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 ...

Shared Server Compatibility of Veeam Backup for Microsoft 365 and Veeam Backup & Replication

Purpose It is important to remember that Veeam Backup for Microsoft 365 and Veeam Backup & Replication are separate backup products designed to operate separately from each other. However, both Veeam Backup for Microsoft 365 and Veeam Backup & Replication utilize Veeam Explorers as secondary...

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...

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 v2.1.225, make sure that you are running Veeam Backup & Replication...

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...

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...

How to Reset Password in Veeam Backup for Microsoft Azure Appliance

Purpose This article documents methods to reset the password of the Veeam Backup for Microsoft Azure service account. Solution Reset Password via The Microsoft Azure portal 1. Open the Microsoft Azure portal. 2. Log in using your Microsoft Azure credentials. 3. Select the virtual machine with Vee...

Additional Information on “Cost Estimation” in Veeam Backup for AWS

Related User Guide Page This KB article provides additional information to the following pages: Creating EC2 Backup Policies Step 9. Review Estimated Cost Creating RDS Backup Policies Step 9. Review Estimated Cost Challenge Cost Estimation provides the administrator feedback on estimates of AWS...

How to Use Multiple Backup Repositories Pointing to a Single Catalyst Store

Challenge To minimize backup job duration and reduce disk space used for backups, you can configure multiple Veeam Backup & Replication repositories on a single HPE StoreOnce Catalyst Store. However, due to the lack of folders concept on StoreOnce, such configuration may result in Veeam B&R...

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...

Red Hat Enterprise Linux kernel 2.6.32-754.6.3 is not supported by Veeam Agent for Linux

Challenge Veeam Agent for Linux may cause an operating system crash on machines running Red Hat Enterprise Linux RHEL or its derivatives CentOS, Oracle Linux with Linux kernel version 2.6.32-754.6.3.el6 update RHSA-2018:2846. Cause Veeamsnap, Agent for Linux kernel module is not compatible with...

Backing Up Hyper-V Guest Cluster Based on VHD Set

Challenge VHD Set is a new shared Virtual Disk model for guest clusters in Windows Server 2016 and later. VHD Set files can be included in application-consistent checkpoints and backed up, but there are some limitations. Cause Please make sure the following requirements are met: Each guest VM...

Recovery Media based on Windows 1709 fails to connect to SMB1 shares

Challenge When booting with Recovery Media which is based on Microsoft Windows 10 Fall Creators Update or Microsoft Windows Server 1709, a connection attempt to CIFS shares fails with: You can't connect to the file share because it's not secure. This share requires the obsolete SMB1 protocol, whi...

How to Change Where SQL Transaction Log Backups Are Temporarily Stored on SQL Server

Purpose This article documents how to change the location where SQL transaction log backups are temporarily stored on a SQL server before being transferred to the repository. This article is relevant to the following parent-job types where SQL Transaction Log Backup can be used as a child-job:...

How to Manually Recreate the Veeam ONE Database

Purpose This article documents how to manually create a new Veeam ONE database. Solution 1. Follow the steps for Creating Veeam ONE Database with SQL Script in the Veeam ONE User Guide. The link in this step will direct you to the most recent Veeam ONE version's user guide. If you are rebuilding...

HotAdd Error: Failed to allocate SCSI target ID

Challenge A VMware VM Backup job utilizing Virtual Appliance HotAdd Transport Mode fails when attempting to attach disks to the proxy with the error: Error: Agent: Failed to process method HotAdd.AttachDisks: Failed to open VDDK disk DATASTORE vmname/diskfile.vmdk is read-only mode - true Logon...

Attempting to upgrade/install Backup Enterprise Manager to v9 – Error: “No such service found”

While attempting to upgrade/install Veeam Backup Enterprise Manager to v9 the error “No such service found” occurs. For this KB to be applicable the following errors must be found within the CatalogSe...

How to Change the Veeam ONE Monitor Performance Cache Location

Purpose This article documents how to change the location where Veeam ONE stores the performance cache data. Solution Method 1: Change Performance Cache Location via the Settings Utility Veeam ONE Server Settings Performance Cache Method 2: Change Performance Cache Location via Registry Value 1. ...

Veeam Backup & Replication Upgrade Paths

Tenants of Veeam Cloud Service Providers If your Veeam Backup & Replication installation is connected to a Veeam Cloud Service Provider, contact your Service Provider before upgrading to ensure that the intended upgrade will not break compatibility. A tenant cannot be on a newer version of Veeam...

Slow Restore Performance With Direct SAN Mode

Challenge When performing an Entire VM Restore or Virtual Disk Restore using Direct SAN Restore, the performance may be sub-optimal when the restored Disk Type Setting is set to Thick lazy zeroed. Cause When using Direct SAN to restore a disk with its disk type set to Thick lazy zeroed, overall...

Error "Unable to communicate with the remote host, since it is disconnected." with replication or restore

Article Applicability The error, "Unable to communicate with the remote host, since it is disconnected. " may occur for many reasons, some more straightforward than others. This article is specifically related to a more obscure scenario where the destination ESXi host runs a vSphere version that...

Health Service (Monitoring Host) Handle Count has exceeded the threshold

Challenge The following alerts about handle counts on the collector server are raised: Health Service Monitoring Host Handle Count has exceeded the threshold Health Service Handle Count has exceeded the threshold Cause The monitors raising the mentioned alerts ensure that the "Process\Handle Coun...

Free ESXi for VMware is not supported

Challenge A job fails with the error: Your Veeam Backup license does not allow processing of free ESXi. Copy Cause As detailed in the Platform Support page of the User Guide: Free ESXi is not supported. Veeam Backup & Replication leverages vSphere and vStorage APIs that VMware disables in free...

There are no more endpoints available from the endpoint mapper server

Challenge A Backup job with Application-Aware Processing enabled fails with the error: There are no more endpoints available from the endpoint mapper server Cause The error is being relayed by Veeam Backup & Replication from the Guest OS. RPC is not functioning correctly. Solution Before running ...

New Search Experience for Veeam Data Cloud for Microsoft 365

Purpose We are excited to announce the initial rollout of our new search feature, designed to significantly improve the speed and efficiency of your search experience. Below are the details and important limitations to be aware of during this phased rollout. What's New Faster Search Experience Ou...

Most Common Issues with Salesforce Connected App in Veeam Data Cloud for Salesforce

Purpose This article documents the changes to Connected App usage in Veeam Data Cloud for Salesforce resulting from Salesforce's restriction of uninstalled connected apps, effective Autumn 2025. It provides guidance on authorization requirements, common connection errors, and necessary permission...

Content-MD5 HTTP header is required for Put Object requests with Object Lock parameters

Challenge Jobs targeting an S3-Compatible repository fail with either of the following errors: Error: S3 error: Content-MD5 HTTP header is required for Put Object requests with Object Lock parameters Code: InvalidRequest Agent failed to process method S3 error: Checksum Type mismatch occurred,...

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...

Release Information for Veeam ONE 13 Patch 1

Veeam ONE 13 Releases 13.0.2.6723 2026-05-27 What's New New Features and Improvements Suspicious Incremental Backup Size Alarm -- Extended Platform Support The Suspicious Incremental Backup Size alarm now covers all platforms supported in Veeam ONE v13, including Proxmox VE, oVirt KVM Oracle Linu...

Veeam My Account Portal - MFA Guide

Veeam Data Cloud MFA Requirements As of July 7, 2026, logging in to Veeam Data Cloud cloud.veeam.com using the Continue with Veeam authentication option now requires that your Veeam Account have Multi-Factor Authentication MFA enabled. If you use the Continue with Microsoft authentication option,...

Release Information for Proxmox Virtual Environment Plug-In v12.1.3.217

Update: 2025-03-19 Consider the following regarding the Proxmox Virtual Environment Plug-In: The Plug-in build on this page, 12.1.3.217, is included automatically when upgrading to or installing Veeam Backup & Replication 12.3.1. The Plug-in only needs to be manually deployed by customers still...

Granular sudo Permissions for Installing Veeam Plug-ins for Enterprise Applications using Protection Groups

Challenge This article provides an example granular 'sudoer' configuration for the Linux account that will be used by Veeam Backup & Replication when installing Veeam Plug-Ins for Enterprise Applications using a Protection Group, specifically for Veeam Plug-in for Oracle RMAN and Veeam Plug-in fo...

Restore to oVirt KVM VM Post-Restore Recommended Actions

Purpose This article documents recommended post-restore actions that should be taken after restoring VMs, physical machines, and cloud machines to the oVirt KVM hypervisor. Solution Starting in the oVirt KVM Plug-In included with Veeam Backup & Replication 12.3, a feature has been added that allo...

Hyper-V SureBackup Task Failure: "VM was created with the later version of Hyper-V than the one installed on host"

Challenge A task within a SureBackup job for a Hyper-V environment fails with the error: Error: VM was created with the later version of Hyper-V than the one installed on host Cause This error occurs when the Virtual Lab in use by the SureBackup job is located on a host that is running a version ...

Linux Hardened Repository Unable to Update Immutability or Remove Restore Points due to SGID

Article Applicability The errors in this article may occur for other reasons, this article is specifically relevant to a situation in which these errors occur because the folder where the backup files are stored has an SGID Set-Group ID configured. Example: backupsvc@rhel9$ ls -l total 1 drwxr-s...

How to Clean Up Veeam Kasten for Kubernetes Manual Backups

Purpose This article provides an overview of scenarios where out-of-schedule restorePoints are created and how to identify and remove them. Cause With Veeam Kasten for Kubernetes , there are multiple ways to take backups & exports. A manual backup/export from the application menu. A manual policy...

How to Patch Veeam Kasten for Kubernetes CR used by Red Hat Marketplace Operator

Purpose This article provides an easy way to patch the Veeam Kasten for Kubernetes operand and make changes to the Veeam Kasten for Kubernetes configuration in an operator-based installation. Solution Veeam Kasten for Kubernetes is available for installation in an OCP cluster through either helm...

How to Configure Veeam Intelligent Diagnostics Log Location

Purpose This article documents how to change the location where Veeam Intelligent Diagnostics stores the logs it collects--allowing customers to configure both where those logs are stored temporarily on the Veeam Backup Server before being transferred to the Veeam ONE server and where those logs...

Release History for Veeam Service Provider Console 8

This release is superseded by Veeam Service Provider Console 8.1. Veeam Service Provider Console 8 Builds 8.0.0.19552 This is a repack of build 8.0.0.19236 that includes an enhanced update to address the critical vulnerability in VSPC. Although our initial patch effectively addressed the primary...

Veeam Backup for Microsoft 365 Updater Fails With: "Error opening installation log file."

Challenge For Veeam Backup for Microsoft 365 deployments from AWS Marketplace or Microsoft Marketplace, when attempting to install discovered updates or when the auto-updater attempts to update Veeam Backup for Microsoft 365, the update process fails with the error: Error opening installation log...

FC-Only Nimble Array Snapshot Failures in Veeam Backup & Replication P20230718

Challenge When using Veeam Backup & Replication 12 P20230718, rescan, backup, and restore operations may fail when the Nimble array is configured to only use Fibre Channel FC protocol. The request could not be understood by the server. Unexpected argument 'multiinitiator'. Solution A private fix ...

Azure Storage Account Key Security Advisory

Purpose This article highlights a flaw in the design of Microsoft Azure roles that could lead to breaches between control and data planes. If a control plane user's account is compromised, it can be used to access and alter files stored in the storage accounts accessible to them. Cause The ListKe...

Release Information for Veeam Backup for Google Cloud 4 Patch 1

Requirements Before installing this patch, please confirm that you are running Veeam Backup for Google Cloud 4 build 4.0.0.1072. You can check your build number under Configuration | Support Information | About | Server version by clicking the gear icon at the top-right corner of the main menu in...

Backup of Microsoft Teams Fails With: Object reference not set to an instance of an object

Challenge Backup of Microsoft Teams in Veeam Backup for Microsoft 365 fails with the following error: Error: Object reference not set to an instance of an object. Copy Cause This issue is related to recent changes in the response syntax of the Microsoft Graph API to a specific request that Veeam...

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...

Mounting SMB Share During AIX Bare Metal Restore Results in Inaccessible Data on Restored Machine

Challenge After mounting a CIFS/SMB mount in the Bare Metal Restore environment, data on some VG aren't accessible in the restored system. Cause This issue occurs because affected VG's major device number in /dev doesn't match information within ODM. Detailed Cause: Before a CIFS/SMB share can be...

SureBackup VM Power On fails with: "Failed to extend swap file" or "Error: Insufficient resources."

Challenge A SureBackup job, for a VMware environment, fails during the VM Power On step with either of the following errors: Error: Module 'MonitorLoop' power on failed. Module 'MonitorLoop' power on failed. Failed to extend swap file...

Veeam Backup & Replication Communication With Azure Proxy Fails With "The RPC server is unavailable"

Challenge When attempting to add an Azure Restore Proxy Appliance to Veeam Backup & Replication or performing a Restore to Microsoft Azure using an Azure Restore Proxy Appliance, the following errors may occur: When attempting to add an Azure Restore Proxy Appliance: Failed to save Azure proxy...

"Internal Server Error" in the Veeam ONE Web Client after upgrade to version 11a

Challenge When attempting to open the reports in the Veeam ONE Web Client, the following error message pops up and the Infrastructure objects are not listed in the reports scope: Solution Option 1: Upgrade to Veeam ONE 12 or higher This issue is fixed in Veeam ONE 12 and higher, to upgrade downlo...

Release Information for Veeam Backup for Microsoft 365 5d Cumulative Patch KB4222

This patch is superseded by Veeam Backup for Microsoft 365 5d Cumulative Patch KB4278 Requirements Please confirm you are running Veeam Backup for Microsoft 365 build 5.0.3.1033 prior to installing this Cumulative Patch. You can check this under Help and Support About in the Veeam Backup for...