How to Move Backup Data for a File Backup or Object Storage Backup to a Different Repository

Purpose This article documents the procedure for migrating backup data created by an unstructured data backup job File Backup or Object Storage Backup from one backup repository to another backup repository so that the job can resume incremental backup operations using the new destination. Soluti...

How to Change Account Used by Linux Hardened Repository

Prepare for Veeam Backup & Replication v12 Starting in Veeam Backup & Replication 12, the Linux Server associated with a Hardened Repository using Immutability may only be added using single-use credentials. During the upgrade to Veeam Backup & Replication 12, any Linux server associated with a...

VDDK error: 13 - Troubleshooting

Challenge Backup/Replication jobs fail with: VDDK error: 13.You do not have access rights to this file Solution Below is a list of possible solutions to this issue sorted by what transport mode was being used when this error occurred. Note: There are many causes for VDDK 13; this list is not...

License Update Fails In Networks Where HTTP Proxy Must Be Used

Challenge License updating may fail if the machine where the Veeam software is installed does not have a direct connection to the Internet and must instead connect to the Internet via an HTTP proxy. For example, when this occurs with Veeam Backup & Replication, the Svc.VeeamBackup.log shows eithe...

Veeam Agent for Linux: Update Blocked by Repository Signing Key Change

Article Applicability This article is intended for customers managing Veeam Agent for Linux 6.3 deployments. Deployments that have already been updated to Veeam Agent for Linux 13, or are being updated to it, are not affected by the repository GPG key change. Challenge When attempting to update...

Vulnerabilities Resolved in Veeam Backup & Replication 12.3.2

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 12.3.2. 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...

SQL Plugin Job Fails with Error: "Mandatory arguments not set" or "Starting retention policy task"

Challenge After the upgrade or installation of the patch for Veeam Backup & Replication 12.3.2.4165, existing Veeam Plug-In for Microsoft SQL jobs fail with the following error: Failed to backup database. Error: Mandatory arguments not set Session failed: Mandatory arguments not set. Starting...

Cannot find EFI boot manager entry for EFI System Partition

Challenge Backup During the backup of some Linux-based machines, the following error occurs: Cannot find EFI boot manager entry for EFI System Partition GUID Restore During a Bare Metal Restore BMR from a restore point created by a backup that displayed that error, the following error will occur:...

Release Information for Veeam Backup & Replication 10a Cumulative Patch P20220304

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Intended audience for this update The update on this page is provided as a courtesy to customers who wish to remain on Veeam Backup & Replication 10a for an extended...

How to Limit Parallel Disk Processing in Veeam Agent for Microsoft Windows

Purpose This article documents how to disable or limit parallel disk processing in Veeam Agent for Microsoft Windows. Solution The following registry values can used to control parallel disk processing on the machine where Veeam Agent for Microsoft Windows is installed: To disable parallel disk...

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...

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...

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...

How to Collect Logs for Veeam Backup Enterprise Manager

Purpose This article documents how to collect logs from Veeam Backup Enterprise Manager. Solution Automated Log Collection 1. Connect to the Enterprise Manager Website 2. Click Configuration in the top-right corner. 3. In the Configuration section, on the left side, click About. 4. At the bottom ...

Veeam Agent for Linux 6 blksnap module - Xen PV/PVHVM filesystem corruption

Article Applicability This article is relevant only if the answer to all three of these questions is "Yes." 1. Is Veeam Agent for Linux 6 in use? 2. Is Veeam Agent for Linux installed within a Xen PV/PVHVM virtual machine, specifically Citrix XenServer or XCP-ng? 3. Is that virtual machine runnin...

Call execution timeout (100000 ms) (Veeam.Backup.SSH.PerlSoapException)

Article Applicability This article discusses an issue that only occurs when non-persistent Veeam Data Movers are used. The non-persistent data movers are only used when the account provided to Veeam Backup & Replication to connect to a Linux server does not have root or root-equivalent permission...

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...

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...

dkms 3.1.3-1 Causes Backup to Fail With “Veeam snapshot kernel module not found”

Article Applicability This article is specifically regarding RPM-based Linux distros i.e., Oracle, Fedora, and Tumbleweed that have dkms 3.1.3 installed: root@localhost rpm -qa | grep dkms dkms-3.1.3 -1.el9.noarch Challenge Veeam Agent for Linux backup job fails with the following errors when dkm...

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...

Configuration Restore Fails With: "2200N: invalid XML content DETAIL: buffer full"

Challenge When performing a configuration restore or migration, the Restore process fails with the error: 2200N: invalid XML content DETAIL: buffer full Cannot read configuration backup Cause This error is caused by an underlying issue within PostgreSQL 15.1 and 15.2 PostgreSQL 15.1 was included...

Failed to call RPC function 'Vss.FinishSnapshot'

Article Applicability The first part of the error document in this article, Failed to call RPC function , is common and occurs anytime an RPC function cannot be invoked. This article is specifically related to an issue where the VSS snapshot closes prematurely because the KeepSnapshot RPC calls...

Granular sudo Permissions for Management of Veeam Agent for Linux Deployments

More Secure Alternative Starting in Veeam Backup & Replication v12.1, it is now possible to deploy Veeam Agent for Linux using pre-installed Veeam Deployer Service and add that machine to a Protection Group using certificate-based authentication instead of credentials. Using this method, no...

Introducing Veeam Updater for Windows-based Veeam Backup & Replication Deployments

Purpose Starting with Veeam Backup & Replication 13.1, a new Veeam Updater service is included for all new and upgraded Windows-based deployments. This service is automatically installed and provides built-in automated update management. Previously, this feature was only available for Linux-based...

Veeam ONE: SQL Express Maximum Database Size Limitation

Challenge When the Veeam ONE database is located in a SQL Express instance, if the database reaches the maximum allowed size, Veeam ONE will not be able to continue data collection, thus affecting data accuracy and alarm generation. Cause If you choose to host the Veeam ONE database on Microsoft...

"Established connection failed because connected host has failed to respond :10005"

Challenge A Windows Agent Backup or Windows Agent Policy type job within Veeam Backup & Replication fails with either of the following errors. A Veeam Agent Backup operating in Managed by backup server fails with the error: Error: Managed session has failed: A connection attempt failed because th...

How to Find Your Veeam Support ID Number

Challenge When opening a support case, after selecting a Veeam product, the Support ID field will autopopulate if your account has only one Support ID associated with the selected product. If more than one Support ID is associated with the selected product, you will be prompted to either select a...

Error downloading plug-in. Make sure that the URL is reachable and the registered thumbprint is correct. Certificate doesn't support 'digitalSignature' KeyUsage

Challenge Attempting to deploy the Veeam Plug-in for VMware vSphere Client through Veeam Backup Enterprise Manager fails with the error: Error downloading plug-in. Make sure that the URL is reachable and the registered thumbprint is correct. Certificate doesn't support 'digitalSignature' KeyUsage...

Protection Domain Has Third-Party Backup Snapshot(s)

Challenge Two different issues are possible: Scenario 1: Cannot Remove Protection Domain When trying to remove a protection domain containing the virtual machines, which are being backed up by Veeam Backup for Nutanix AHV backup appliance, the following error occurs: Specified protection domain h...

Monitoring of standalone hosts fails

Challenge No topology is created for standalone ESX/ESXi hosts. nworks logs contain the following errors: 0.0017 EXCOL+ VP120 retrieveHostProperties failed, buildMorList: zero count at nworksCore.Collectors.VimUtil.buildMorListList1 nodes at...

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...

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 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...

How to assign ProPartner Portal Roles

Purpose This article documents how to assign internal VCSP employees a Pulse user role to allow them access to the VCSP Pulse portal within the Veeam ProPartner setup. Note: Roles can only be assigned by the employee of the ProPartner holding the ProPartner manager role. Solution To adjust the...

Version string portion was too short or too long

The article describes additional Veeam ONE database configuration required after deploying it manually...

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...

Antivirus Exclusions for Veeam Agent for Mac

Purpose This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam Agent for Mac. Note: Antivirus will not always cause Veeam Agent for Mac functions to fail; antivirus software may also negatively impact backup...

Hyper-V Backup Job fails after 72 hours "Failed to call RPC function 'HvSetVmBackupStatus'"

Challenge A backup of a Hyper-V VM fails after 72 hours with the following error: Failed to call RPC function 'HvSetVmBackupStatus': Snapshot with id 'snapshot-uuid' was not found. In the Task log for the specific VM %programdata%\Veeam\Backup\ \Task...log the following error is found: Error The...

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...

Unable to Interact with Some Hypervisors and Cloud Platforms

Veeam Backup & Replication 13.0.1 Upgrade Warning During the upgrade to Veeam Backup & Replication 13.0.1 or higher, the following warning may be displayed: Incompatible backup server certificate The certificate does not support child certificates creation and must be replaced for virtualization...

Manually moving backup files between Scale-Out Backup Repository extents

Extent Rebalance is Now Built-In to Veeam Backup & Replication This article was written prior to the release of Veeam Backup & Replication 12. While the procedure may still work in Veeam Backup & Replication 12 and higher, we strongly advise you to instead consider using the built-in rebalancing...

SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped

Challenge A job displays the warning: SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped Solution Support Scope Please note that the warning message displayed by Veeam Backup & Replication is a courtesy notification...

How to manually remove restore points from a VMware Replica

Purpose This article documents how to remove restore points from a Veeam Backup & Replication replica in a vSphere environment. The replica must be in a state where: the latest run was successful the job is not currently running failover is not currently active. Solution Remove old restore points...

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...

Failed to prepare guest for SQL Server transaction log backup Details: Job owns SQL Server transaction logs backup

Challenge Microsoft SQL Server Log Backup job displays the following warning: Failed to prepare guest for SQL Server transaction log backup Details: Job owns SQL Server transaction logs backup This issue can also occur for Oracle Archived Log Backup, and will display the following warning: Cannot...

JetError -1404, JET_errIndexNotFound, No such index

Challenge When trying to open a database in VEAD, you receive the following error message: JetError -1404, JETerrIndexNotFound, No such index Solution Log in to the domain controller from which you are trying to restore the database, run cmd as Administrator and run the following: 1. Type regsvr3...

Veeam ONE Report Error "Invalid query string"

Note to Veeam Backup for Microsoft 365 Customers If you were directed here by the output of the Test-VBORepository cmdlet, please visit https://www.veeam.com/kb4704. The typo in the cmdlet output will be corrected in a future release. Challenge When previewing a report in Veeam ONE Web Client, th...

How to Modify the Security & Compliance Analyzer's Password Complexity and Length Validation Check

Purpose This article documents how to adjust the Encryption Password Complexity and Length Validation check portion of the Security & Compliance Analyzer. Starting in Veeam Backup & Replication 12.3, encryption passwords will automatically be checked to see if they meet specific length and...

Release Information for Veeam Backup & Replication 11a Cumulative Patches

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Requirements Before installing this Cumulative Patch using the Patch Installer, please confirm that you are running Veeam Backup & Replication 11a build 11.0.1.1261 wi...

Converting Disk from RAW to QCOW2 to Allow For Incremental Backup

Purpose This article documents how to convert a Disk from RAW to QCOW2, allowing Veeam Backup for Oracle Linux Virtualization Manager and Red Hat Virtualization to create an incremental backup of the disk. As documented in the Veeam Backup for Oracle Linux Virtualization Manager and Red Hat...