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...

Release Information for Veeam ONE 12 Cumulative Patches

This update was superseded by Veeam ONE 12.1. Requirements This Cumulative Patch can be used to: update from a previous Veeam ONE 12 release to the latest Cumulative Patch. upgrade an existing pre-12 Veeam ONEVeeam ONE 10a 10.0.2.1094 Veeam ONE 11 11.0.0.1379 Veeam ONE 11a 11.0.1.1880 server to...

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...

Build Numbers and Versions of Veeam Recovery Orchestrator

This KB article lists all versions of Veeam Recovery Orchestrator and their respective build numbers. For more information on downloading the latest version of Veeam Recovery Orchestrator, visit: My Account Portal - Product Downloads Latest Downloads Page What's New in Veeam Recovery Orchestrator...

“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 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...

Veeam Service Provider Console – Compile and Upload Management Agent Logs

Challenge This article covers how to Management Agent logs for both client agents and the Cloud Connect agent. Solution Export Management Agent Logs To export Veeam Service Provider Console Management Agent logs for one or more client agents, please: 1. Log into the Veeam Service Provider Console...

Tape job fails with “The specified network resource or device is no longer available” or “The system cannot find the file specified. Problem with CreateFile in '\\.\Tape0'”

Challenge Tape job fails with the following error messages: The system cannot find the file specified. Problem with CreateFile in '\.\Tape0'. The system cannot find the file specified. The system cannot find the path specified. The specified network name is no longer available. Copy Cause The...

Not All Privileges are Assigned to Caller error during upgrade/install

Challenge When upgrading, the installer encounters the following error message which prevents it from proceeding: "Not all privileges or groups referenced are assigned to the caller" Affected Application Installers Veeam Backup & Replication Veeam Backup Enterprise Manager Veeam ONE Veeam Recover...

Recovery Media Creation and Servers with Cluster Shared Volumes

Challenge The Windows Agent Backup job for a failover cluster node with a cluster shared volume displays the following notice: Skipping recovery media collection: cluster contains CSV disks Attempting to create recovery media manually using the Recovery Media Creator on the failover cluster node...

Veeam Backup & Replication fails to connect to Linux server with an error about negotiation

Challenge When attempting to add a managed Linux server or edit a Linux repository one of the following errors occurs: Negotiation failed. The client and the server have no common key exchange algorithm. Copy Negotiation failed. The client and the server have no common encryption algorithm. Copy...

Release Notes for Veeam ONE 8.0 Update 2

Challenge Release Notes for Veeam ONE 8.0 Update 2. Cause Please confirm you are running Veeam ONE 8 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client, the build number should be 8.0.0.xxx. After upgrading, your version build will be 8.0.0.1669. Th...

How to Collect Logs for Veeam ONE

Purpose This article documents the process for gathering diagnostic logging from Veeam ONE. Solution Part 1: Collecting Veeam ONE Application Logs 1. Open the Veeam ONE Settings Utility Run: C:\Program Files\Common Files\Veeam\Veeam ONE Settings\VeeamOneSettings.exe 2. In the lower-left corner,...

How to Manually Repair a VMware Replica created by Veeam

The actions documented in this article should never be performed on a production virtual machine VM , as they intentionally lead to the VM losing data. That data loss is only acceptable with a Veeam replica, because the replica will be repaired and brought back up-to-date when the next replicatio...

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,...

"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...

Repeat Email Notification: "License update interrupted: Paid license is not installed."

Challenge After installing or upgrading to Veeam Backup for Microsoft 365 version 8 using Community Edition or an NFR Not-For-Resale license, email notifications are sent daily that state that state: Veeam Backup for Microsoft 365 Failed to update license License updated interrupted: Paid license...

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...

Adding Linux Server Without Elevation: "Installing Installer service Error"

Challenge When adding a Linux Server to Veeam Backup & Replication using a non-root account and not enabling the "Elevate account privileges automatically" option, the following error is shown: RPM-based Linux distributions Installing Installer service Error: Error: error: can't create transactio...

CANNOT_EXECUTE_FLOW_TRIGGER. You or your organization has exceeded the maximum limit for this feature.

Challenge When performing a restore involving multiple records, one or more records fail to be restored with the following Salesforce error message: CANNOTEXECUTEFLOWTRIGGER. You or your organization has exceeded the maximum limit for this feature. Error ID: XXX-XXX XXX organization has exceeded...

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...

Veeam Install Error - "Selected ... port is not available."

Challenge During the initial installation of Veeam applications, the install wizard has a page where service ports may be specified. When moving to the next page of the install wizard, an error may be displayed regarding a Selected port not being available. Expand each Veeam product name below fo...

Veeam Support for Azure Local

Azure Local is the new name for Azure Stack HCI Azure Stack HCI is now considered part of Azure Local. Learn more about this rename in the Microsoft Documentation: Renaming Azure Stack HCI to Azure Local. Purpose This article documents support for backup, restore, and replication of virtual machi...

“The default account is not initialized” error is displayed when adding an IAM role to Veeam Backup for AWS

Challenge The Default Backup Restore IAM role is not created upon the Veeam Backup for AWS installation. Attempts to add IAM roles to Veeam Backup for AWS in the Add Account wizard fail with the error: The default account is not initialized Cause The backup server cannot access the required AWS...

Zip Slip Vulnerability

Challenge Veeam is aware of the Zip Slip Vulnerability, which affects jobs with the guest file system indexing option enabled. Zip Slip is an arbitrary file overwrite vulnerability in multiple ZIP decompression algorithm implementations that affects thousands of software products across many...

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...

Removing Stuck VMDK From the Veeam Proxy

Challenge A virtual machine VM processed with Veeam Backup & Replication VBR has a warning that consolidation is required, but consolidation attempts fail. or A VM that VBR processed is found to have one or more orphaned snapshots a snapshot that is attached to the VM but does not show up in the...

User authentication failed

When adding an ESX server to Veeam Backup and Replication console and specifying SSH Connection Settings the error message pops up: "Failed to login to "servername" by SSH, port 22, user "user", elevateToRoot False, autoSudo False User authentication failed...

How to Identify and Repair Files That Cannot Be Opened After Restore

Purpose This article provides steps to identify and repair SharePoint, OneDrive, Teams files, and list attachments that were backed up with corrupted content due to the issue described in KB4835. Note: These instructions apply only to non-immutable object storage repositories that contain backups...

List of Security Fixes and Improvements in Veeam ONE

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam ONE. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases to help them make an informed...

Release Information for Veeam Backup for Microsoft 365 8.2 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...

How to Configure WDS to PXE Boot Veeam Agent for Microsoft Windows Recovery Media

Purpose This article documents a method to configure Windows Deployment Services WDS to PXE boot the Veeam Agent for Microsoft Windows Recovery Media over a network. Solution General Guidance Disclaimer The information provided below is intended only as general guidance. The method and...

Task fails with "Repository is not compatible with Catalyst Store with fixed block setting enabled"

Challenge A Veeam Backup & Replication job targeting a StoreOnce Repository backed by a Catalyst Store that has Fixed Block Chunking enabled fails with either of the following errors: Repository is not compatible with Catalyst Store with fixed block setting enabled Error:...

Case Administrator Creation Fails with: "It is not allowed to add a Case Administrator role to License Administrators, only to additional users"

Challenge When attempting to finalize the creation of a Case Administrator within the Veeam My Account Portal, the following error occurs: It is not allowed to add a Case Administrator role to License Administrators, only to additional users Cause This error occurs when the email you are attempti...

Using Restore to Microsoft Azure with ExpressRoute or site-to-site VPN connectivity to Azure

Challenge You may use Restore to Microsoft Azure for environments with ExpressRoute or site-to-site VPN connectivity to Azure. When using Azure Restore Proxy Appliance and helper appliances to perform the restore, they must have private IP addresses only. Solution Starting with Veeam Backup &...

Veeam Agent for Microsoft Windows Job Displays the Warning: "Disk is running low on free space"

Challenge A Veeam Agent for Microsoft Windows backup job lists the warning: Disk is running low on free space Copy Log Example C:\ProgramData\Veeam\Endpoint\jobname \Job.jobname.Backup.log Info EpFreeSpaceHelper Volume 'New Volume D:', isSystem=False length is 10718543872 bytes. Free space...

Notification Emails From Veeam Backup for Microsoft 365 Are Sent in an Unexpected Language

Challenge Email notifications sent by Veeam Backup for Microsoft 365 unexpectedly contain Chinese characters. Cause The issue is caused by an encoding conflict. By default, Veeam Backup for Microsoft 365 uses UTF-16 character encoding, and the problem appears under the following circumstances: Us...

Installer Error: "This installation cannot be updated automatically." or "Unable to proceed with the setup"

Challenge When attempting to update Veeam software, the following error occurs: This installation cannot be updated automatically. Please contact Veeam customer support for assistance with manual update. Alternatively, the following error occurs: An error has occurred: Unable to proceed with the...

Troubleshooting Signature-Based Firewalls

Challenge Summary Data transfer is failing across a connection that is protected by an advanced firewall. The firewall uses signature-based detection. Relevant features may have names like antivirus, anti-spyware, intrusion prevention, or application control. Reported Firewalls This may affect an...

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...

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...

Antivirus Exclusions for Veeam ONE

Purpose This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam ONE. These antivirus exclusions may be applied to the Windows built-in antivirus or third-party antivirus software. Note: Antivirus will not alway...

Veeam Backup Temporary Snapshot

Challenge A snapshot named VEEAM BACKUP TEMPORARY SNAPSHOT is found on a VMware Virtual Machine. Cause As detailed in the Veeam Backup & Replication User Guide, a snapshot is created on a VM that is being processed by a Veeam job. This creation of this snapshot causes the VM's base disks to be in...

Veeam Explorer for Microsoft Exchange: Could not establish trust relationship for the SSL/TLS secure channel

Challenge When restoring items with Veeam Explorer for Microsoft Exchange or sending them as attachments, the following error occurs: The request failed. The underlying connection was closed: could not establish trust relationship for the SSL/TLS secure channel Cause There are two possible causes...

How to manually test hotadd functionality

Purpose This article documents the procedure for manually performing hotadd to test whether a Veeam Backup Proxy can attach a VM's base disks. Solution Requirements and Limitations Before testing, review Virtual Appliance HOTADD Requirements and Limitations Review KB1054:Appliance Mode Hotadd...

Build Numbers and Versions of Veeam Plug-In for HPE Morpheus VM Essentials

This KB article lists all versions of the Veeam Plug-in for HPE Morpheus VM Essentials and their respective worker build numbers. Version | Plug-In / Worker Build | Release Date ---|---|--- Veeam Plug-in for HPE Morpheus VM Essentials 2 Releases Veeam Plug-in for HPE Morpheus VM Essentials 2.0...

PostgreSQL and PgBouncer Sizing and Configuration Guide

Challenge Jobs or tasks in Veeam Backup for Microsoft 365 fail with the error: Error: EFCoreLogging: An error occurred using the connection to database 'cache2331ace3-eff1-4ebb-b328-0cb948b2f5c5' on server 'tcp://vb365.domain.tld:6432'. Cause These connection errors can occur in larger environmen...

CVE-2025-23114

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...

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...

NAS Backup to Tape and FLR fails with "Invalid ACL data"

Challenge A File to Tape Backup job e.g., SMB Share to Tape, NFS Share to Tape, or File Server to Tape or a File Restore from Tape fails with the error: Error Invalid ACL data. Error: Unable to find ObjectVersion in cache for the file. File path: X Other symptoms include: A failing file enumerati...