Veeam Backup Enterprise Manager Vulnerability (CVE-2024-40715)

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...

How to Enable Extended Logging of SPNs Used During Connections

Veeam Backup & Replication 12 Feature This article is regarding a feature available starting in Veeam Backup & Replication 12. Purpose This article documents how to enable the logging of Service Principal Names SPNs used during Kereberos-based connections. Use Case When troubleshooting Kerberos...

Job to the Linux Repository Fails with "No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500"

Challenge When multiple tasks are attempting to use the same Linux repository simultaneously, some connections may fail with the error: No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500. The port shown in the error is a data transmission port, and may be...

VM Disk Labels Out of Order After Restore

Challenge After Instant VM Recovery or Full VM Restore, a VMware VM appears to have been restored with its disks out of order. However, the disk files are each associated with the correct SCSI, IDE, or SATA disk IDs, disks are not out of order within the VM guest OS, and the VM otherwise function...

How to Export SQL Logs

Purpose This article documents how to export logs from the two SQL database engines used by Veeam Backup & Replication: Microsoft SQL Server PostgreSQL Solution Microsoft SQL Server Log Collection The following steps require Microsoft SQL Server Management Studio SSMS. 1. Open Microsoft SQL Serve...

How to Migrate the Veeam ONE Database

Article Applicability This article is specifically about relocating the Veeam ONE database to a different Microsoft SQL Server Instance and the Veeam ONE deployment remaining on the same machine. For information about relocating the Veeam ONE deployment, review: KB1801: How to Migrate Veeam ONE...

Win32 error: The network path was not found. Code 53

Challenge A server processed by a job fails with the following error: Error: Failed to connect to guest agent. Errors: 'Cannot connect to the host's administrative share. Host: . Account: .... Win32 error:The network path was not found. Code: 53 Cannot connect to the host's administrative share...

Windows 11 24H2 | Server 2025 - Recovery Media Issue

Issue Resolved in May 13 2025 Windows Update KB5058411 The underlying issue causing recovery media to have the problems documented in this article was resolved in Microsoft Update KB5058411 for Windows 11 and Server 2025. After applying the update, the recovery media must be recreated. Challenge...

Release Information for Veeam Backup for Microsoft 365 8.1 and Cumulative Patches

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: update manually from a previous Veeam Backup for Microsoft 3...

Release History for Veeam Service Provider Console 8.1

Newer Product Version Available A complete list of Veeam Service Provider Console versions and their release dates is available on KB4464: Build Numbers and Versions of Veeam Service Provider Console. Veeam Service Provider Console 8.1 Builds 8.1.0.21999 Security Vulnerabilities CVE- 2024-42448 |...

"HTTP protocol is not supported, please use HTTPS." Error When Adding Object Storage

Challenge When attempting to add an S3-compatible Object Storage Repository, the wizard displays the error: HTTP protocol is not supported, please use HTTPS. If the service point is then modified to change to HTTPS, the wizard then displays the error: Failed to retrieve certificate from...

Veeam Agent for Microsoft Windows Built-In Case Creation fails with "The request was aborted: Could not create SSL/TLS secure channel"

Article Applicability This article is regarding an issue that impacts Veeam Agent for Microsoft Windows build 5.0.0.4301 or older, and was fixed in build 5.0.1.4584. Challenge When attempting to open a support case using the Technical Support button within the Veeam Agent for Microsoft Windows...

After Enabling MFA, Veeam Backup Server Is Listed as Inaccessible in Veeam Service Provider Console

Challenge After enabling multi-factor authentication MFA in Veeam Backup & Replication or Veeam Cloud Connect, that server may become listed as "inaccessible" within Veeam Service Provider Console yet the Veeam Management Agent for VSPC continues to display a "healthy" status. Cause When MFA is...

How to manually collect recovery media logs for Veeam Agent for Linux

Challenge You cannot collect recovery media logs for Veeam Agent for Linux from the repository. In such a case, you can still manually collect recovery media logs from the Linux machine where the bare-metal restore is performed. Cause If the bare-metal restore is not completed, the recovery media...

Unable to exclude files from snapshot: Shadow Copy Optimization Writer timed out

Challenge A Veeam Agent for Microsoft Windows backup job configured to operate in file-level backup mode with an entire volume selected and individual folders excluded, may fail with the error shown below. Unable to exclude files from snapshot: Shadow Copy Optimization Writer timed out. Cause The...

Using the Diskshadow Utility to Manually Test VSS Operations

Windows Server Required This article documents how to use Diskshadow , which is only available in Server versions of Windows 2008+. Purpose This article documents how to manually create a volume shadow copy using the Diskshadow command-line utility in Windows. Cause Veeam products use the Microso...

How to Create a Custom SureBackup Test Script

Purpose This article provides information about creating custom SureBackup roles and scripts which can be used to enhance SureBackup testing. Solution Information regarding custom SureBackup roles can be found here: https://helpcenter.veeam.com/docs/backup/vsphere/creatingxmlfiles.html Informatio...

Failed to start client agent on the host

Backup job fails with the error: 'Failed to start client agent on the host '...', Timeout to start agent'...

Veeam Backup & Replication Platform Migration Guide (Windows to Linux)

Article Applicability This article is related to a new capability to migrate the configuration of a Windows-based Veeam Backup & Replication deployment to a Veeam Software Appliance. Due to the variability in how Veeam Backup & Replication can be used, configured, and deployed, and the complexity...

Vulnerabilities Resolved in Veeam Backup & Replication 12.3.2.4165 Patch

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 12.3.2.4165 Patch. 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...

Uninstall or Upgrade of Veeam Agent for Microsoft Windows Fails Due to Missing MSI

Challenge When attempting to uninstall or upgrade Veeam Agent for Microsoft Windows , the Windows dialog box appears stating: The feature you are trying to use is on a network resource that is unavailable. Click OK to try again, or enter an alternate path to a folder containing the installation...

How to use Veeam Backup for Nutanix AHV/Veeam Backup for Red Hat Virtualization Proxy with Internal CA Certificates

Article Applicability The need to perform the procedures documented in this article has been eliminated through improvements to how certificates are handled, starting in the following versions: Veeam Backup for Nutanix AHV 5 Veeam Backup for Oracle Linux Virtualization Manager and Red Hat...

Error When Adding Veeam Backup for Microsoft 365 to Veeam ONE

Challenge When attempting to add Veeam Backup for Microsoft 365 to Veeam ONE, either of the following error occurs: Failed to connect to "localhost".404 Not Found Failed to add the Veeam Backup for Microsoft 365 server. The server version is not supported. Cause Both errors occur for the same...

How to enable "Restore to Azure" Generation 2 VM Support

Feature Change in Veeam Backup & Replication 12.1 and higher Starting in Veeam Backup & Replication 12.1, the setting AzureEnableGeneration2VMRestore is now hard-coded to true. This change enables the restore to Microsoft Azure to generate Generation 2 VMsby default. Purpose This article document...

How to configure Email Notifications when using Gmail or Google Apps Mail in Veeam ONE

Challenge You need to configure email notifications to be sent to a Gmail or Google Apps Mail account in Veeam ONE. Cause Use of port 587 is required for TLS when communicating with Gmail or Google Apps Mail. Solution Set the Port to 587 in Veeam ONE console Options Server Settings SMTP Settings...

Veeam ONE Database Calculator for Virtual Infrastructure and Veeam Backup & Replication Monitoring

New Interactive Calculator An updated interactive calculator is now available to replace the legacy Excel file included with this article. Veeam ONE Calculator Solution Summary This Veeam ONE database sizing calculator will help estimate the database size required to retain one year of historical...

Backup job reports Unfreeze Error (Over VIX)

Challenge Backup job returns an error: Unfreeze error over VIX: Backup job failed. Running vssadmin list writers command within the guest may result in: Non-Retryable error for Volume Shadow Copy Service VSS of the Microsoft Exchange Replication service Cause This issue is Microsoft-related and...

SureBackup fails: Failed to call RPC function - Access is Denied

Challenge When the Veeam vPower NFS Service on the Mount Server used by the SureBackup job is set to use any account other than Local SystemThe default configuration is for the Veeam vPower NFS Service to "Log On As" the 'Local System' account., and that account is not a member of the Local...

Release History for Veeam ONE version 12

Veeam ONE v12 Releases 12.3.0.4670 2024-12-03 Release Notes What's New Download Veeam ONE 12.3.0.4670 12.2.0.4093 2024-08-28 Release Notes What's New Download Veeam ONE 12.2.0.4093 12.1.0.3208 2023-12-05 Release Notes What's New User Guide Archive Download Veeam ONE 12.1.0.3208 12.0.1.2591...

How to Configure PXE Booting of Veeam Agent for Linux Recovery Media

Veeam Agent for Linux Version Requirement Starting with Veeam Agent for Linux 6.1.2, the Veeam Recovery Media is designed to be capable of use in PXE booting.veeam-recovery iso released after 22-May-2024 Purpose This article documents how to configure Linux to PXE boot the Veeam Agent for Linux...

How to Change Veeam Service Provider Console UI Language

Veeam Service Provider Console 9.1 Integrated Feature Starting with Veeam Service Provider Console 9.1, the ability to assign and customize the Portal Language is now an integrated feature able to be configured via the Web UI: Veeam Service Provider Console 9.1 - Configuring Portal Language Artic...

Increase in API Calls when Performing Direct Backups to Immutable Object Storage

Article Applicability This article was created to address high API usage observed with Veeam Backup & Replication 12.x. Starting in Veeam Backup & Replication 13, improvements were made to the handling of immutability-related API calls, which will significantly reduce the number of API calls that...

VMware Cloud Director 10.4 Compatibility Patches

Hotfix for Veeam Backup & Replication 11.0.1.1261 P20230227 The hotfix on this article has been rebuilt as of 2023-11-24 to be compatible only with Veeam Backup & Replication build 11.0.1.1261 P20230227. This is the second such rebuild; the last rebuild was on 2023-03-16. Note: If an older versio...

Build Numbers and Versions of Veeam Plug-in for Nutanix AHV

This KB article lists all versions of the Veeam Plug-in for Nutanix AHV and their respective appliance build numbers. Starting with Veeam Backup & Replication 12.3.1, the Release Notes for Veeam Plug-in for Nutanix AHV , are included in the Veeam Backup & Replication Release Notes. Note: Prior to...

“Failed to resolve team (ID: , name: ): Organization (ID: ) which the team (ID: ) belongs to not found” when performing Microsoft Teams backup

Update:January 2024 There have been several reported instances where, under specific circumstances, the issue discussed in this article has occurred while running Veeam Backup for Microsoft 365 6.x. All customers are encouraged to upgrade to the latest version of Veeam Backup for Microsoft 365 at...

How to Attach Files to a Veeam Support Case

Purpose This article documents how to attach files to a Veeam Support case. Methods Below are the two methods portal or SFTP used to attach files to a support case. Expand a section to learn more. Attach files to the Support case via the My Account portal. 1. Sign In to the My Account portal. 2...

How to configure antivirus configuration XML file for secure restore

Challenge The article provides information on adding additional antivirus options to Veeam Backup & Replication Secure Restore. NOTE : When adding an antivirus that is not already predefined, you may need to contact the antivirus vendor for assistance to gather the required attributes and exit...

How to Create Secure IAM Policy for Connection to S3 Object Storage

Article Applicability This KB article is relevant only to Veeam Backup & Replication 12.0.x and older. Starting with Veeam Backup & Replication 12.1 released in December 2023, permissions requirements are now documented within the product user guide: Veeam Backup & Replication - Amazon S3 Object...

Antivirus Exclusions for Veeam Backup for Microsoft 365

Purpose This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam Backup for Microsoft 365. These antivirus exclusions may be applied to the Windows built-in antivirus or third-party antivirus software. Note:...

Cloud Connect replication fails with "The following hosts are incompatible with the target host"

Challenge An attempt to start or create a Cloud Connect replication job fails with the error message: " The following hosts are incompatible with the target host". Cause The following scenarios are known to cause the issue: 1. Tenant's Veeam installation had been updated to the latest version 9.5...

Configuring a SQL staging server to a Veeam Explorer gives “error: 25”

Challenge When configuring a staging SQL server for Veeam Explorers, the following error appears when a malformed server name is provided: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify th...

How to Use SFTP With Multi-OS FLR

New Feature for Improve Restore Performance Starting in Veeam Backup & Replication 11, when performing a Multi-OS File Level Restore Linux FLR, it is now possible to select an existing Linux machine to act as the helper appliance where the backup files will be mounted to retrieve files. This now...

VSS Errors Related to the 'NTDS' VSS Writer

Challenge This article discusses an error that occurs due to VSS and Veeam's Guest Processing technique for Domain Controllers. It is relevant to all backup jobs for both virtual and physical Domain Controllers. A job processing a Domain Controller with Application-Aware Processing fails with one...

How to Install, Change, or Remove the Veeam ONE License

Purpose This article documents how to manually install, change, or remove a license for Veeam ONE. Solution Install License 1. Open Veeam ONE Client. 2. Click the Main Menu ≡ in the top-left corner. 3. Click License. 4. In the dialog window that appears, click Install License. 5. Using the file...

VDDK Error 3 Troubleshooting

Challenge A Backup or Replication job fails with an error containing 'VDDK error: 3 ' This most often occurs when forcing aVMware Backup Proxy to use 'Virtual Appliance' transport mode and disabling the 'Failover to network mode' option. Cause The most common scenario is that the disks of the VM...

Appliance Mode (Hotadd) Requirements and Troubleshooting

Requirements Virtual Appliance HOTADD Requirements and Limitations Requirements for Backup and Restore of Encrypted VMs Known Issues If the VM disk resides on a vVol, the Veeam VMware Backup Proxy's VM configuration file vmx must be on the same vVol. The Veeam VMware Backup Proxy VM must be locat...

Hyper-V Resilient Change Tracking Performance Issues

Challenge General Hyper-V OS performance degradation can occur when using a backup solution to export Hyper-V VM snapshots during backup operations. Solution Based on investigations between Veeam and Microsoft, two underlying causes have been identified. Resilient Change Tracking Resilient Change...

"Database connection settings for the Microsoft Entra ID backup repository cannot be found."

If you are encountering this error after recently upgrading to Veeam Backup & Replication 12.3, and that upgrade failed on the first attempt, and you attempted the upgrade a second time, please review the section discussing "For Customers Who Ran the Upgrade a Second Time and It Succeeded" on...

Minimum supported OS version for Veeam VSS Hardware Provider is Microsoft Server 2012 (64-bit only).

Challenge An attempt to rescan, upgrade, or update the Veeam Backup Server fails with the error: Minimum supported OS version for Veeam VSS Hardware Provider is Microsoft Server 2012 64-bit only. Cause This issue occurs because an entry in the Configuration Database causes the Veeam Backup &...

How to Collect Process Dumps and Logs

Article Applicability This article was created to complement KB1727 and provide customers with specific instructions to collect information that will: Help Veam Support identify if the job or task is actually stuck or if it is working on something in the background. Help the Development team...