Microsoft Windows OS is stuck on boot screen after Veeam CBT driver is installed

Challenge The Microsoft Windows OS is stuck on the boot screen after the Veeam CBT driver is installed. Cause The issue occurs if you have the Veritas System Recovery software installed on the Veeam Agent machine. The Veeam CBT driver is incompatible with the VTrack driver provided by Veritas...

How to Create Custom IAM Role to Connect to the Repository

The backup service is using the IAM Role to generate temporary access keys to connect to the S3 bucket where backup data is stored Veeam Backup Object Repository...

Backup jobs targeted at Linux backup repository fail after enabling FIPS 140-2 mode on repository server

Challenge After enabling FIPS mode on a Linux repository server, backup jobs fail; log review reveals that Veeam Backup & Replication is unable to make an SSH connection to the repository: 31.08.2019 00:00:00 Warning Failed to create SSH connection to host: '', port: 22, user: '', elevation to...

Incorrect Replica Counters in Monthly Cloud Connect License Usage Report

Challenge Automated monthly license usage reports generated by Veeam Cloud Connect display an unexpected number of replicated VMs and licensed instances. At the same time, Get-VBRCloudTenant -Name "TenantName" PowerShell cmdlet returns proper numbers. Cause Miscalculations are caused by a bug in...

Release Notes for Veeam ONE 9.5 Update 4a

Challenge Release Notes for Veeam ONE 9.5 Update 4a. Please confirm that you are running version 9.0 Update 1 build 9.0.0.2088 or later prior to installing this update. You can check this under Help | About in Veeam ONE console. After the successful upgrade, your build number will be 9.5.4.4587...

Backup proxy that uses Virtual Appliance (HotAdd) mode and is installed on Microsoft Windows 2019 shows "Restart Required" message

Challenge When you log in to the Veeam backup proxy server interactively following the execution of a job using the hot add transport mode, you may get a notification from the OS prompting to restart the server. The notification can be one of the following: Your PC needs to be restarted to finish...

Release Notes for Veeam Backup & Replication 9.5 Update 4a

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Release Notes for Veeam Backup Replication 9.5 Update 4a Cause Please confirm that you are running version 9.0 Update 2 build 9.0.0.1715 or later prior to...

Service Provider guide on troubleshooting slow merge in Cloud Connect jobs

Challenge During synthetic operations, data processing is handled solely by a Cloud repository. This article provides troubleshooting recommendations which may help to correctly identify the cause of slowness, increase performance and shorten backup window. Solution 1 Storage performance The firs...

Veeam ONE compatibility patch for Veeam Backup & Replication 9.5 Update 4

Challenge After upgrading Veeam Backup & Replication servers to version 9.5 Update 4, Veeam Cloud Connect monitoring and reporting in Veeam ONE 9.5 Update 3 will stop working. Cause This issue is caused by incompatibility of Veeam Backup & Replication 9.5 Update 4 and Veeam ONE 9.5 Update 3. To...

Veeam Availability Console U1 Cumulative Patch 1824

Challenge Veeam Availability Console U1 Cumulative Patch 1824. This update supersedes Veeam Availability Console U1 Cumulative Patch 1817. Cause Please confirm you are running version 2.0.2.1750 or later prior to installing this cumulative patch 1824. You can check this under Windows Programs and...

Re-IP rules do not work in Veeam Availability Orchestrator lab test

Challenge In rare cases, when you perform a failover, Re-IP rules are applying correctly, however, when you perform a lab test these rules would not be applied. Solution To resolve that: 1. Make sure that no plans are currently running 2. Open Veeam Availability Orchestrator UI Configuration VAO...

Backups Fail After Upgrade to AOS 5.8.0.1 or Later

Article Applicability This article documents a bug ENG-163615 Nutanix discovered in AOS 5.6.1 and resolved in AOS 5.9.1. These AOS versions were supported by all versions of Veeam Backup for Nutanix AHV up to version 5. Starting with Veeam Backup for Nutanix AHV 5, the minimum required AOS versio...

How to configure Veeam Agent for Microsoft Windows email notifications for Gmail

This article describes how to configure Veeam Agent for Microsoft Windows email notifications for Gmail account...

Veeam Availability Console U1 Cumulative Patch 1807

Challenge Veeam Availability Console U1 Cumulative Patch 1807. Cause Please confirm you are running version 2.0.2.1750 or later prior to installing this cumulative patch 1807. You can check this under Windows Programs and features. After upgrading, your build will be version 2.0.2.1807. Solution...

Specified database is not valid

Challenge When installing Veeam ONE using an existing or migrated database, the following error occurs: Specified database is not valid. Please choose Veeam ONE database or create a new database to proceed. Cause This error message occurs when the Veeam ONE installer attempts to install using an...

After Installing Update 3, Enterprise Manager GUI shows Blank

Challenge After installing Veeam 9.5 Update 3 for Enterprise Manager, the GUI shows as blank and many buttons are also missing, such as adding a Veeam Server, or starting a collection task for the Veeam server. Reference Photo of Behavior: Cause This is a browser-related problem and is likely due...

Oracle error has occurred. ORA-01031: insufficient privileges

Challenge VSS operations fails for Oracle with: Oracle error has occurred. ORA-01031: insufficient privileges Cause This error is caused by an incorrect configuration for the service account leveraged for VSS operations when processing Oracle databases Solution Review permissions requirements:...

How to back up deduplicated volumes with Veeam Endpoint Backup

This article describes the best practice of backing up deduplicated volumes...

Release Notes for Veeam Backup & Replication 9.0 Update 2

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Release Notes for Veeam Backup & Replication 9.0 Update 2 Cause Please confirm you are running version 9.0.0.902 or 9.0.0.1491 prior to installing this updat...

How to Collect SQL Logs for Deadlock

Challenge To gather logs for SQL Deadlock troubleshooting. Cause Database actions can, in certain circumstances, cause deadlock issues. Solution Using SQL Server Management Studio Tools SSMS perform the following: 1. Connect to the Veeam Backup & Replication configuration database. 2. Expand...

Cloud Connect Jobs might start failing after upgrading to v8 update#3

Challenge After installation of update 3 for v8, tenants might report that their Cloud Connect jobs fail with "Failed to connect to the Veeam Cloud Connect service" error message, while tenant's job log includes "No such host is known" error message. Cause Tenant has a service provider added to h...

Remote execution of a PowerShell script fails when the VeeamBackup SQL database is on a remote SQL Server.

Challenge When using a PowerShell script that is intended to remotely execute a command upon the Veeam server, it may fail if the SQL instance that Veeam Backup & Replication is configured to use is on a different server. This KB article applies only if the following two statements are true. 1. A...

A proxy VM may become inaccessible during hotadd backup

Challenge 'Hotadd' backup proxy virtual machine becomes inaccessible or powered off with the following possible symptoms: 1. Virtual machine randomly stops responding. 2. When guest operating system fails, there is no BSOD or kernel panic. 3. The vmx process of virtual machine fails or is killed ...

How to enable FILESTREAM and install RBS APIs in SQL for VESP

This KB article documents information that other users have found useful when configuring FILESTREAM and/or installing RBS APIs to work with Veeam Explorer for Microsoft SharePoint...

An attempt to access data before the beginning-of-medium marker failed

Challenge During a tape related process in Veeam Backup & Replication the error "An attempt to access data before the beginning-of-medium marker failed" is thrown. Cause The most common cause of this is faulty tape. Solution If there is no content on the tape try erasing it, if the issue persists...

Release Notes for Veeam Backup & Replication 8.0 Patch 1

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Release Notes for Veeam Backup & Replication 8.0 Update 1 Cause Please confirm you are running version 8.0.0.807, 8.0.0.817 or 8.0.0.831 prior to installing...

Veeam doesn't clean up temporary datastore in vSphere after restore from NetApp storage snapshot

Challenge After completing one of the restore options available for NetApp storage snapshot, you may notice that the temporary datastore under the name "snap--" is still mounted on the ESXi hosts with inactive status. See the screenshot below for an example: After a manual rescan of the storage...

Reverse Incremental – Animation of Method and Retention

Purpose This article is intended to document how Reversed Incremental works, and how its retention is enforced. Reverse Incremental Backup Method For information regarding this Backup Method please review the user guide. Reverse Incremental Restore Point Creation The following is an animation...

Release Information for Veeam Backup & Replication 7 R2 Update

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Release Notes for Veeam Backup & Replication 7.0 R2а update Cause Please confirm you are running version 7.0.0.690, 7.0.0.715 or 7.0.0.764 prior to installin...

Veeam VMware Collector service stops

Challenge Veeam VMware Collector service stops running regularly, the logs show that a stop call has been initiated. The vmspi.log contains the following entry: NOTFY Signal: shutting down: 0-LS LS Shutdown invoked. There are also "Info" events ID 7036 in the Windows System Event log with the...

Cluster does not appear in nworks Enterprise Manager Web UI due to unsupported naming

Challenge When a name of a cluster contains unsupported characters, the following error can occur in the Enterprise Manager log server.txt file: INFO IMon Error: System.ArgumentException: An item with the same key has already been added. at System.ThrowHelper.ThrowArgumentExceptionExceptionResour...

Unknown network: not VMNetwork neither DVS

Challenge After you install or upgrade to Veeam Backup & Replication v6, some replication jobs fail with the following error: Unknown network: not VMNetwork neither DVS The issue persists if the job is created from scratch. Cause The error typically occurs because the source .vmx file contains a...

Backup Jobs fail after upgrade from ESX to ESXi

Challenge After upgrading VMware servers, all backup jobs have the following error: "Invalid SoapPath link: "/vmfs/volumes/YourPath" 'Text' is an invalid XmlNodeType." Cause The issue occurs because we are not able to use local storage on an ESXi server as the target for a repository because...

How to Restore Individual Files When FLR Fails

Purpose This article documents an alternate method to restore individual files when the File Level Restore fails or the filesystem is incompatible with the Guest OS File Recovery functionality of Veeam Backup & Replication. Solution Alternative Method for VMware Virtual Machines If the data you a...

How to change URL in Enterprise Manager notification email

Purpose This article documents how to change the URL listed in the Veeam Backup Enterprise Manager notification email. Example of Backup Enterprise Manager Notification Solution Back Up Database Before Making Changes Before making changes to the VeeamBackupReporting database, create a backup of t...

Member servers are not able to authenticate to the Domain Controller

Challenge Either of the following errors occur: No authority could be contacted for authentication. Copy The trust relationship between this workstation and the primary domain failed. Copy Cause The server has lost trust with the Active Directory domain. Solution Login to the machine using a loca...

Appliance Mode - Failed to hot-add SCSI targets: Failed to power on scsi

Appliance Mode - Failed to hot-add SCSI targets: Failed to power on scsi...

No data or incorrect data arrives into Operations Manager from the vCenter Server due to the vCenter Server statistics interval

Challenge No data or incorrect data arrives into Operations Manager from the vCenter Server due to the impact of vCenter Server statistics interval on the Veeam Collector operation. Cause This may happen due to various reasons, in particular, due to incorrect settings of the vCenter Server...

Malware and Ransomware Detection in M365

Availability Requirement Threat Detection is available to Veeam Data Cloud for Microsoft 365 customers with Premium or Advanced plans. Customers must opt in to AI settings to enable this feature. Contact your Veeam account team or see your plan details to confirm availability. Supported Workloads...

Kasten Prometheus Export via remote_write

Purpose Kasten now supports exporting metrics from the embedded Prometheus to external backends using Prometheus's remotewrite capability. This feature supports the collection, aggregation, and visualization of cluster and multi-cluster metrics in monitoring tools like Grafana Cloud and Datadog...

Files with Microsoft Purview Sensitivity Labels Are Not Accessible After Being Restored

Challenge After restoring a file that was encrypted with a Microsoft Purview Sensitivity Label, attempting to open it results in an error similar to: Word was unable to read this document. It may be corrupt. Try one or more of the following: Open and Repair the file. Open the file with the Text...

Service Provider Migration to Unified Veeam Data Cloud FAQ

Below are the most commonly asked questions. What is changing with my Veeam Data Cloud for Microsoft 365 experience? Veeam is transitioning Veeam Cloud Service Providers VCSPs and their customers to Veeam Data Cloud, a unified multi-workload interface. This new experience allows you to manage...

Release Information for Veeam ONE 13.0.1 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 Install and Configure PgBouncer for Veeam Backup for Microsoft 365

PgBouncer must not be deployed on the machine where Veeam Backup for Microsoft 365 is installed. This article is intended only for deployments where the PostgreSQL Instance used by Veeam Backup for Microsoft 365 is hosted on its own dedicated server. For deployments of Veeam Backup for Microsoft...

Impact of Azure AD Graph Deprecation on Veeam Plug-In for Microsoft Azure

Challenge Data protection of Azure services may fail using any version of Veeam Plug-In for Microsoft Azure below v6 build number 6.0.0.234. Cause Starting February 1, 2025, Microsoft has retired Azure AD Graph. As a result, any application relying on Azure AD Graph will be unable to make request...

SharePoint and OneDrive Items May Not Be Displayed

Article Applicability The solution provided in this article requires Veeam Backup for Microsoft 365 8.1 or higher. The issue discussed in this article only occurs under particular circumstances. Review the Cause section closely. This article is marked as related to Veeam Backup for Microsoft 365 ...

Veeam Product Upgrade Guides

Upgrade Guides This article provides a list with links to the upgrade guides available within each product's user guide. Veeam Data Platform Veeam Backup & Replication Veeam ONE Veeam Recovery Orchestrator Veeam Plug-ins for Enterprise Applications Veeam Plug-in for SAP HANA Veeam Plug-in for...

How to Back Up ARM Role Assignments with Veeam Backup for Entra ID

Challenge This article documents the additional configuration necessary to enable Veeam Backup for Microsoft Entra ID to back up relationships between protected resources and management groups as part of the backup scope. By default, Veeam Backup for Microsoft Entra ID does not back up...

Granular sudo Permissions for Management of Veeam Agent for Oracle Solaris

Purpose This article provides examples of granular 'sudo' configuration for the Linux account that will be used by Veeam Backup & Replication when managing Veeam Agent for Oracle Solaris deployments with a Protection Group. Solution The following granular sudo permissions were tested with Veeam...

Release Information for Veeam Backup for AWS 8 Patch 1

Requirements Please confirm that you are running version Veeam Backup for AWS v8 build 8.0.0.845 or later before upgrading. You can find the currently installed build number Product version in the About section under Configuration | Support Information | Updates. After installing Veeam Backup for...