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:...

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 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...

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. ...

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...

Replication Job Failure - Error "A general system error occurred: @&!*@*@(msg.fileio.generic)"

Challenge A replication job fails to run and fails with the following error message reported: A general system error occurred: @&!@@msg.fileio.generic Cause This message is most often caused by the destination datastore being low on space. Solution To resolve: 1. Manually remove older...

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...

How to Generate an SFTP Account for a Support Case

Purpose While working with Veeam Support, you may be asked to provide log files. The primary method for attaching logs to a case is by adding logs via the My Account portal. An alternate method is to upload logs via STFP. To do so, you must first generate an SFTP account associated with the suppo...

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 ...

Create VSS processing exclusion for vCenter Database

Article Applicability This article is only relevant to environments still using a Windows-based vCenter vSphere 6.7 and older with the vCenter database hosted on a Microsoft SQL Instance. Per VMware's Blog: Reminder: vSphere 6.5/6.7 End of General Support The End of General Support for vSphere 6....

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...

How to Register a Service Provider’s Veeam Data Cloud Vault on a Tenant's VBR Server

Legacy Functionality This article explains a method relevant only to Veeam Backup& Replication 13.0.1.1071 and older. Starting in Veeam Backup & Replication 13.0.1.2067, the backup server authorization now communicates directly with Veeam Data Cloud VDC, removing the need to be a License Admin...

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...

How to Detect and Remove Separated Disks During Veeam Agent for Linux Restore

Purpose This article documents how to detect and clean up the restored disks of a Linux machine that used Logical Volume Manager LVM, was backed up with Veeam Agent for Linux , and restored to a hypervisor VM or cloud computing platform. This issue is documented in the following Veeam Agent for...

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 ...

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 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...

How to Customize Retention Options in Drop-Down for Copy Backup, Export Backup, and VeeamZIP

Purpose This article documents how to customize the retention options that are available when configuring the following tasks: Copy Backup Export Backup VeeamZIP Copy Backup Export Backup VeeamZIP Solution The custom retention options are loaded by the Veeam Backup Service during startup of the...

EFS Backup Policy Fails With "Not authorized to perform DeleteRecoveryPoint"

Challenge An EFS Backup Policy fails with the message: User: arn:aws:sts:::assumed-role/VEEAM-BACKUP-FOR-AWS-IAM-ROLE-NAME/VeeamBackupSession is not authorized to perform: backup:DeleteRecoveryPoint on resource: arn:aws:backup:AWS-REGION::recovery-point: with an explicit deny in a resource-based...

ORA-27515 Error During Managed Application Backup Policy Run

Challenge Running a managed backup policy with Veeam Plugin for Oracle RMAN results in job failure: Failed to execute plug-in manager command: RMAN-03002: failure of backup command at 07/13/2023 Plugin logs /tmp/veeampluginlogs and database trace files reference ORA-27515 error: $ grep ORA-27515...

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...

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...

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...

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...

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...

"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...

VM Disks Support for oVirt Incremental Backup

Challenge A backup job for an Oracle Linux Virtualization Manager and Red Hat Virtualization VM could not enable incremental backup support. One of the following warnings may occur: Unable to enable ovirt incremental backups for disk '':. Full scan backups will be performed. Please see KBxxxxx fo...

Veeam Cloud Connect Scalability Tweaks

Purpose This article documents advanced settings to optimize Veeam Cloud Connect to handle many connections. Numerous optimizations to the Cloud Connect framework on both the service provider and the tenant sides have been introduced to increase its scalability including the number of concurrent...

Patching of Veeam Recovery Media fails with "ISO: FATAL ERROR:write_file: failed to create file /tmp/veeam/livecd-..., because Too many open files"

Challenge The patching of the Veeam Recovery Media fails with the error: ISO: FATAL ERROR:writefile: failed to create file /tmp/veeam/livecd-..., because Too many open files Cause Veeam Agent reaches the limit of concurrently opened files during the ISO image unpacking that is performed by means ...

How to Attach a File Larger Than 5GB to a Support Case

Purpose This article documents how to attach an individual file to a case larger than the My Account portal's 5GB per file limit. Solution Option 1: Use SFTP Files larger than 5GB may be uploaded to a support case via SFTP. More information on SFTP can be found here: https://www.veeam.com/kb1661...

General HCI Storage & Veeam CDP support status

Veeam CDP supports the following HCI Storage systems: HPE dHCI HPE Simplivity NetApp HCI Cisco HyperFlex requirements see KB4093 Nutanix AOS with VMware vSphere If this KB article did not resolve your issue or you need further assistance with Veeam software, please create a Veeam Support Case. To...

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...

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...

Support for Oracle Cloud VMware Solution (OCVS)

Support Statement Oracle Cloud VMware Solution OCVS allows you to create and manage VMware-enabled software-defined data centers SDDCs in Oracle Cloud Infrastructure. Oracle Cloud VMware Solution provides self-service provisioning with full administrative permissions, including root access,...

How to Migrate Veeam Agent Backup Files to Cloud Connect Repository

Purpose This article documents the available methods to migrate backup data from Standalone deployments of Veeam Agent for Microsoft Windows or Veeam Agent for Linux from a non-Cloud Connect Repository to a Cloud Connect repository, allowing the original backup job to continue utilizing that back...

"Value cannot be null. Parameter name: dnsName” Error when performing Infrastructure scans in Veeam Backup for AWS

For more information about Veeam Backup for AWS considerations and limitations, please review: Veeam Backup for AWS User Guide Planning and Preparation Considerations and Limitations Challenge When performing an infrastructure scan in Veeam Backup for AWS, you receive the following error: " Faile...

Veeam Backup for Microsoft 365 4b cumulative patch KB3119

Challenge Veeam Backup for Microsoft 365 4b cumulative patch KB3119. Please note that Veeam Backup for Microsoft 365 4с is now available and contains all the resolved issues from Veeam Backup for Microsoft 365 4b. Cause Please confirm you are running Veeam Backup for Microsoft 365 4b build...

Veeam Backup for Microsoft 365 Support for Microsoft Office 365 Multi-Geo Tenant

Purpose This article documents Limitations and Considerations when using Veeam Backup for Microsoft 365 to protect Microsoft 365 with the Multi-Geo feature enabled. Solution Veeam Backup for Microsoft 365 6.0 and newer The Multi-Geo feature is fully supported but has the following limitations:...

Backup Jobs with Public Folders Fail

Challenge When backing up public folders using Veeam Backup for Microsoft 365 the following error occurs: Processing mailbox [email protected] failed with error: Failed to synchronize item changes in folder: FOLDERNAME.. Access is denied. Check credentials and try again...

ERROR_NO_DEVICE_ID is thrown while trying to load a driver using Veeam Agent Recovery Media

Challenge When performing a Bare Metal Recovery, storage or network devices are not visible in the system, and when attempting to load device drivers, the following error occurs: Failed to install driver from INF file Failed to install driver. Error code: ERRORNODEVICEID Solution Verify Correct...