Failover or Surebackup Starts a Virtual Machine With an Incorrect Ethernet Interface

Article Applicability The issue discussed in this article is strictly related to the use of VMXNET3 network adapters with the following vSphere VM guest operating systems: Windows 7 Windows 7 SP1 Server 2008 R2 Server 2008 R2 SP1 Challenge When you back up/replicate/copy/clone a vSphere VM runnin...

How to disable monitoring of Virtual Machines with nworks MP

Purpose In some environments, there is no need to monitor certain or any virtual machines. With nworks MP, it is possible to: - Disable discovery of all virtual machines, and - Disable discovery of specific virtual machines workaround available since 5.6. Solution Disable discovery of virtual...

NWork Download Now Button Is Available But Nothing Happens?

Challenge When clicking the "Download Now" Button, you are redirected to another Veeam page or stay at the Download page. OR Cause This is due to the "Download Now" Button, by default, creates a new tab and popups the .zip file that is trying to be downloaded. Solution There are 2 solutions for...

Backups writing to C:\Windows\SysWOW64

Challenge In some cases, backup repositories automatically created by setup during upgraded from v5 may start writing data into C:\Windows\SysWOW64 if backup files used to reside in the root folder of the volume. Cause Root cause is still unknown but this KB will assist you in getting your jobs...

Issue With Data Warehouse Instance Collation

Challenge The following error message is displayed while generating reports: Cannot resolve the collation conflict between "SQL collation "SQLLatin1GeneralCP1CIAS" and "YourSQLCollationName" in the equal to operation. Cause A non-default SQL Collation is in use that is not supported by OpsMgr,...

"Error Subquery returned more than 1 value" during upgrade to 6.0.0.153

When upgrading to version 6 of Backup & Replication, you receive the error "Error executing SQL Script DBUpdate.sqlfilled. Line 7195. Subquery returned more than 1 value. This is not permitted when the subquery follows =,!=,,= or when the subquery is used as an expression."...

Your license has expired

Challenge During upgrade to a newer version of Veeam Backup & Replication, the following error occurs: Solution Review KB1191 for information about how to download a new license file. More Information Prior to Veeam Backup & Replication v10, all license files were bound by version release. To...

Virtual machines are grayed out after vMotion

Virtual machines are grayed out after vMotion vDisk is in "not monitored" state...

“Server Error in '/' Application” After Installing/Upgrading Backup Enterprise Manager

“Server Error in '/' Application” After Installing/Upgrading Backup Enterprise Manager...

fault.RestrictedVersion.summary

Challenge Getting an error when running a SureBackup job: Unable to mount vPower NFS volume fault.RestrictedVersion.summary Failed to connect backup datastore to the ESX host "hostname".\n Unable to mount vPower NFS volume BACKUP1:/VeeamBackupBACKUP1. Backup1: fault.RestrictedVersion.summary\n...

SureBackup: Error: Mount with leaseId already activated

Challenge A SureBackup job displays the error: Error: Mount with leaseId 'xxx-xxx-xxx-xxx-xxx-xxx' already activated. Cause Surebackup will fail with this message if certain operations time out. Veeam Backup & Replication implements timeouts for most operations to protect against hangs. However,...

Unable to access file [unspecified filename] since it is locked

Challenge VMware holds a lock on the snapshot file while it is being consolidated. If there is an issue during this process, it is possible for further snapshots to be unable to consolidate, causing removal failures. You receive warnings that the snapshot removal process failed because '' is...

Changed block tracking cannot be enabled: virtual hardware version 7 or later required

Challenge The backup or replication job is processed slower than expected and gives the warning message "changed block tracking cannot be enabled: virtual hardware version 7 or later required." The job works without Changed Block Tracking, and the "changed block tracking cannot be enabled: virtua...

How to enable users to restore their own items from latest backup

Solution You need to create an ever-running SureBackup job with the application in question, and provide a convenient DNS name for it. 1. Create a new application group with VMs running the required application and its dependencies. 2. Create a new SureBackup job and select "Keep application grou...

How to download a trial version of nworks products

When you try to download the management pack/SPI trial version from the Veeam Software website, the link does not work...

Failed to configure DC (Host is not licensed for this feature)

Challenge Cause The DC boots up only in the DSRM and all services are not operational. Solution To address this: Make sure ESX is licensed with the vStorage APIs feature. Make sure that the account used to backup the Virtual Machines has full administrative rights on Vcenter and is member of loca...

How to Adjust Collector Heartbeat Timeout

Purpose This article provides information regarding the configuration of the Collector Heartbeat setting, which determines how long the collector can go between heartbeats before being considered unreachable. Solution Configuration of the CollectorHeartbeatTimeout value is documented in the Veeam...

Collection of events with multiple collectors

This KB clairifies collection of events with multiple collectors and offers suggestions to resolve...

Configuring Operations Manager agent

Challenge No performance data regarding VMware objects is available in SCOM, or gaps or dotted lines are visible in Performance views. Cause If the collection is configured correctly, but performance data is missing from the Operations Manager console, the issue may be related to the Health...

Unable to Login to Web UI After Enabling MFA

Article Applicability This article is regarding a issue that was discovered in Veeam Recovery Orchestrator build 7.2.1.286, which was available for download between 2025-07-08 and 2025-07-17. The issue documented in this article was discovered, confirmed, and patched and a new build was released...

How to Export Console and HAR File

Purpose This article documents how to generate a HAR file HTTP Archive to provide additional diagnostic information when investigating issues for web-based applications e.g., Veeam Software Appliance, Veeam Backup & Replication Web UI, Veeam Service Provider Console, Veeam Recovery Orchestrator,...

Openshift Authentication - Failed to authenticate: oidc: failed to get token: oauth2: cannot fetch token

Challenge Users are unable to login to Veeam Kasten for Kubernetes Dashboard and receive the following error: Failed to authenticate: oidc: failed to get token: oauth2: cannot fetch token: 400 Bad Request Response: "error":"unauthorizedclient","errordescription": "The client is not authorized to...

Option to Add Veeam Kasten for Kubernetes Does Not Appear in Veeam Backup & Replication

Challenge When attempting to add Veeam Kasten for Kubernetes to Veeam Backup & Replication, the option for Kasten does not appear in the Add Server options. Cause This issue may occur if: The Veeam Kubernetes Service is not running and needs to be started. The Kasten Plug-In is not installed. Thi...

Veeam Backup for Cloud Solutions Potential Data Loss

Challenge If, between the runs of a backup policy for a VM, a virtual disk is removed and added back to that same VM, data blocks belonging to that disk may be deleted from the backups during the retention process. This can lead to a data loss scenario. Impacted Product Versions: Veeam Plug-In fo...

Impact of tmux on Veeam Interactions With Linux OS

Purpose This article documents a known incompatibility between Veeam applications that initiate SSH connections to remote Linux machines and those Linux machines being configured to have tmux autorun when users connect. Connection Examples As stated, this issue affects all interactions wherein a...

Veeam Explorer for Microsoft Teams Error: "Tab type is not supported"

Challenge The Tenants of a Service Provider, who has recently upgraded to Veeam Backup for Microsoft 365 version 7.0.0.3604 P20230512, may receive the following error when attempting to restore using Veeam Explorer for Microsoft Teams: Tab type is not supported. Cause This error occurs because th...

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...

How to Reset Password for Veeam Backup for Salesforce

Purpose This article documents how to reset the password used to access Veeam Backup for Salesforce. Solution 1. Connect to the Veeam Backup for Salesforce machine via SSH 2. Run the script for changing the password: For Veeam Backup for Salesforce version 3: sudo /opt/vbsf/resetpassword.sh For...

Error: "Virtual lab supports maximum of 9 networks."

Challenge When configuring a SureBackup Virtual Lab for a VMware vSphere environment, attempting to add more than 9 Isolated Networks or configure more than 9 Isolated vNIC adapters will cause the following error to be shown: Virtual lab supports maximum of 9 networks. Cause The Virtual Lab...

Release Information for 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 higher prior to installing this cumulative patch KB4278. You can check this under Help and Support About in Veeam Backup for Microsoft 365 console. After upgrading, your build version will change to...

Release Information for NEC Storage M Series 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 NEC Storage M Series Plug-In v1.0.10, ensure that you are running Veeam Backup &...

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 ...

Veeam Agent for Microsoft Windows 5.0 Can’t Be Started or Installed After Upgrade to Windows 11

Challenge After upgrading to Windows 11, the Veeam Agent for Microsoft Windows service may fail to start. The following errors can be found in C:\ProgramData\Veeam\Endpoint\Svc.VeeamEndpointBackup.log: Error Failed to start service. Error Error occurred during LocalDB instance startup: SQL Server...

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 Hitachi 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 Hitachi Plug-In v2.2.309, make sure that you are running Veeam Backup & Replication buil...

Exchange backup fails after upgrading to Veeam Backup for Microsoft 365 v5

Challenge After upgrading Veeam Backup for Microsoft 365 to v5, backup of Exchange Online data may fail with " Unauthorized 401" error. The issue affects organizations using Modern authentication and legacy protocols with application secret. Cause Starting v5 Veeam Backup for Microsoft 365 has...

Veeam Backup for Microsoft 365 5b cumulative patch KB4158

This update has been superseded by Veeam Backup for Microsoft 365 5с Requirements Please confirm you are running Veeam Backup for Microsoft 365 build 5.0.1.179, 5.0.1.207, or 5.0.1.225 prior to installing this cumulative patch KB4158. You can check this under Help and Support About in Veeam Backu...

Monthly License Usage report is not generated when using Veeam Backup Enterprise Manager in the Veeam Cloud Connect infrastructure

This issue is fixed in thePatch 2 Challenge Monthly Licensing Report generation fails with "ReportingJob task error: System.ArgumentException: An item with the same key has already been added. " error if there is Veeam Backup Enterprise Manager in the Veeam Cloud Connect infrastructure. Solution ...

Release Information for Veeam Backup for Microsoft Azure v2

Requirements 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 Veeam Backup for Microsoft Azure. After installing, your build number will be 2.0.0.303. What's New Veeam Backup fo...

Veeam Backup for Microsoft 365 retention policy miscalculation causing data loss

Challenge When you have deployed Veeam Backup for Microsoft 365, use snapshot-based retention and storing data on a Jet Database-based repository then your solution might mistakenly remove restore points of Exchange data that are still valid. This applies to versions 5.0 Day 0 Update and earlier...

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 NetApp Element 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 NetApp Element Plug-In v1.0.13, ensure that you are running Veeam Backup & Replication...

Veeam Support For Azure FIles

This article provides information around Veeam Backup & Replication support for Microsoft Azure Files. Note that it is possible to protect Azure Files natively with Azure Files Policies in Veeam Plug-In for Microsoft Azure. This article specifically discusses using Veeam Backup & Replication in...

Network mapping does not work for Hyper-V replicas in Veeam Cloud Connect after renaming Hyper-V virtual switch

Article Applicability This article relates to a known issue documented in the Veeam Cloud Connect User Guide: After you subscribe a tenant to a Hyper-V hardware plan, you cannot rename the virtual switch in Microsoft Hyper-V infrastructure that is used by VM replicas. If you rename the virtual...

Release Information for Veeam Availability Orchestrator v3

The latest version of Veeam Recovery Orchestrator can be found here: https://www.veeam.com/disaster-recovery-orchestrator-download.html Requirements Please confirm that you are running version 2.0 build 2.0.1.1403 or later prior to upgrading. You can check this in the VAO UI | Administration tab ...

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,...

Unable to add Nutanix AHV cluster due to empty credentials list

Challenge When trying to add a new Nutanix AHV cluster to the Veeam Backup & Replication infrastructure, the operation cannot be finished due to an empty list of credentials. Newly added credentials are not displayed in the Credentials list, and the wizard does not allow adding a new cluster...

Required Roles and Permissions for Veeam Backup for Microsoft Azure

You want to create manual permissions for your Azure account service account for Veeam Backup for Microsoft Azure or for a repository account. The Azure or service account is responsible for: Synchr...

Veeam Backup for Microsoft 365 4a cumulative patch KB3089

Challenge Veeam Backup for Microsoft 365 4a cumulative patch KB3089. Cause Please confirm you are running Veeam Backup for Microsoft 365 4a build 4.0.0.1553 prior to installing this cumulative patch KB3089. You can check this under Help About in Veeam Backup for Microsoft 365 console. After...