to Veeam Backup & Replication 10.x. When Linux-based VMware Backup Proxy was introduced in Veeam Backup & Replication 10, it could only use the Virtual Appliance HOTADD transport mode. Starting with Veeam Backup & Replication 11, ...

Veeam Backup for Microsoft 365 4c cumulative patch KB3222

This patch has been superseded by Veeam Backup for Microsoft 365 4c cumulative patch KB4083. Requirements Please confirm you are running Veeam Backup for Microsoft 365 build 4.0.1.531 prior to installing this cumulative patch KB3222. You can check this under Help About in Veeam Backup for Microso...

How to enable Fast Clone functionality with Veeam Availability for Nutanix Mine

End-of-Life Product Nutanix Mine with Veeam reached End-of-Life on 2026-04-30. As of this date, all support services for this product are unavailable. For more information, see the Nutanix EOL Announcement Bulletin - Nutanix Mine, released 2025-04-30. Challenge Fast Clone is the Veeam Backup &...

Restore a deleted vCenter Server Appliance (VCSA) with High Availability (HA) enabled

Challenge You need to restore a vCenter Server Appliance VCSA with the original name and to the original location. Before the VCSA got corrupted or was deleted, High Availability HA was enabled in the VMware cluster. If HA remains active at the ESXi host level during the restore process, HA can...

Scale-out Backup Repository offload job to Quantum DXI used as S3 storage fails with "Failed to retrieve SSL certificate. Underlying error: PRNG not seeded" error

Challenge Veeam Backup & Replication fails to perform an S3 offload task if targeted to Quantum DXI storage. The error retrieved in UI says: "Failed to retrieve SSL certificate. Underlying error: PRNG not seeded" 06.01.2020 13:38:21 Info PublicCloudCertificateLoader Loading certificate for...

VMs stored on vVols may experience a significant stun during the snapshot removal process after the backup session.

Challenge During the snapshot removal operation that occurs at the end of a backup/replication job for a VM stored on a vVol Datastore, the following is observed: The Guest OS of the VM being processed is stunned or frozen. Monitoring software may report that the Guest OS is inaccessible due to a...

Backup infrastructure missing in SCOM views after upgrade to Veeam Backup & Replication 9.5 U4

Challenge After you upgrade to Veeam Backup & Replication 9.5 Update 4, MP for Veeam Backup & Replication monitoring views in SCOM no longer display backup infrastructure partially or completely. The following events can be found in the SCOM Windows event log on the affected Veeam Backup &...

Hardware encryption doesn't work on tape operations after update to 9.5 Patch 4b

Challenge After you update to patch 4b 9.5.4.2866, you may face the following encryption-related issues during the backup and restore procedures. Restore from tape backups made in the previous product versions with enabled hardware encryption may fail with the following error message: 11.07.2019...

Performance Impacts of Deduplicated Storage Systems

To learn about Deduplication Appliance Best Practices, visit KB1745. Challenge The following Veeam technologies are dependent on primary backup storage random I/O performance: Instant Recovery VM/Disk/NAS/Databases Windows and Linux File Level Recovery Application Restore Cloud Tiering Cloud...

Veeam ONE Reporter error "Failed to RetrieveProperties: Insufficient privileges"

Challenge Veeam ONE Reporter shows the following error message during the Object properties collection task: 2018-01-08 03:00:10.3791 ERROR 5984 18 EXCEPTION: Permission to perform this operation was denied. 2018-01-08 03:00:12.9585 ERROR 5984 18 EXCEPTION: Failed to RetrieveProperties: ""...

Release Notes for Veeam Management Pack 8.0 Update 6

Challenge Release Notes for Veeam Management Pack 8.0 Update 6. NOTE : The Veeam Management Pack 8.0 Update 6 cumulative patches for Veeam Backup & Replication monitoring and VMware vSphere 7.0 monitoring are available through kb2940 and kb3172 correspondingly. Cause Please confirm you are runnin...

Release Notes for Veeam Backup & Replication 9.5 Update 3a

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Release Notes for Veeam Backup Replication 9.5 Update 3a Cause Please confirm that you are running version 9.5.0.580, 9.5.0.711, 9.5.0.802, 9.5.0.823,...

Window Server does not boot because of stuck MPIO/SCSI registry records in SYSTEM hive

Challenge When storage snapshot gets mounted to proxy Windows creates multiple registry records in: HKLM\SYSTEM\ControlSet001\Enum\MPIO HKLM\SYSTEM\ControlSet001\Enum\SCSI when windows mpio is disabled The problem is that when storage snapshot gets unmounted Windows does not clean up registry...

vCenter Server Appliance - Backup/Restore Recommendations

Native File-Based Backup and Restore Recommended vCenter Server Appliance Data Integrity Best Practices recommends using the native file-based backup and restore operations to protect the vCenter Server Appliance. Review: VMware vSphere User Guide: Considerations and Limitations for File-Based...

Backup Configuration Is Not Saved After Configuring Backup Job

Challenge After installing Veeam Agent for Microsoft Windows and configuring a backup job, the settings are not shown in the Control Panel, and Veeam Agent for Microsoft Windows keeps prompting to configure backup settings. Cause The Windows OS was installed with non-English region and culture...

Manual Firewall changes for Veeam Backup from Storage Snapshot with Cisco HyperFlex IOvisor processing

Challenge This article describes making manual firewall changes for Veeam Backup from Storage Snapshot with Cisco HyperFlex IOvisor processing. For details on how to perform these firewall changes using a predefined VMware ESXi extension please review KB2298. HyperFlex Version Specific Article...

A full backup is created when the RDX cartridge is changed

Challenge When an RDX storage is used as a repository in Veeam Backup & Replication, and a backup job from Veeam Agent for Microsoft Windows is targeted at it, a new backup chain will start each time the RDX cartridge is changed. Cause The behavior is by design. More information is available in t...

Scale-Out Backup Repository Free Space Calculation

Challenge Jobs running to a Scale-Out Backup Repository report "No scale-out repository extents have sufficient disk space to store the backup file, " even though some of the extents have adequate free space. Cause At the beginning of a job, if no other jobs are running, Veeam Backup & Replicatio...

Failed logon event generated by Veeam ONE on Windows computers

Challenge Repeated audit events for failed logon with bad username or password occur on Hyper V hosts and in Veeam Backup & Replication environment. The events appear to be initiated by Veeam ONE service account. Cause The behavior is described in this Microsoft KB article. Solution Behavior by...

Dell EqualLogic Group Manager throws an error "Request target not found" after successful backup

Challenge After a successful backup of VMs stored on Dell EqualLogic storage especially when the option Allow processing of multiple VMs with a single volume snapshot is enabled you may receive an error in Group Manager "iSCSI login to target 'X.X.X.X:Y' from initiator 'X:X:X:X::Z' failed for...

Cannot find anymore diff area candidates for volume

Challenge Backup or replication of a Windows OS fails. In the Windows event logs of the machine being backed up, there is an error with ID 8193 from source VSS: Volume Shadow Copy Service error: Unexpected error calling routine Cannot find anymore diff area candidates for volume...

Console Error - Failed to connect to Veeam Backup & Replication Server

Challenge When attempting to connect to the Veeam Backup & Replication server using the console, the connection fails with one of the following errors: Failed to connect to the Veeam Backup & Replication server: No connection could be made because the target machine actively refused it :9392 Fail...

Release Notes for Veeam ONE 9.0 Update 1

Challenge Release Notes for Veeam ONE 9.0 Update 1 Cause Please confirm you are running Veeam ONE 9 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client, the build number should be 9.0.0.xxx. After upgrading, your version build will be 9.0.0.2088. Thi...

Script execution on Linux target fails with “Permission Denied” even when executed as root.

Challenge When interacting with Linux servers, Veeam Backup & Replication may encounter a "Permission Denied" error during script execution Pre-freeze, post-thaw, and repository data mover agent scripts, even when the account being used is the root user. Cause All script files are uploaded to and...

Veeam Management Pack 8.0 for System Center Update 1 Release Notes

Challenge Release Notes for Veeam Management Pack 8.0 for System Center Update 1. Cause Please confirm you are running Veeam Management Pack 8.0 prior to installing this update. You can check this in Operations Manager console under Administration | Management Packs, the build number should be...

Total VMs Count in Infrastructure Overview Report

Challenge The Infrastructure Overview report shows different values between vCenter Servers Virtual Machines and Storage Number of VMs. Cause Here are the possible causes of such behavior: one VM is linked with more than one datastore; for the "vCenter Servers" templates are not counted; "Storage...

SureBackup job fails with "Unnamed VM could not initialize" error

SureBackup job fails with "Unnamed VM could not initialize" errorIn the logs you can see the following error message:19.03.2015 14:38:08 Error Failed to power on virtual machine...

Failover of replica using Re-IP causes Windows crash (the “blue screen” error) on the Veeam Backup server.

Challenge During the failover of a replica that was configured to use Re-IP, a Windows "blue screen" error occurs on the Veeam Backup Server. Cause When performing the Re-IP process the Veeam Backup & Replication software mounts the replica's VMDK using VDK to modify registry entries within the...