SQL Log Files (LDF) Not Smaller After Truncation

Challenge After Veeam Backup & Replication or Veeam Agent for Microsoft Windows successfully truncates a SQL Server Database with Application-Aware Processing enabled, the SQL Log File .ldf does not become smaller. Cause This is due to the fact that the LDF file itself is a container, when...

Storage I/O Control (SIOC) and Veeam

Challenge Veeam will cause additional IOPS on the datastore of the source VM and a target VM, in a replication job potentially impacting other VMs in the same datastore. In some cases this may cause the performance of other neighboring VMs on the same datastore to decrease during this heavy I/O...

Recommended hotfixes for Hyper-V servers

Below are the recommended hotfixes and patches for Microsoft Hyper-V Servers...

There Is Not Enough Space on the Disk

Challenge A job or task reports the error: There is not enough space on the disk Cause This error is relayed by Veeam Backup & Replication when the underlying system reports the error while attempting to write a file. More often than not, this error quite literally means the disk has insufficient...

Excluded VM Disk is Still Snapshotted

Article Applicability This article is Veeam Backup & Replication version agnostic as it relates to the behavior of snapshots and checkpoints within the hypervisor environment. Challenge Disks of a VM being backed up by Veeam Backup & Replication are snapshotted even though they were excluded from...

No network data available for ESX(i) hosts

Challenge SCOM shows the following alert: VP510 No metrics obtained for ESX hosts, failed to process performance or configuration data for hosts Under SCOM Monitoring - Veeam for Vmware- vSphere Host- Performance views, performance counters for hosts actually exist and show all data except for th...

Veeam Backup & Replication - HP San Setup Guide

Challenge Veeam Explorer for SAN Snapshots lets you perform Veeam restores of entire VMs or individual items directly from HP StoreVirtual VSA and LeftHand snapshots. And like Explorer for Exchange, it's included in all editions of Veeam Backup & Replication. Cause This is a how-to guide on...

Access is denied during Windows File Level Restore

Challenge Customer receives the below error when attempting to restore a file through Windows File Level Restore: Cause The currently logged in user does not have sufficient permissions to access the file that is being restored. Solution There are two ways to resolve this issue. First, log out, a...

Direct-SAN Transport mode – Requirements and Troubleshooting

Purpose This article documents how to set up Direct SAN Access for use with Veeam Backup & Replication. The Direct SAN access transport mode is recommended for VMs whose disks are located on shared VMFS SAN LUNs that are connected to ESXi hosts over FC, FCoE, iSCSI, and on shared SAS storage. In...

Unable to Connect Hyper-V Host via WMI. User credentials cannot be used for local connections.

Challenge When trying to add a Hyper-V host, you receive the error "Unable to connect via WMI. User Credentials cannot be used for local connections." Cause Not all of the prerequisites have been installed when using Veeam Backup & Replication. Solution Before adding Hyper-V servers, check the...

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...

DNS does not start on Microsoft Windows Server 2008 Domain Controllers

Challenge Cause The Surebackup Domain Controller can't communicate with the replication partners before loading the zone. Solution There is a Microsoft registry key that should be modified only on the Virtual Machines inside the SureBackup job due to the nature of the key. Open Regedit Browse to...

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...

The service discovery portion of the SPI frequently fails due to a timeout

Challenge Due to weak virtual infrastructure, the discovery process takes more time than the default timeout in the HP agent. Cause Performance related problems on VMware vCenter side. Solution Workaround is to adjust settings of the agent timeout by using the following commands: ovconfchg -ns...

Guest OS Event Logs Indicate a Time Shift Has Occurred During Backup

Challenge There is a time shift on the guest VM during the Veeam job when the snapshot is taken. You are getting messages such as the following in the system event log: Event ID: 1 The system time has changed to from . Cause VMware Tools may be configured to synchronize the virtual machine's time...

Veeam Product Licensing

Purpose This article provides information regarding Veeam product licensing acquisition, access, and usage. Solution General Information about Licensing Veeam Product Licensing Information Veeam Licensing Frequently Asked Questions Veeam Licensing Policy Veeam End User License Agreement EULA...

Enterprise Manager works with http, but not with https

Challenge This article covers two scenarios: The Veeam Backup Enterprise Manager webpage is not able to be reached when using both HTTP and HTTPS. or The Veeam Backup Enterprise Manager webpage is accessible when using HTTP, but fails to load when using HTTPS. Solution Enterprise Manager Webpage ...

Alerts are not closed automatically in SCOM

This article addresses troubleshooting for the following problem: "Alerts are not closed automatically in SCOM."...

"Unknown vbk format" error when importing backup file to Veeam Backup & Replication

Challenge Cause The .vbk file you are trying to import was created with a different version of Veeam Backup & Replication. Solution Check whether versions of the Veeam Backup & Replication software match on the server where the .vbk file was made and on the server to which you are importing the...

Hardware Status Differs in vCenter Server and Veeam ONE

Challenge One of Veeam ONE's monitoring features is monitoring and alerting on host hardware status changes. These alerts are good to know in case hosts in your environment have hardware issues, the issue will be notified in the alert, and the severity of the issue by VMware's color scale Yellow ...

How to upgrade Veeam Backup for Salesforce to version 2.1.1.

Challenge Customers who installed Veeam Backup for Salesforce 2.x on the following distros before April 2024 won't see the upgrade notification in the product due to the expiration of GPG keys and must perform the upgrade manually. CentOS 7 Red Hat Enterprise Linux 7 Oracle Linux 7 Solution...

How to Migrate the Configuration and Repository Cache Databases

Article Applicability This article is intended for use in environments where Veeam Backup for Microsoft 365 8 is already installed. The information provided in this article outlines the process for migrating the Configuration and Cache Databases from one PostgreSQL instance to another, including...

How to Upgrade PostgreSQL 12 used by Veeam Backup for Salesforce

Purpose This article documents the procedure for upgrading the PostgreSQL v12 deployment before upgrading Veeam Backup for Salesforce. Cause Starting in Veeam Backup for Salesforce v3, PostgreSQL v12 is no longer supported. Solution Before beginning the Veeam Backup for Salesforce upgrade, whethe...

Veeam Kasten for Kubernetes Instant Recovery with Veeam Backup & Replication vPower NFS datastore

Purpose K10 Instant Recovery uses the Veeam Backup and Replication vPower NFS datastore to provide vSphere First Class Disks for storage. This feature enables "instant" recovery of workloads with Kubernetes. Solution The vPower NFS datastore is a fully functional datastore in the vSphere cluster...

Error: could not get determine if bucket supports versioning: Access Denied

Challenge Veeam Kasten for Kubernetes is unable to monitor or refresh the retention period of the data in the S3 bucket and cannot calculate the lock duration based on your retention setting because of this issue. This will show up as an error message in the notification bar: error: can't connect...

PVC Export Fails Due to Timeout

Challenge The export action will fail if Veeam Kasten for Kubernetes takes more than 45 minutes to complete the job. Checking the export action details, the message below is the clue where Veeam Kasten for Kubernetes hits the timeout for the operation waitWithBackoffwithRetries with the duration...

How to Configure an Air-Gapped Veeam Kasten for Kubernetes Deployment Using JFrog Artifactory

Purpose This article provides a step-by-step approach to configuring a JFrog Artifactory server and installing Veeam Kasten for Kubernetes. This allows for creating an air-gapped installation using a private container registry to install Veeam Kasten for Kubernetes. While this can always be done...

Backup Failing With `Too many snapshots` When Using Longhorn as a Storage Provisioner

Challenge Veeam Kasten for Kubernetes backup action for longhorn volumes fails with the error message: too many snapshots created Cause When integrating with CSI-based volumes, Veeam Kasten for Kubernetes employs VolumeSnapshot resources to create snapshots during backup operations. With Longhorn...

Upgrading Veeam Kasten for Kubernetes Fails With Parse Error

Challenge When upgrading to Veeam Kasten for Kubernetes 6.5.3 or higher the upgrade fails with: parse error at k10/templates/v0services.yaml:128: function "continue" not defined Cause This issue is related to the Helm binary version that is installed. Solution To resolve this issue, download the...

SSH Connection Failure to Linux Machine Requiring Multiple Sequential AuthenticationMethods

Challenge Connections to a Linux machine fail with the following errors: Authentication was partially successful, but server requires additional authentication with: 'password'. No suitable authentication method is supported. Supported methods: 'password'. Some tasks may not display these errors...

Restore/Failover/SureBackup of Virtual Machines running Windows 8.1/Window Server 2012 R2 (or older) triggers chkdsk if Veeam Backup Server or Mount Server is Running Windows Server 2022 (or newer)

Challenge In the following scenarios, a Virtual Machine1 that was running Server 2012 R2/Windows 8.1 or lower will perform chkdsk on the first boot if the Veeam Backup Server is running Server 2022: A non-Domain Controller VM is being tested by SureBackup with the "Automatically disable Windows...

After removing and adding items from the OneDrive folder, Veeam Backup for Microsoft 365 may skip backup items

Challenge The Veeam Backup for Microsoft 365 Dev team has identified an issue where Veeam Backup for Microsoft 365 may skip items in a SharePoint Document Library or List when a large number of items are rapidly added, removed, and added again. For example, If a user adds 20 or more items to the...

The Veeam KB Resource Hub

Top 10 Most Popular KBs for Q2 2026 1. KB1832: How to Collect Logs for Veeam Backup & Replication 2. KB1999: Antivirus Exclusions for Veeam Backup & Replication 3. KB4816: How to Configure File Version Protection 4. KB2404: How to Collect Logs for Veeam Agent for Microsoft Windows 5. KB1471: How ...

Veeam Backup & Replication Configuration Check displays error regarding unsupported Veeam Backup for Public Cloud product version

Challenge During the upgrade to Veeam Backup & Replication 12, if theConfiguration Check detects that the Veeam Backup for AWS Plug-In or Veeam Plug-In for Microsoft Azure Plug-in is installed, the upgrade will be halted with the error: Unsupported Veeam Backup for AWS version Unsupported Veeam...

Invalid backup configuration: Team chats backup using protected APIs must the enabled to protect Team chats.

Challenge After upgrading Veeam Backup for Microsoft 365 from v5 to v6a, during the next backup run, or when editing the job or organization, the following error occurs: Invalid backup configuration: Team chats backup using protected APIs must the enabled to protect Team chats. Issue Prevention...

Veeam Support for Azure Public MEC

Overview Veeam supports using Veeam Agent for Microsoft Windows and Veeam Agent for Linux to backup virtual machines running on Azure Public MEC. Azure Public MEC is a low-latency offering, fully manageable within the Azure portal, and links to standard Azure management and services. Services...

Build Numbers and Versions of Veeam Backup for Salesforce

This KB article lists all versions of Veeam Backup for Salesforce and their respective build numbers. For more information on downloading the latest version of Veeam Backup for Salesforce , visit: Veeam Backup for Salesforce Current Version Download Page Version | Build Number | Release Date |...

Veeam Support Statement Regarding SQL 2012 LocalDB EOL

Details When operating in Standalone or Managed by agent mode, Veeam Agent for Microsoft Windows version 5 and all previous versions utilize Microsoft SQL Server 2012 Express LocalDB. Microsoft has announced that SQL Server 2012 will reach End-of-Life on July 12, 2022. However, Veeam Agent for...

Release Information for Veeam Service Provider Console v6 Patch 1

Requirements Please confirm you are running Veeam Service Provider Console version 6.0.0.7739 or later before installing Patch 1. You can check this by logging in to the backup portal and navigating to theConfiguration Support Information tab. After upgrading, your server build will be 6.0.0.8787...

Veeam Backup for Nutanix AHV 3a Release Notes

A newer version of Veeam Backup for Nutanix AHV is available: Veeam Backup for Nutanix AHV Download Page Requirements To upgrade to Veeam Backup for Nutanix AHV 3a, download the installer below and run it on the Veeam Backup & Replication server that manages the AHV Backup Proxys. If you are...

Veeam Plug-In for Oracle RMAN Cumulative Patch P20211211

Requirements Veeam Plug-In for Oracle RMAN Cumulative Patch P20211211 requires at least Veeam Backup & Replication v11 GA 11.0.0.837. The Veeam Plug-In for Oracle RMAN package on this article is also included with the Veeam Backup & Replication 11a P20211211 installer ISO. It is provided here as ...

Last 24 hours -> Running view lists sessions that are actually in stopped state

Challenge Under certain circumstances, the Last 24 hours Running view displays "extra" sessions that are actually in a stopped state. An example where 3 tasks are running, but the "Running" view displays completed stopped tasks. Cause To improve UI responsiveness, some UI data is cached. The issu...

Release Information for Veeam Backup for Microsoft 365 5d Cumulative Patch KB4235

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 or 5.0.3.1035 prior to installing this Cumulative Patch. You can check this under Help and Support About in Veeam Backu...

Architecture Guideline for NEC EXPRESSCLUSTER X

Challenge When using NEC EXPRESSCLUSTER X NEC CLUSTERPRO X in Japan Market with Veeam Agent for Microsoft Windows or Veeam Backup & Replication, there are specific configuration requirements to ensure successful backup and restores. Solution Please refer to the Software Integration Guide on the N...

Release information for Veeam Service Provider Console v5

A newer version of Veeam Service Provider Console is available, review Veeam for service providers: Download for more information. Requirements Please confirm that you are running version 4 build 4.0.0.4877 or later prior to upgrading. You can check this under Configuration | Support Information ...

VAO fails to deploy a VAO agent to a standalone Veeam Backup & Replication server

Challenge When VAO tries to deploy a VAO agent to a standalone Veeam Backup & Replication server, you get a generic error "Failed to communicate to agent", and all VAO attempts to communicate with the VAO agent fail. You can also see the following error in the VAO agent logs located in the log...

Release Information for Tintri IntelliFlash Plug-In for Veeam Backup & Replication

This plug-in leverages the Veeam Universal Storage API, which enables storage OEMs to allow Veeam Backup & Replication integration to the arrays for backup and replication jobs. Requirements Before installing Tintri IntelliFlash Plug-In v 1.0.86, ensure that you are running Veeam Backup &...

Cloned Veeam Backup & Replication Servers in Veeam Service Provider Console

Challenge Veeam Backup & Replication servers with the same installation IDs cannot be used for automatic product usage reporting and integration with the VCSP Pulse platform. Solution Automatic Reboot The command to generate a new Installation ID will cause the Veeam Backup Service to restart,...

Deploying Veeam Backup for Microsoft 365 Backup Proxy Server in AWS

Challenge You need to configure an Amazon EC2 instance to act as a Backup Proxy for Veeam Backup for Microsoft 365 in AWS. For example, this may be required for the following reasons: The current proxy/deployment has or will reach configuration maximums. Growth within the Organizations. You need ...

Veeam Backup for Microsoft 365 Modern App-Only Authentication Limitations

Information Veeam Backup for Microsoft 365 v8 and higher Due to Microsoft's deprecation of Basic Authentication, the only option available when adding a new Microsoft 365 organization to Veeam Backup for Microsoft 365 v8 is Modern App-Only Authentication. Veeam Backup for Microsoft 365 v7 and v7a...