How to Test the Creation of Production Checkpoints in Hyper-V 2016 and Newer

Purpose This article documents how to force Hyper-V 2016 or newer to create a Production Checkpoint. Cause Forcing Hyper-V to create a Checkpoint in ProductionOnly mode is used as an isolation step when troubleshooting a Veeam job that fails to create a Recovery Checkpoint with Application-Aware...

How to Change Veeam ONE Web Client Port

Purpose This article documents the procedure for changing the port used by the Veeam ONE Web Client, which by default is 1239. Solution Desktop Shortcut Not Automatically Updated This procedure does not update the Veeam ONE Web Client shortcut on the desktop C:\Users\Public\Desktop. Part 1: Updat...

0x8004230F or Error: VSSControl: -2147212529 (VSS_E_UNEXPECTED_PROVIDER_ERROR)

Challenge A job fails with the error: Failed to prepare guest for hot backup. Error: VSSControl: -2147212529 Backup job failed. Discovery phase failed. Cannot add volumes to the snapshot set. Cannot add a volume to the snapshot set. Volume name: \?\Volume. Cannot add volume to the set of volumes...

Veeam Service Provider Console Vulnerability (CVE-2024-42448 | CVE-2024-42449)

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 Program VDP for all Veeam products and perform extensive internal code audits. When a vulnerability is...

"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...

How to Manually Update Suspicious File List

Intended Audience This article is intended for Windows-based Veeam Backup & Replication deployments where the software cannot access the internet to automatically update the SuspiciousFiles.xml file used by the Veeam Data Analyzer Service. In environments where the Veeam Backup Server can access...

Upgrading the SQL Database Engine Software (Microsoft SQL Server or PostgreSQL) Used by Veeam Backup & Replication

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

SQL Express Maximum Database Size Limitation for Veeam Backup & Replication

Veeam Backup & Replication 12 Feature Starting with Veeam Backup & Replication 12, all new deployments will use PostgreSQL as the default database engine to host the configuration database. PostgreSQL does not have the limitations discussed in this article. Existing deployments upgraded from Veea...

List of Security Fixes and Improvements in Veeam Agent for Microsoft Windows

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Agent for Microsoft Windows. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases to he...

Veeam Intelligent Diagnostics signature UID field

If you are not using Veeam ONE or your Veeam ONE server is not connected and monitoring Veeam Backup & Replication, you will not have a VID to enter during case creation. Simply leave the field blank. Purpose This article provides answers to frequently asked questions about the "Veeam Intelligent...

Veeam Recovery Media creating fails with "This access control list is not in canonical form and therefore cannot be modified" error

Challenge During a Veeam Agent for Microsoft Windows backup job the following warning occurs: Collecting recovery media files Details: This access control list is not in canonical form and therefore cannot be modified. Copy The warning may appear in the following cases: Veeam Recovery Media is...

Job reports warning "Failed to truncate transaction logs for SQL instances: Possible reasons: lack of permissions, or transaction log corruption."

Challenge Backup Job with Application-Aware Processing enabled and configured to "process transaction logs" displays the warning: Failed to truncate Microsoft SQL Server transaction logs. Details: Failed to process 'TruncateSQLLog' command. Failed to truncate SQL server transaction logs for...

Failed to install Veeam Analytics Service. Failed to establish connection between the Veeam ONE server and Veeam Analytics service. Operation timed out: 10

Challenge After upgrading Veeam ONE to version 13.0.x, the Veeam Analytics Service installation fails with the following error: Failed to install Veeam Analytics Service. Failed to establish connection between the Veeam ONE server and Veeam Analytics service. Operation timed out: 10. The failure...

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...

How to Manually Change the VSA Host Management Certificate

Purpose This article documents the procedure for updating the Host Management Certificate used by the VSA Veeam Software Appliance. Note: The ability to update the certificate via the VSA Host Management Console may be added in a future version; however, as of version 13.0, it must be completed b...

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 3 Releases Veeam Plug-in for Scale Computing HyperCore 3.1...

How to Upgrade the NATS Server Used by Veeam Backup for Microsoft 365

Purpose This article provides information about upgrading the NATS Server used by Veeam Backup for Microsoft 365. NATS Server Version Impact It is recommended that customers use the latest supported version of NATS Server with Veeam Backup for Microsoft 365 to avoid any potential performance...

Veeam Recovery Orchestrator Vulnerability (CVE-2024-29855)

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 Program VDP for all Veeam products and perform extensive internal code audits. When a vulnerability is...

Veeam Agent for Microsoft Windows Vulnerability (CVE-2024-29853)

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 Program VDP for all Veeam products and perform extensive internal code audits. When a vulnerability is...

Veeam Recovery Orchestrator Vulnerability ( CVE-2024-22021 |  CVE-2024-22022 )

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 Program VDP for all Veeam products and perform extensive internal code audits. When a vulnerability is...

Exchange Backup Fails With: "There is an error in XML document"

Challenge Starting on December 11th, 2023, Exchange backup within Veeam Backup for Microsoft 365 fails with the following errors: There is an error in XML document and The specified type was not recognized: name='SharingMessage' Cause Veeam has observed that there have been changes to the structu...

exFAT Filesystem May Corrupt Veeam Backup Files

Challenge Testing performed in Veeam labs has determined that, in rare cases, Veeam backups may become corrupted when stored on the exFAT file system. Cause The issue appears to be related to a buffer management issue in the exFAT file system driver. There are no similar issues on other, more...

How to Move Veeam Backup for Microsoft 365 to a New Server

Purpose This article documents the procedure for moving resources assigned to a Veeam Backup for Microsoft 365 server installation to a new Veeam Backup for Microsoft 365 server. At this time, there is no way to export the configuration of Veeam Backup for Microsoft 365. As such,all organizations...

Veeam Agent for Microsoft Windows deployment fails with “Failed to call RPC function 'PckgCheckSignature'

Challenge When adding a computer to a protection group, the Veeam Agent for Microsoft Windows deployment begins and then fails with the following error: Info UploadManager Checking windows package 'C:\ProgramData\Veeam\Agents\VAW\VeeamB&REndpointx64.msi' signature on host 'HOSTNAME' Error Failed ...

Backup and Replication jobs fail with the following error: "CDeviceBase: resize is not supported. Failed to download disk"

Challenge Backup and Replication jobs fail with the following error: "CDeviceBase: resize is not supported. Failed to download disk". The following conditions must be met: 1. Veeam 8 Update 2 8.0.0.2021 or later 2. Backed up VM is running on ESXi 5.5 or later 3. Hot Add transport mode is used 4. ...

Operation was canceled by user

Challenge Job fails with error message: Error Operation was canceled by user Cause The two main causes of this error are: 1. A backup window has been configured within the job. 2. The user canceled the job. Solution If the issue was caused by a backup window, please reconfigure the backup window...

CreateSnapshot failed, the operation is not allowed in the current state

Challenge A task fails for a vSphere Virtual Machine that is being processed by Veeam Backup & Replication with the error: Error: The operation is not allowed in the current state. A related error can be seen in the vSphere Client for the VM: This error may occur during any job in which Veeam...

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...

Release Information for Veeam Backup for Microsoft 365 7a Cumulative Patches

Requirements This Cumulative Patch can be used to: update manually from a previous Veeam Backup for Microsoft 365 7a release to the latest Cumulative Patch. upgrade an existing pre-7a Veeam Backup for Microsoft 365 server to Veeam Backup for Microsoft 365 7a with the latest Cumulative Patch...

StoreOnce and Veeam Immutability Compatibility

Challenge A backup job that targets an HPE StoreOnce Catalyst repository may display either of the following messages: In Veeam Backup & Replication 12.0, the job will fail and display the error: OSCLTERRIMMUTABLEEPOCHREQUESTEXCEEDSMAXIMUM. Err: -1817 In Veeam Backup & Replication 12.1, the job...

How to Activate Access to Microsoft Graph Teams Export APIs

Preliminary Action This article documents how to configure your app registration to access the Microsoft Graph Export API for Teams, which is necessary to enable Veeam Backup for Microsoft 365 6a and newer to protect Teams public channel posts. Once the Teams Protected APIs are accessible and Vee...

Repository 'Used Space' Value Greater Than 'Capacity'

Challenge A Repository listed under Backup Infrastructure Backup Repositories has a 'Used Space' value that is greater than the 'Capacity' of the storage. Cause This occurs when repositories are backed by storage that has the ability to reduce the space used by restore points, like deduplication...

Credentials Test or Job Fails when attempt to use VIX

Challenge When using Veeam Backup & Replication with a VMware environment the following error may be seen when using the Guest Credentials Test or when processing a VM that is in a DMZ or Isolated environment. Failed to prepare guest for hot backup. Error: Failed to connect to guest agent. Errors...

VSSControl: -2147024784 / 0x80070070: There is not enough space on disk

Challenge A job with Guest Processing enabled fails with either: VSSControl: -2147024784 Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. Cannot prepare the Exchange server data to a subsequent restore operation. Cannot store backup/restore manifest. Serial...

How to use Azure Database for PostgreSQL with Veeam Backup for Microsoft 365

Purpose This article documents how to utilize Azure Database for PostgreSQL to host the Veeam Backup for Microsoft 365 v8 or higher configuration database. Solution After deploying Azure Database for PostgreSQL, additional steps must be performed to ensure it can be utilized by Veeam Backup for...

List of Security Fixes and Improvements in Veeam Agent for Linux

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Agent for Linux. The goal of this article is to provide our customers' security and compliance teams with the detailed information on security improvements between releases, in...

VMware vCenter Server rescan failed with “Could not create SSL/TLS secure channel” error

Article Applicability This article is relevant only to Veeam Backup & Replication 12.x and older because it is strictly related to an issue that affects Windows OSes that were dropped from support starting in Veeam Backup & Replication 13. This article is related only to issues that occur when...

The process cannot access the file because it is being used by another process

Antivirus Interference Antivirus software can cause access issues similar to those documented in this article. Such interference often occurs when security software detects a Veeam process attempting to access a file and simultaneously locks the file for inspection, coinciding with the Veeam...

How to reset vSphere Virtual Machine CBT

Purpose This document provides details for resetting the CBT Changed Block Tracking of a vSphere VM. The Veeam Backup & Replication may display the following message: CBT data is invalid, failing over to legacy incremental backup. No action is required, next job run should start using CBT again. ...

Release Information for Veeam ONE 13 and Updates

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...

"Failed to connect to the database." Updater Configuration Check

Challenge When updating Veeam Backup & Replication the Configuration Check fails with either: Failed to connect to PostgreSQL server localhost:5432. An existing connection was forcibly closed by the remote host SSPI authentication failed for user Cause The account being used to run the update...

Licensing Requirement Changes in Veeam Recovery Orchestrator 7

Article Applicability The license changes detailed in this article do not affect Veeam Cloud Service Providers due to how rental licenses are generated, operated, and supported. Summary Due to enhanced integrations and architectural changes across the Veeam Data Platform, there are new license...

Veeam Recovery Media for Linux OS, Workarounds

This article documents rare issues that may be experienced when using the Veeam Recovery Media for Linux OSs and workarounds for them. Veeam Recovery Media fails to boot from a USB flash drive created with third-party ISO flashing software. Challenge A Linux machine cannot boot the Veeam Recovery...

Managed Veeam Agent backup job fails with "Unknown invoker method: 2757" error

A Veeam Agent backup job managed by the backup server fails with the following error: Failed to start backup job Error: Unknown invoker method: 2757...

How to Re-create the configuration database for Veeam Agent for Microsoft Windows

Resetting the configuration database will reset all Veeam Agent for Microsoft Windows settings, removing existing job settings and related job history. Restore points created before the reset will not be removed and will remain recoverable; however, as their job will have been removed, they will...

Support Statement — Exchange Web Services (EWS) Deprecation

Challenge Microsoft has announced the deprecation of Exchange Web Services EWS in Exchange Online, with the initial phase-out target of October 1, 2026. Veeam Backup for Microsoft 365 and Veeam Data Cloud for Microsoft 365 currently leverage EWS for Exchange Online backup functionality. Note: Thi...

Vulnerabilities Resolved in Veeam Backup & Replication 13.0.1.2067

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 13.0.1.2067. 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 Program...

How to Set Custom VLAN ID in Recovery Media

Purpose This article documents how to configure the Veeam Agent for Microsoft Windows Recovery Media to use a specific VLAN ID. Use Case: You need to access a repository located in a different VLAN than the original machine was using. Solution Because the Recovery Media is based on WinPE, which...

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...

Scale-Out Backup Repository Offload task fails with "There is not enough space on the disk"

Article Applicability This KB Article is specific to an issue where a SOBR Offload task fails with an error reporting that "There is not enough space on the disk " and the path specified in the error contains 'VeeamBackupTemp '. Challenge Scale-Out Backup Repository's Offload task fails with erro...