Backup Job has Too Many Restore Points - Considerations and Causes

Purpose This article provides information about the three most common configurations whose behavior can appear to cause "Too many restore points." Forward Incremental Retention Per-Machine Backup Files Immutability Solution Forward Incremental Retention The Forward Incremental Backup mode's metho...

How to Start a New Backup Chain

Purpose This article documents how to force a backup or backup copy job to start a new backup chain by disconnecting the existing restore points from the job. Solution Please ensure that the destination repository will have sufficient space to start a new backup set. Veeam Backup & Replication 12...

Surebackup VDDK error: 16064. Host is not licensed for this feature

Challenge When SureBackup job is running against Domain Controller, Veeam B&R server is unable to access disk of the target machine. The following error can be seen in the log: VDDK error: 16064.Host is not licensed for this feature 25.05.2011 07:53:34 Info AP Client error: Failed to open VDDK di...

Support Statement - Veeam Software Appliance Customizations

Support Statement Installing additional Linux packages, third-party applications, or changing OS settings other than those that can be controlled via the Veeam Host Management Console on the Veeam Appliances is not supported. Veeam Customer Support cannot provide technical support for appliances...

Failed to process site: {}. Failed to resolve personal site owner.

Challenge Backup job of a personal site fails with: Failed to process site: 0. Failed to resolve personal site owner. For more details, see KB4756. Cause This error indicates that Veeam Backup for Microsoft 365 was unable to correlate a Personal Site to a specific user because the owner of the si...

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...

Debugging Backups with Longhorn CSI

Challenge Veeam Kasten for Kubernetes backup job that doesn't complete while using Longhorn CSI drivers is never-ending even after the proper installation of CSI snapshotter components and controllers. No errors are noticed generally for this issue. The job waits for the volumesnapshot object in...

How to Configure EKS Clusters to Use AWS IAM Users/Roles for Veeam Kasten for Kubernetes Access

Purpose Follow this guide to provide appropriate Veeam Kasten for Kubernetes role-based access using AWS IAM users or roles. Solution Description Veeam Kasten for Kubernetes integrates with whatever authentication mechanism customers use to access their Kubernetes clusters. Since EKS natively...

Guest File Restore from Backup of Linux on Power Machine Fails to Mount

Challenge When restoring files and folders from a Veeam Agent for Linux backup of a Linux on Power machine that was using the BTRFS filesystem, if a temporary helper appliance or non-Linux on Power machine is used, the mount operation step of the restore will fail with: Fuse mount failed: Failed ...

Task Using Wasabi S3 Fails With "XML error: [Error document empty.]. Error code: [13]."

Due to an issue within Wassabi's infrastructure, the XML content provided to Veeam is unexpectedly blank...

How to Customize Retention Options in Drop-Down for Copy Backup, Export Backup, and VeeamZIP

Purpose This article documents how to customize the retention options that are available when configuring the following tasks: Copy Backup Export Backup VeeamZIP Copy Backup Export Backup VeeamZIP Solution The custom retention options are loaded by the Veeam Backup Service during startup of the...

Quantum DXi Storage With Firmware 3.x Does Not Work with Veeam Backup & Replication 12

Challenge When attempting to add Quantum DXi storage with firmware 3.x to Veeam Backup & Replication, the following error is shown: Failed to StartAgent: Failed to construct ClientAgentProtocol. If the Quantum DXi storage was added to Veeam Backup & Replication prior to upgrading to Veeam Backup ...

Release Information for Veeam Backup for Salesforce 1 Cumulative Patches

This update has been superseded by Veeam Backup for Salesforce 2. Requirements Please confirm that you are running Veeam Backup for Salesforce 1 build 1.0.0.1429 or later before upgrading. You can find the currently installed build number in the Configuration About section. After the upgrade, the...

Veeam Agent for Linux crash with null pointer dereference on 5.9+ kernels

Article Applicability This article is relevant only to Veeam Agent for Linux build 5.0.2.4567. The issue discussed in this article is resolved in Veeam Agent for Linux 6 with the blksnap kernel module. Challenge Symptom Shortly after Veeam Agent for Linux creates a veeamsnap snapshot, the system...

XSS Vulnerability in Veeam Management Pack for Microsoft System Center v8

Vulnerability Details A reflected DOM-Based XSS vulnerability has been discovered in the Help directory of Veeam Management Pack for Microsoft System Center 8.0. This vulnerability could be exploited by an attacker by convincing a legitimate user to visit a crafted URL on a Veeam Management Pack...

Object Properties Collection Task finishes with the "fail" status when VMware Site Recovery Manager is used for monitored vCenter server(s)

Challenge When one or more federated SSO vCenter Servers joined to VMware Site Recovery Manager are added to Veeam ONE, the Object Properties Collection Task may complete with a "fail" status. Correlated with the task completion time, an entry in the Event Logs will display "An item with the same...

Release notes for Veeam Backup & Replication 10a Cumulative Patch P20210609

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version This 10a release may only upgrade to 11a or higher. The build of Veeam Backup & Replication 10a P20210609 listed in this article is only compatible with upgrading to...

Google Cloud VMware Engine (GCVE) Support Statement

Support Statement Google Cloud VMware Engine GCVE is a fully compliant and certified full-stack cloud infrastructure sold and supported by Google. You can natively deploy VMware vSphere-based workloads in a dedicated Software-Defined Data Center SDDC on Google Cloud and utilize the same...

Migrating VAO 1.0 Deployment to Version 2.0

Challenge Upgrade of Veeam Availability Orchestrator to version 2.0 is not supported. However, you have an option to migrate your VAO 1.0 configuration to version 2.0 with minimal downtime. This KB article briefly describes architectural changes introduced in 2.0 version and provides step-by-step...

Support Partners Case Management

Challenge A new feature on the ProPartner Portal allows all registered users of a ProPartner's organization to submit and manage Veeam support tickets on behalf of that ProPartner's customers. Previously, the Case Administrator feature only allowed specific employees at a ProPartner organization...

“For security reasons DTD is prohibited in this XML document” error in Veeam Backup for Microsoft 365

Challenge Interactions with either SharePoint Online or OneDrive for Business within Veeam Backup for Microsoft 365 fail with either of the following errors: For security reasons DTD is prohibited in this XML document Copy Identity Client Runtime Library IDCRL could not look up the realm...

Veeam Backup & Replication Console Fails to Open After a Hostname Change

Article Applicability This article very specifically applies to Veeam Backup & Replication using the installer-deployed Microsoft SQL Server Express instance. After changing the Veeam Backup Server hostname, the SQL connection settings in the registry may still reference the old hostname. Startin...

vSphere 6.5 backup/replication jobs hang

Challenge vSphere 6.5 backup/replication jobs may hang forever if you're using Windows Server 2008 R2 or Windows 7 backup proxies. Agent…Source.log files contain lines similar to the following: 16.01.2017 16:16:08 vdl| Loading VDDK library. Version: 6.5, directory: 'C:\Program Files...

Deduplication Appliance Best Practices

To learn about the Performance Impacts of Deduplicated Storage Systems, visit KB2660. Purpose This article provides links to vendor-provided best practices documents and vendor-specific configuration advice found in the Veeam Backup & Replication User Guide. It also offers general recommendations...

Win32 error: The directory name is invalid.

VSS integration fails with the following error: Win32 error: The directory name is invalid...

List of Security Fixes and Improvements in Veeam Kasten for Kubernetes

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Kasten for Kubernetes. This article aims to provide our customers' security and compliance teams with detailed information on security improvements. Full product release notes...

SureBackup Job Displays Error "PowerShell is not installed on this computer."

Challenge A Veeam Backup & Replication 12.x SureBackup job, utilizing a PowerShell script as part of testing, fails with the error: SureBackup JobName ScriptTests End 'Custom script 1: name $scriptName, failed - PowerShell is not installed on this computer ' Cause This issue occurs for machines...

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...

"SharePoint Server backup is not configured for this organization."

Challenge A SharePoint backup job in Veeam Data Cloud for Microsoft 365 fails with the following error: SharePoint Server backup is not configured for this organization. Note: This error occurs despite SharePoint being correctly configured in Microsoft 365. Cause The issue occurs for specific...

Veeam Kasten for Kubernetes - Used Ports

Purpose This article provides information regarding network ports that are used for different internal services of the Veeam Kasten for Kubernetes application. Solution The following information of Veeam Kasten for Kubernetes services and network ports associated with them will help with port...

Veeam Kasten for Kubernetes - vSphere Block Mode Exports Failure With Error 14009

Challenge During vSphere block mode export, in certain situations, it might be observed that the folders/objects get created in the storage bucket. However, the export job remains stuck, and the following error message is seen in the debug logs: "Open virtual disk file failed. The error code is...

How to Configure AWS Application Loadbalancer (ALB) for Veeam Kasten for Kubernetes

Purpose This article provides an example of configuring AWS Application Loadbalancer ALB for accessing the Veeam Kasten for Kubernetes UI. Note: This documentation assumes that the ALB ingress controller has already been installed and configured. Solution What is an ALB An Application Load Balanc...

Explorer for Microsoft Teams: "System event messages are unsupported."

Challenge When exploring Teams channel messages, some messages are listed with an empty Author and Subject value. Attempting to preview one of these messages causes the following warning to be displayed: System event messages are unsupported. Cause This warning occurs because system messages cann...

How to Expand Backup Heatmap Widget From 12 Hours to 24

Article Applicability This article documents changing the Backup Heatmap time scale in the Analytics Dashboard of the Veeam Backup & Replication Console in version 12.1. Please note that the heatmaps in the view are only available if Veeam ONE is integrated with Veeam Backup & Replication. Purpos...

SureBackup Job Failure: "The resource 'VeeamBackup_' is in use."

Challenge A SureBackup job in a vSphere environment fails with the error: The resource 'VeeamBackup' is in use. The error as found in the SureBackup Job log%programdata%\Veeam\Backup\SureBackup\Job.SureBackup.log: Error Failed to connect backup datastore to the ESXi host "esx01.domain.tld"...

Rescan of Windows Machine in Protection Group Fails With "The network path was not found."

Article Applicability This article addresses situations in which credential-based authentication is used to add a Windows machine to a Veeam Agent for Microsoft Windows protection group. The troubleshooting steps below address connectivity failures that occur when Veeam Backup & Replication...

Application-Aware Processing Tasks Fail in a Kerberos-Only Environment After Upgrading to Veeam Backup & Replication 12

Challenge If you use persistent agents for guest OS processing in a Kerberos-only environment, after upgrading to Veeam Backup & Replication 12, some backup jobs may fail with the error: Failed to connect to guest agent, failing over to guest agent through VIX Failed to connect to guest agent...

How to Create a Salesforce Connected App to Connect Veeam Backup for Salesforce to Salesforce.com

This article was designed to compliment the Veeam Backup for Salesforce User Guide Deployment Performing Initial Configuration Step 5. Create Connected App Purpose This article documents how to create a Connected App in Salesforce to integrate with Veeam Backup for Salesforce via Salesforce API. ...

Build Numbers and Versions of Veeam Agent for IBM AIX

This KB article lists all versions of Veeam Agent for IBM AIX and their respective build numbers. For more information on downloading the latest version of Veeam Agent for IBM AIX , visit: Veeam Agent for IBM AIX -- Current Version Download Page Veeam Agent for IBM AIX -- What's New Current Versi...

Release Information for NEC Storage V Series Plug-In for Veeam Backup & Replication

This plug-in leverages the Veeam Universal Storage API, which enables storage OEMs to allow Veeam Backup & Replication integration to the arrays for backup and replication jobs. Requirements Before installing NEC V Series Plug-In v2.2.271, make sure that you are running Veeam Backup & Replication...

How to Connect to an Object Storage Repository via Google Cloud Private Access

Purpose This article documents how to configure Veeam Backup & Replication to use Google Cloud Private Access to connect to a GCS bucket instead of the public IPs for Scale-Out Backup Repository offload to Capacity Tier or Archive Tier or to connect to an Object Storage Repository in Veeam Backup...

Unable to use Veeam Agent for IBM AIX after LIBPATH variable has been changed

Article Applicability This article is relevant only to Veeam Agent for IBM AIX 13.0.2.2108 and lower. Challenge In IBM AIX, it is possible to change the LIBPATH variable globally. However, doing so overrides the library loader domain configuration for all the applications running with system...

Veeam Cloud Connect Scalability Tweaks

Purpose This article documents advanced settings to optimize Veeam Cloud Connect to handle many connections. Numerous optimizations to the Cloud Connect framework on both the service provider and the tenant sides have been introduced to increase its scalability including the number of concurrent...

GPG error: The following signatures were invalid: KEYEXPIRED

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 For the products of specific versio...

"No destination network for IP address" error during SureBackup

Challenge A Surebackup job fails with the error: Error: No destination network for IP address When selecting the individual server from the VM list in the status window, the following error is seen: Results: no destination network for IP address Error: No destination network for IP address Cause...

Installing DKMS in SLES

Challenge On SUSE Linux Enterprise Server SLES, a non-precompiled veeamsnap module requires the dkms package, but the dkms package cannot be found. Cause The dkms package is not available within the Packman repository for SLES. Solution Install the OpenSUSE dkms package on the SLES system. Exampl...

Support for Oracle Cloud VMware Solution (OCVS)

Support Statement Oracle Cloud VMware Solution OCVS allows you to create and manage VMware-enabled software-defined data centers SDDCs in Oracle Cloud Infrastructure. Oracle Cloud VMware Solution provides self-service provisioning with full administrative permissions, including root access,...

Veeam Agent for Microsoft Windows: How to Setup Exclusion and Inclusion Masks

Resources Veeam Agent for Microsoft Windows Standalone: Use Filters to Define File-Level Backup Scope Veeam Agent Management: Using Filters in Backup Jobs for Windows Computers If this KB article did not resolve your issue or you need further assistance with Veeam software, please create a Veeam...

Cannot edit configuration of VMware VM via ESXi after Instant Recovery from Veeam Agent backup

Challenge When you complete Instant VM Recovery from the Veeam Agent backup, then try to edit the VM configuration via ESXi, the following error occurs: "Enter a disk size which is larger than its original capacity." Then you try to edit the decimal virtual disk size via ESXi, and another error...

Veeam Explorer for Microsoft Exchange Error: "Incompatible Veeam Backup for Office 365 server version"

Challenge When attempting to restore data using Veeam Explorer for Microsoft Exchange, SharePoint, OneDrive for Business, or Teams, the following error occurs: Incompatible Veeam Backup for Office 365 server version received: X.X.X.XXX, expected: Y.Y.Y.YYY. Cause This issue occurs because the...