How to Forcibly Stop Stuck Jobs

Notice of Future Change This article may be retired in the future. As the product has matured, the incidence of jobs or tasks becoming "stuck" has decreased significantly. However, there are instances where a job might be executing a background task, giving the appearance that it has become stuck...

VSSControl: -2147024784 / 0x80070070: There is not enough space on disk

Challenge A job with Guest Processing enabled fails with either: VSSControl: -2147024784 Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. Cannot prepare the Exchange server data to a subsequent restore operation. Cannot store backup/restore manifest. Serial...

VDDK Error 3 Troubleshooting

Challenge A Backup or Replication job fails with an error containing 'VDDK error: 3 ' This most often occurs when forcing aVMware Backup Proxy to use 'Virtual Appliance' transport mode and disabling the 'Failover to network mode' option. Cause The most common scenario is that the disks of the VM...

External Client App (ECA) for Veeam Data Cloud — Adapting to New Salesforce Security Requirements

Support Statement Summary of Changes to Salesforce Security Protocols Salesforce has introduced new security protocols for third-party applications accessing Salesforce organizations. This change affects all third-party products that integrate with Salesforce, requiring those vendors to transitio...

The provided one-time code is incorrect. Check if the backup server time is correct.

Challenge When attempting to connect to the Veeam Host Management Console, after entering the MFA TOTP code, the following error occurs: The provided one-time code is incorrect. Check if the backup server time is correct. Solution There are two potential causes for time mismatch: Cause 1:...

Veeam Backup Enterprise Manager Vulnerability (CVE-2024-40715)

Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we operate a Vulnerability Disclosure Program VDP for all Veeam products and perform extensive internal code audits. When a vulnerability is...

Exchange Backup Fails With: "There is an error in XML document"

Challenge Starting on December 11th, 2023, Exchange backup within Veeam Backup for Microsoft 365 fails with the following errors: There is an error in XML document and The specified type was not recognized: name='SharingMessage' Cause Veeam has observed that there have been changes to the structu...

Agent Backup Job Fails With "Veeam Backup and Replication version is not compatible with Veeam Agent for Windows"

Challenge After upgrading Veeam Agent for Microsoft Windows , the backup job fails to run and displays the error message: Error: Managed session has failed: Veeam Backup and Replication version is not compatible with Veeam Agent for Windows. Cause This error occurs when the version of Veeam Agent...

How to Set Custom VLAN ID in Recovery Media

Purpose This article documents how to configure the Veeam Agent for Microsoft Windows Recovery Media to use a specific VLAN ID. Use Case: You need to access a repository located in a different VLAN than the original machine was using. Solution Because the Recovery Media is based on WinPE, which...

How to Enable Extended Logging of SPNs Used During Connections

Veeam Backup & Replication 12 Feature This article is regarding a feature available starting in Veeam Backup & Replication 12. Purpose This article documents how to enable the logging of Service Principal Names SPNs used during Kereberos-based connections. Use Case When troubleshooting Kerberos...

Download and Manage VCSP Licenses On The Pulse Portal

Purpose Accessing and managing the hosting rental Veeam Cloud & Service Provider licenses on the VCSP Pulse self-service portal. VCSP Pulse is an automated platform where the Service Providers can generate, edit, manage, and download rental licenses directly. The platform represents a collaborati...

How to Create a Veeam Account

Challenge A Veeam account grants you access to the Veeam My Account Portal, the platform that allows you to perform the following actions: View Veeam licenses Download Veeam products Raise and update support cases Access Veeam technical resources Send sales inquiries and renewals requests Once yo...

How to manually collect recovery media logs for Veeam Agent for Linux

Challenge You cannot collect recovery media logs for Veeam Agent for Linux from the repository. In such a case, you can still manually collect recovery media logs from the Linux machine where the bare-metal restore is performed. Cause If the bare-metal restore is not completed, the recovery media...

Job to the Linux Repository Fails with "No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500"

Challenge When multiple tasks are attempting to use the same Linux repository simultaneously, some connections may fail with the error: No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500. The port shown in the error is a data transmission port, and may be...

The process cannot access the file because it is being used by another process

Antivirus Interference Antivirus software can cause access issues similar to those documented in this article. Such interference often occurs when security software detects a Veeam process attempting to access a file and simultaneously locks the file for inspection, coinciding with the Veeam...

How to setup SAN access for use with Veeam Backup & Replication.

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...

Appliance Mode (Hotadd) Requirements and Troubleshooting

Requirements Virtual Appliance HOTADD Requirements and Limitations Requirements for Backup and Restore of Encrypted VMs Known Issues If the VM disk resides on a vVol, the Veeam VMware Backup Proxy's VM configuration file vmx must be on the same vVol. The Veeam VMware Backup Proxy VM must be locat...

Using Veeam Agents with HPE VM Essentials

Article Aplicability This article was created before the release of the Veeam Plug-In for HPE Morpheus VM Essentials. Its content reflects an alternative solution that was available before the direct integration of HPE Morpheus VM Essentials management as a virtual environment in Veeam Backup &...

Release History for Veeam ONE 12.1

Veeam ONE 12.1 Builds 12.1.0.3208 Release Information Release Notes What's New Download Information Product Upgrade Order As documented in the Veeam ONE Release Notes: If you have Veeam Backup & Replication servers connected to Veeam ONE, upgrade Veeam ONE first; Veeam Backup & Replication must b...

Antivirus Exclusions for Veeam Plug-ins for Enterprise Applications

Purpose To ensure the performance and reliability of Veeam Plug-ins for Enterprise Applications, we strongly advise implementing the antivirus exclusions outlined in this article. Interference caused by security software will not always cause Veeam Plug-ins for Enterprise Applications to fail; so...

Build Numbers and Versions of Veeam Recovery Orchestrator

This KB article lists all versions of Veeam Recovery Orchestrator and their respective build numbers. For more information on downloading the latest version of Veeam Recovery Orchestrator, visit: My Account Portal - Product Downloads Latest Downloads Page What's New in Veeam Recovery Orchestrator...

Sensitive data types in Veeam Backup & Replication and Veeam Backup for Microsoft 365 log files

Challenge When you open a support ticket, Veeam Customer Support specialists may request log files. These log files may contain information to which the terms of the data protection laws or internal company policies apply. Veeam Backup & Replication Veeam Backup & Replication log files may includ...

Deduplication Ratio Does Not Reflect Deduplicating Storage

Challenge In the backup properties, the "Data Size" or "Backup Size" is larger than expected, or the "Deduplication" column in the backup statistics is different from the ratio reported by duplicating storage appliances. Cause Veeam Backup & Replication does not request information from storage...

Backup Copy "Source backup file has different block size."

Challenge The issue described in this KB Article only occurs when a Backup Copy job is using the Periodic copy pruning mode. During consecutive Backup Copy intervals, the same machine or group of machines fails to be processed. The message "Initial copy did not complete, and will resume on the ne...

Failed to create a restore point: PostgreSQL database operation failed multiple times with transient error.

Challenge After upgrading to Veeam Backup for Microsoft 365 8.2 or 8.3, jobs fail with the erorr: Failed to create a restore point: PostgreSQL database operation failed multiple times with transient error. Cause This issue occurs because various one-time PostgreSQL queries that the software...

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 Collect Process Dumps and Logs

Article Applicability This article was created to complement KB1727 and provide customers with specific instructions to collect information that will: Help Veam Support identify if the job or task is actually stuck or if it is working on something in the background. Help the Development team...

How to Configure the Azure Restore Proxy Appliance Size

Purpose This article documents how to override the default Azure Restore Proxy Appliance size. Challenge Attempting to restore a Linux workload fails to Microsoft Azure when using a proxy appliance size that is not available for subscriptions that have VM size limitations. The following error may...

Veeam Agent for Microsoft Windows Built-In Case Creation fails with "The request was aborted: Could not create SSL/TLS secure channel"

Article Applicability This article is regarding an issue that impacts Veeam Agent for Microsoft Windows build 5.0.0.4301 or older, and was fixed in build 5.0.1.4584. Challenge When attempting to open a support case using the Technical Support button within the Veeam Agent for Microsoft Windows...

How to use SQL Management Studio to Apply SQL-Based Hotfixes to the Veeam ONE Database

Purpose This article documents applying a SQL query script-based hotfix for the Veeam One database. Solution Identify the Location of the Veeam ONE Database If Veeam ONE is installed, open the Veeam ONE Settings Utility to view the current SQL Server settings. C:\Program Files\Common...

Veeam Plug-In for Google Cloud - Critical Vulnerability (CVE-2022-43549)

Automatic Patching of Components The fix for the vulnerability discussed in this article has been automatically deployed to all Veeam Plug-In for Google Cloud Backup Appliances that have been configured to have access to repository.veeam.com. Most users will have no additional actions to perform...

Build Numbers and Versions of Veeam Agent for Mac

This KB article lists all versions of Veeam Agent for Mac and their respective build numbers. For more information on downloading the latest version of Veeam Agent for Mac , visit: Veeam Agent for Mac -- Current Version Download Page Veeam Agent for Mac -- What's New Current Version Version | Bui...

Build Numbers and Versions of Veeam Agent for Oracle Solaris

This KB article lists all versions of Veeam Agent for Oracle Solaris and their respective build numbers. For more information on downloading the latest version of Veeam Agent for Oracle Solaris , visit: Veeam Agent for Oracle Solaris -- Current Version Download Page Veeam Agent for Oracle Solaris...

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...

My Account Portal - Role Management FAQ

Click here for Case Administrator FAQ for Veeam Cloud Service Providers Case Opening Restrictions Only users with the roles of License Administrator or Case Administrator are authorized to submit support cases. Please confirm the identity of the License Administrator associated with your company'...

Win32 error: The network path was not found. Code 53

Challenge A server processed by a job fails with the following error: Error: Failed to connect to guest agent. Errors: 'Cannot connect to the host's administrative share. Host: . Account: .... Win32 error:The network path was not found. Code: 53 Cannot connect to the host's administrative share...

PostgreSQL and PgBouncer Sizing and Configuration Guide

Challenge Jobs or tasks in Veeam Backup for Microsoft 365 fail with the error: Error: EFCoreLogging: An error occurred using the connection to database 'cache2331ace3-eff1-4ebb-b328-0cb948b2f5c5' on server 'tcp://vb365.domain.tld:6432'. Cause These connection errors can occur in larger environmen...

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...

Veeam Cloud Connect jobs fail with "Authentication failed because the remote party has closed the transport stream" error

Challenge After upgrade of Veeam Backup & Replication on the Veeam Cloud Connect service provider's backup server to version 10, tenant jobs may start failing with the following error: "Authentication failed because the remote party has closed the transport stream ". At the same time, the...

ConfigStoreRootPath Cluster Parameter Is Not Defined

Challenge This article describes how to fix the warning/error "ConfigStoreRootPath cluster parameter is not defined" appearing in the following situations: When attempting to add a Windows Server 2016 and later Hyper-V cluster to the Veeam Backup & Replication Console. When attempting to backup a...

VM Disk Labels Out of Order After Restore

Challenge After Instant VM Recovery or Full VM Restore, a VMware VM appears to have been restored with its disks out of order. However, the disk files are each associated with the correct SCSI, IDE, or SATA disk IDs, disks are not out of order within the VM guest OS, and the VM otherwise function...

How to Allow Company Users to Open Veeam Backup & Replication Web UI Wizards From Veeam Service Provider Console

Purpose This article documents how to allow company users to open Veeam Backup & Replication web UI wizards from Veeam Service Provider Console for backup servers managed by their company. Starting with Veeam Service Provider Console 9.3, users can perform restore operations by redirecting to the...

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...

Granular sudo Permissions for Installing Veeam Plug-ins for Enterprise Applications using Protection Groups

Challenge This article provides an example granular 'sudoer' configuration for the Linux account that will be used by Veeam Backup & Replication when installing Veeam Plug-Ins for Enterprise Applications using a Protection Group, specifically for Veeam Plug-in for Oracle RMAN and Veeam Plug-in fo...

Release Information for Veeam Backup for Nutanix AHV 6.1

This update has been superseded by Veeam Backup for Nutanix AHV 7.0, which was released alongside and supports only Veeam Backup & Replication 12.3. Requirements To upgrade to Veeam Backup for Nutanix AHV 6.1, download the installer below and run it on the Veeam Backup & Replication server that...

Veeam Installer Service Displays Previous Version Despite Being Updated

Challenge After upgrading Veeam Backup & Replication, the Veeam Installer Service on other machines managed by Veeam Backup & Replication may be listed in Apps and Features or Programs and Features with a version that does not match Veeam Backup & Replication version. For example, an environment...

Unable to exclude files from snapshot: Shadow Copy Optimization Writer timed out

Challenge A Veeam Agent for Microsoft Windows backup job configured to operate in file-level backup mode with an entire volume selected and individual folders excluded, may fail with the error shown below. Unable to exclude files from snapshot: Shadow Copy Optimization Writer timed out. Cause The...

Release Notes for Veeam ONE 8.0 Update 2

Challenge Release Notes for Veeam ONE 8.0 Update 2. Cause Please confirm you are running Veeam ONE 8 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client, the build number should be 8.0.0.xxx. After upgrading, your version build will be 8.0.0.1669. Th...

Uninstall or Upgrade of Veeam Agent for Microsoft Windows Fails Due to Missing MSI

Challenge When attempting to uninstall or upgrade Veeam Agent for Microsoft Windows , the Windows dialog box appears stating: The feature you are trying to use is on a network resource that is unavailable. Click OK to try again, or enter an alternate path to a folder containing the installation...

"Item may have a virus reported by the virus scanner plug-in."

Challenge Backup jobs with SharePoint Online or OneDrive for Business items fail with the following warning: Processing OneDrive Username userurl finished with warning: Failed to backup item: filepath, Item may have a virus reported by the virus scanner plug-in. Error Message Change in Veeam Back...