How to Update NATS and PostgreSQL Passwords Used by Veeam Backup for Microsoft 365

Purpose This article documents the procedures for updating the password Veeam Backup for Microsoft 365 uses to connect to the NATS server and the configuration database. Solution Expand the section below relevant to the password that has been changed: How to Update NATS Server Password Default...

Bad Hyper-V Username Logon Attempt

Challenge Veeam ONE raises the following event-based alarm:Bad Hyper-V username logon attempt. Cause The Bad Host Username Logon alert suggests that someone is attempting to access the host with an invalid username or password. Solution Veeam ONE raises the Bad Hyper-V username logon attempt alar...

How to Use Veeam Data Cloud Vault with ExpressRoute with Private Peering

Purpose This article documents the usage of Veeam Data Cloud Vault within environments that use Azure ExpressRoute with private peering. Solution Software Prerequisites Veeam Backup & Replication v12.3 or higher Veeam Data Cloud Vault Configuration Notes This article covers customers using...

Granular sudo Permissions for Management of Hardened Repository

Purpose This article documents the granular sudo permissions required to allow Veeam Backup & Replication to deploy and manage a Hardened Repository. Solution Account Requirements The Linux user account used by Veeam Backup & Replication to deploy and manage the Hardened Repository must use the...

How to Merge Veeam Data Platform Licenses

Purpose This article documents the process for merging and unmerging licenses for Veeam Data Platform. Notes: Veeam Backup & Replication - Merging licenses for Veeam Backup & Replication can either be done in the application by combining a socket and an instance license or through the Veeam My...

Insufficient Storage for VSS Error "0x8004231F or Error: VSSControl: -2147467259"

Challenge The following error occurs during a task that utilizes the Microsoft VSS subsystem: VSSControl: -2147467259 Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. VSS asynchronous operation is not completed. Operation: Shadow copies commit. Code:...

Cannot request cryptocontainer. Win32 error:Keyset as registered is invalid

Challenge A Veeam Agent for Microsoft Windows backup job completes with the following warnings: Cannot request cryptocontainer. Win32 error:Keyset as registered is invalid. and SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be...

Veeam Backup for Microsoft 365 server license type is not compatible with Veeam ONE license type.

Challenge When attempting to add Veeam Backup for Microsoft 365 to Veeam ONE, the connection fails with: Failed to connect to "". Veeam Backup for Microsoft 365 server license type is not compatible with Veeam One license type. Cause As documented in the Veeam Backup for Microsoft 365 7 Release...

How to Use VSSTrace to Collect VSS Diagnostic Logging

Challenge This article explains how to collect additional VSS diagnostic data with the VSSTrace tool, a Microsoft Windows Software Development Kit SDK component. Cause Veeam products use Microsoft Volume Shadow Copy Service VSS for various tasks. Sometimes it is necessary to go through the...

Restored Linux Machine Fails to Boot

Challenge An issue with initiramfs may cause the restored Linux machine to fail to boot with the following symptoms: ForRHEL/CentOS/SUSE systems, during the boot process, they will drop into the dracut emergency shell and display errors similar to: dracut-initqueue timeout - starting timeout...

Vulnerabilities Resolved in Veeam Service Provider Console 9.3

All vulnerabilities documented in this article were resolved in Veeam Service Provider Console 9.3.0.35057. Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we operate a Vulnerability Disclosure...

Vulnerabilities Resolved in Veeam Backup & Replication 12.3

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 12.3. Veeam Product Latest Version Download Page Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we operat...

Veeam Agent Standalone Backup Fails with "Version string portion was too short or too long"

Challenge After upgrading Veeam Backup & Replication to version 12, the following tasks for Standalone Veeam Agent i.e., Veeam Agent for Microsoft Windows, Veeam Agent for Linux, Veeam Agent for IBM AIX, and Veeam Agent for Oracle Solaris deployments that existed before the upgrade may fail...

"Access is Denied." When Using a Local Account to Add a Windows Machine to Veeam Backup & Replication

Article Applicability This article relates to an error that only occurs when Veeam Backup & Replication is deployed on a Windows machine. With the Veeam Software Appliance, to add a Windows machine using credentials, it requires that both the appliance and the Windows machine are added to the sam...

Veeam Security Bulletin (September 2024)

All vulnerabilities documented in this article are resolved in the latest version of each product. Veeam Product Latest Version Download Page Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we...

Failed to upgrade host components. Error 1920.Service Veeam WAN Accelerator Service failed to start.

Challenge The Veeam WAN Accelerator component upgrade fails with the following error: Failed to upgrade host components. Error: ''Error 1920.Service Veeam WAN Accelerator Service VeeamWANSvc failed to start. Verify that you have sufficient privileges to start system services.' The Components Upda...

Build Numbers and Versions of Veeam ONE

This KB article lists all versions of Veeam ONE and their respective build numbers. For more information on downloading the latest version of Veeam ONE, visit: My Account Portal - Product Downloads Latest Downloads Page Veeam ONE -- What's New PDF Version | Build Number | Release Date | Release...

Release Information for Veeam Backup & Replication 12.1 and Updates

This update was superseded by Veeam Backup & Replication 12.3. Release Information 12.1.2.172 2024-05-21 Security Vulnerabilities Indicated severity values are CVSS 3.1 scores. Veeam Backup Enterprise Manager VBEM CVE-2024-29849 | Severity: Critical 9.8 This vulnerability in VBEM allows an...

Release Information for Dell PowerStore 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 Dell PowerStore Plug-In v2.1.9, ensure that you are running Veeam Backup & Replication...

Build Numbers and Versions of Veeam Plug-In for Scale Computing HyperCore

This KB article lists all versions of the Veeam Plug-In for Scale Computing HyperCore and their respective worker build numbers. Version | Plug-In / Worker Build | Release Date ---|---|--- Veeam Plug-In for Scale Computing HyperCore 4 Releases Veeam Plug-In for Scale Computing HyperCore 4.0...

How to Investigate 'Encrypted Data Event' from Malware Detection

Functionality Now Integrated Starting in Veeam Backup & Replication 13.1, entropy event investigation is now a built-in feature. For more information, review: Veeam Backup & Replication User Guide Analyzing Encrypted Data Events Purpose This article documents how to investigate which files are...

Removing a License from Veeam Backup and Replication or Enterprise Manager

Purpose This article provides information regarding removing licenses from Veeam Backup & Replication and Enterprise Manager. Solution Removing License From Veeam Backup & Replication Limitations If the Veeam Backup & Replication deployment is managed by Veeam Backup Enterprise Manager , the...

Upgrading the PostgreSQL Database Engine Software Used by Veeam Backup for Microsoft 365

Support Scope This article is provided as a courtesy to give customers a high-level explanation of how to upgrade the underlying PostgreSQL database engine used to host the Veeam Backup for Microsoft 365 configuration database. Per the Veeam Customer Support Policy, section 10: Support for Veeam...

Optimizing and Maintaining SQL Server Instance Hosting Veeam Service Provider Console Configuration Database

Purpose This article was produced in coordination with the Veeam R&D team to provide Service Providers with a comprehensive list of the most common performance improvements and maintenance actions relating to the underlying Microsoft SQL Server instance that hosts the Veeam Service Provider Conso...

How to Remove Servers From Veeam Backup & Replication Console Launcher

Purpose This article documents the procedure for removing previously used backup server entries from the Veeam Backup & Replication Console Launcher. Solution Veeam Backup & Replication Console settings are stored per user in the file:...

‘The revision level is unknown’ upon Guest OS File restore

Challenge When attempting to restore files from a backup of a server that was running Windows 2016 or 2019 and had Deduplication enabled for some or all of the drives, the restore fails with the following error: Failed to restore "" Error: Failed to read xx bytes from the file...

How to Collect Guest Processing Log Files

Purpose This article documents how to locate and gather guest-level log files associated with Application-Aware Processing or VM Guest OS File Indexing that occurs with Veeam Backup & Replication VM backup jobs. While investigating issues related to Guest Processing, additional logs must be...

Troubleshooting Guest Processing Issues | "Test Now" or "Verify network connectivity and credentials"

Article Applicability This article's primary focus is on traditional credentials-based authentication. For environments using a Group Managed Service Account gMSA, please review the User Guide first to ensure you are familiar with all the Requirements and Limitations of gMSA usage. Challenge Skip...

How to Exclude Microsoft SQL Databases from Application-Aware Processing

Purpose This article documents how to exclude a Microsoft SQL Database from being processed by Application-Aware Processing. Limitations and Considerations Excluding a database from Application-Aware Processing only means it will not be processed as part of the VSS snapshot operation, and the...

Veeam Management Pack v6 Required Ports and Permissions

Solution Required Permissions Connection to Virtual Servers VI Object | Required Permissions ---|--- vCenter, ESXi Host | Read-Only1 Host.CIM.CIM Interaction2 Datastore.Browse Datastore3 Datastore.Configure Datastore3 Datastore Cluster.Browse Datastore Cluster3 1 Minimum required permission over...

Failed dependencies: libmsi1 is needed by veeam-guest-interaction-proxy

Challenge Attempting to add a Linux server as a managed server fails with the following error: Failed dependencies: libmsi1 is needed by veeam-guest-interaction-proxy Rocky Linux may also display the following error if the libmsi1 package is already installed: Failed dependencies: ntfs-3g is need...

How to Perform a Manual Failback (Reverse Replication)

Article Applicability This article is relevant only to non-CDP snapshot-based replicas. Reverse replication cannot be used to fail back a CDP replica. To fail back a CDP replica, use the built-in failback workflow described in Failover and Failback for CDP. Purpose This article describes how to...

Vulnerability Resolved in Veeam Service Provider Console 9.2.1

All vulnerabilities documented in this article were resolved in Veeam Service Provider Console 9.2.1.33875. Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we operate a Vulnerability Disclosure...

"There is no FIB [summary.xml]" error with Veeam Cloud Connect v12.2

Updated Hotfix Release -- September 30, 2024 On 2024-09-30, a new revision to the hotfix package listed in this article was released. This updated hotfix file coincides with a repackaged release of the Veeam Backup & Replication 12.2 ISO dated 20240926, which integrates the new hotfix package...

Veeam PowerShell Command Fails With: "Unable to connect to the server with MFA-enabled user account."

Challenge When attempting to execute Veeam PowerShell commands, the following error occurs: Unable to connect to the server with MFA-enabled user account. Cause This error occurs when MFA Multi-Factor Authentication is enabled within Veeam Backup & Replication and the account you are logged in as...

Veeam PowerShell cmdlets to help Automate Backup Copy Backup Format Upgrade

This article provides information about using Veeam PowerShell to automate the procedure of upgrading Legacy Periodic Backup Copy jobs to use the new True Per-Machine backup format. These PowerShell commands can be used to simplify the Backup Chain Format upgrade process...

How to Apply Custom Settings in Veeam Backup for Microsoft 365 Using Set-VBOConfigurationParameter

Purpose This article explains how to use the Set-VBOConfigurationParameter cmdlet to apply a custom configuration setting within a Veeam Backup for Microsoft 365 deployment. Solution How the Scripts in This Article Are Used Every script in this article begins with the same three variables, which...

Release Information for Veeam Backup for Microsoft 365 8.4

More Recent Version Available Please find the latest version of Veeam Backup for Microsoft 365 here: Veeam Downloads - Latest Version Build Numbers and Versions of Veeam Backup for Microsoft 365 Requirements This release can be used to: upgrade an existing v7, v8, v8.1, v8.2, or v8.3 deployment o...

Failed to get guest OS path for newly attached disk there are 2 new disks with uuid

Challenge A backup job using a Linux-based VMware Backup Proxy fails with the error: Failed to get guest OS path for newly attached disk /.vmdk: there are 2 new disks with uuid Cause This error occurs when the Linux-based VMware Backup Proxy processing the virtual machine has multipath enabled...

Release Information for Veeam Backup & Replication 12 Cumulative Patches

This update was superseded by Veeam Backup & Replication 12.3. Release Information Below are details about the Cumulative Patches that have been released for Veeam Backup & Replication 12. Each subsequent Cumulative Patch also includes all fixes present in the previous Cumulative Patches. P202307...

CVE-2022-26500 | CVE-2022-26501

Challenge Multiple vulnerabilities CVE-2022-26500, CVE-2022-26501 in Veeam Backup & Replication allow executing malicious code remotely without authentication. This may lead to gaining control over the target system. Severity : Critical CVSS v3 score : 9.8 Cause The Veeam Distribution Service TCP...

OneDrive / SharePoint Backup Fails with "Error: Invalid MIME content-length header encountered on read."

Challenge A backup job for OneDrive or SharePoint items processed by Veeam Backup for Microsoft 365 fails when attempting to download certain item versions, displaying the following error: Invalid MIME content-length header encountered on read Cause The issue is related to the download process us...

Veeam ONE Web Client Page Fails to Load After Updating .NET Runtime Components

Veeam ONE 12.2 and 12.3 .NET Version Requirements Veeam ONE build 12.2 build 12.2.0.4093 and 12.3 build 12.3.0.4670 require and support only .NET 8.0. Note: All three component versions must match. ASP.NET Core Runtime 8.0.x Microsoft ASP.NET Core 8.0.x - Shared Framework x64 .NET Desktop Runtime...

Release Information for Veeam ONE 13.0.1 RTM Patch 0

Update Applicability This "Patch 0" update for Veeam ONE 13.0.1 is strictly intended for deployments using the RTM release build 13.0.1.5860. If Veeam ONE 13.0.1 GA build 13.0.1.5924 is installed, this update can be ignored as it is not needed. All resolved issues listed in this article were foun...

Veeam Operations Fail When the Backup Server Has Limited Internet Access

Article Applicability This article addresses an issue that may occur when using a Windows-based deployment of Veeam Backup & Replication v13, where the Veeam Backup Server or other Windows-based component servers are isolated from the internet or subject to significant firewall restrictions...

Build Numbers and Versions of Veeam Plug-In for oVirt KVM

This KB article lists all versions of the Veeam Plug-In for oVirt KVM and their respective appliance build numbers. Starting with Veeam Backup & Replication 12.3, the Release Notes for Veeam Plug-In for oVirt KVM , are included in the Veeam Backup & Replication Release Notes. Note: Prior to versi...

Veeam Agent backup job finished with "Collecting recovery media files Details: The system cannot find the file specified" warning

Challenge A Veeam Agent for Microsoft Windows backup job in Managed by backup server mode finishes with a warning: Collecting recovery media files Details: The system cannot find the file specified Cause Veeam Agent for Microsoft Windows runs the Recovery Media collection process at the end of th...

Veeam Agent – Windows recovery image file not found

This article includes steps that advise executing commands using Diskpart, which has no confirmation system to prevent mistakes. Failure to understand how to use Diskpart or typos may cause issues. Please take your time and double-check each command is correct for your environment before executin...

How to reinstall vSphere Web Client plug-in for Veeam Backup & Replication

Article Applicability This article is regarding the Local vSphere Client Plug-in only. Veeam Backup Enterprise Manager offers the following configurations of the vSphere Client plug-in: Local vSphere Client Plug-in -- For vSphere Client 7.0.0.x or earlier, the plug-in is installed locally on the...

Option to Install Veeam ONE Agent is Unavailable (Greyed Out)

Challenge When attempting to install the Veeam ONE Agent on a Veeam Backup Server, theInstall agent option is unavailable and greyed out. Cause There are several possible causes for this issue: The Veeam ONE Agent is already installed on the Veeam Backup & Replication Server. The Veeam ONE Server...