Veeam Explorer for SQL (VESQL): Unable to pass current account's context to the mount server

Challenge When attempting to restore a database using Veeam Explorer for Microsoft SQL Server with the "Use current account" option, the following error occurs: Access is denied: unable to pass current account's context to the mount server, please supply credentials and try again. Cause Veeam...

Veeam Backup & Replication fails to connect to Linux server with an error about negotiation

Challenge When attempting to add a managed Linux server or edit a Linux repository one of the following errors occurs: Negotiation failed. The client and the server have no common key exchange algorithm. Copy Negotiation failed. The client and the server have no common encryption algorithm. Copy...

Job Fails to Start Due to Timeout Caused by Desktop Heap Allocation Failure

Article Applicability The timeout error displayed in Veeam Backup & Replication can be caused by various factors. This article explicitly addresses a scenario where the Windows OS experiences a 'heap allocation' failure. Please note that the solution provided in this article is only applicable if...

How to Manually Repair a VMware Replica created by Veeam

The actions documented in this article should never be performed on a production virtual machine VM , as they intentionally lead to the VM losing data. That data loss is only acceptable with a Veeam replica, because the replica will be repaired and brought back up-to-date when the next replicatio...

Removing Stuck VMDK From the Veeam Proxy

Challenge A virtual machine VM processed with Veeam Backup & Replication VBR has a warning that consolidation is required, but consolidation attempts fail. or A VM that VBR processed is found to have one or more orphaned snapshots a snapshot that is attached to the VM but does not show up in the...

How to Create a Veeam Support Case

Phone Support To improve case handling, you must Open a Case via the portal before calling in. The phone system will ask for your case number and use advanced routing to connect you with the engineer handling your case or an appropriate product/feature specialized support engineer. Purpose This...

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...

How to Start a SureBackup Job in Troubleshooting Mode

Purpose This article documents how to start an individual VM that has failed SureBackup validation in "Troubleshooting mode." Solution Troubleshooting Mode causes the selected VM in the SureBackup job to be powered on and remains on, despite possible test failures. This can be very useful for...

How to Configure HTTP Proxy for Linux-based Veeam Components

Purpose This article documents how to configure HTTP and HTTPS Proxy settings for Linux-based components, including the Veeam Software Appliance and JeOS-deployed Veeam Infrastructure Appliances, in environments where a proxy must be used to access the internet. Note: For proxy configuration...

Dell Unity Storage - "Unable to validate the specified certificate (Error Code: 0x1000100)"

Challenge When attempting to add a Dell Unity Storage Appliance that has been upgraded to firmware version 5.5 to Veeam Backup & Replication or operate backups to such storage, the following error occurs: Unable to validate the specified certificate Error Code: 0x1000100 Cause An investigation by...

CVE-2025-23114

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...

Veeam Kasten GSB backups fail with the error "mkdir /tmp/kopia-log: read-only file system"

Challenge The backup for the workloads that uses Generic Storage Backup GSB fails with the error: mkdir /tmp/kopia-log: read-only file system\r\nUnable to create logs directory: mkdir /tmp/kopia-log: read-only file system Cause Veeam Kasten for Kubernetes 's datamover needs write access to the /t...

How to Configure WDS to PXE Boot Veeam Agent for Microsoft Windows Recovery Media

Purpose This article documents a method to configure Windows Deployment Services WDS to PXE boot the Veeam Agent for Microsoft Windows Recovery Media over a network. Solution General Guidance Disclaimer The information provided below is intended only as general guidance. The method and...

Task Using Wasabi S3 Fails With "XML error: [Error document empty.]. Error code: [13]."

Due to an issue within Wassabi's infrastructure, the XML content provided to Veeam is unexpectedly blank...

Backup Fails With the Error “PKCS12 (PFX)”

Challenge A backup job fails with the error: PKCS12 PFX without a supplied password has exceeded maximum allowed iterations. See https://go.microsoft.com/fwlink/?linkid=2233907 for more information The issue may also manifest as a backup job being stuck in the queued state. In this specific case,...

Impact of Microsoft EWS Deprecation on Microsoft Teams backup

Challenge Due to a recent change deprecating an earlier API EWS, backups of Microsoft Teams may complete with a "Success" status, while no new channel posts were backed up. Solution As it was announced before, Microsoft is deprecating the ability for EWS APIs to access the TeamsMessagesData folde...

Veeam Agent for Linux crash with null pointer dereference on 5.9+ kernels

Article Applicability This article is relevant only to Veeam Agent for Linux build 5.0.2.4567. The issue discussed in this article is resolved in Veeam Agent for Linux 6 with the blksnap kernel module. Challenge Symptom Shortly after Veeam Agent for Linux creates a veeamsnap snapshot, the system...

How to Manually Update Veeam Backup Agent Deployment Packages on Veeam Service Provider Console Server

When the Veeam Service Provider Console server does not have internet access it is unable to download the latest deployment packages for Veeam Backup Agents i.e., Veeam Agent for Microsoft Windows, Veeam Agent for Linux, Veeam Agent for Mac from the Veeam Installation Server...

Palo Alto Cortex XDR causes Veeam Agent SQL LocalDB to crash

Challenge The Cortex XDR agent Traps agent by Palo Alto Networks is installed on a server or a workstation. The following error message appears during the backup process. Error Microsoft SQL server hosting the configuration database is currently unavailable. Possible reasons are heavy load,...

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...

Failed to call RPC function: Error code: 0x80131500

Challenge Backup of Remote Desktop Server VMs with Application-Aware Processing may fail with an Unknown error, error code 0x80131500. You will see error messages similar to: "Failed to call RPC function 'Vss.GetSqlInfoForLastSnapshot2': Error code: 0x80131500. Failed to invoke func...

Antivirus Exclusions for Veeam ONE

Purpose This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam ONE. These antivirus exclusions may be applied to the Windows built-in antivirus or third-party antivirus software. Note: Antivirus will not alway...

How to use Windows Management Instrumentation (WMI) Tester [WBEMTest] to Test WMI Connectivity

Purpose This article documents how to use Windows Management Instrumentation WMI Tester WBEMTest to test connectivity, which can assist in troubleshooting and isolating WMI-related issues with Veeam products. Solution Opening Windows Management Instrumentation WMI Tester 1. Open a Run prompt Win+...

"Failed to lock file" NFS Repository with Datadomain Storage

Challenge A task for attempting to send backups to a Datadomain NFS share that is either added directly as an NFS Repository or mounted to a Linux intermediary server as a Linux repository fails with the error: Processing Error: Input/output error Failed to lock file /mnt/path/to/backup.vbk. Fail...

How to install a standalone Veeam Report Viewer

Purpose You need to install a standalone Veeam Report Viewer to view offline reports. Solution There are several options to install Veeam Report Viewer: Veeam ONE ISO file : You can start Veeam Report Viewer setup from the ISO file: VeeamONE10.0.0.750.iso\Redistr\ReportViewer.msi. Veeam ONE...

Support Statement — Microsoft 365 Changes to Throttling Enforcement

Support Statement This article documents upcoming changes Microsoft is making to application throttling enforcement in Microsoft 365 environments and its potential impact on customers using Veeam Backup for Microsoft 365 and Veeam Data Cloud for Microsoft 365. What's changing? Microsoft has...

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...

How to Configure EKS Clusters to Use AWS IAM Users/Roles for Veeam Kasten for Kubernetes Access

Purpose Follow this guide to provide appropriate Veeam Kasten for Kubernetes role-based access using AWS IAM users or roles. Solution Description Veeam Kasten for Kubernetes integrates with whatever authentication mechanism customers use to access their Kubernetes clusters. Since EKS natively...

Granular sudo Permissions Required for Management of Linux-base Tape Server

Purpose This article provides an example of a granular 'sudo' configuration for the Linux account that Veeam Backup & Replication will use when managing a Linux-based Tape Server. Solution The Linux user account used by Veeam Backup & Replication to connect to the Linux-based Tape Server use the...

VMware Cloud Director 10.5 Partial Compatibility Patch

Intended Audience This hotfix is intended for customers who upgraded to VMware Cloud Director 10.5 and found that backup operations were impacted. Customers who have not yet upgraded to VMware Cloud Director 10.5 are advised to wait for full Cloud Director 10.5 support, which will be available in...

Veeam Cloud Service Provider Case Administrator FAQ

Intended Audience This article contains information that is relevant to Veeam Cloud Service Providers. If you are not a Veeam Cloud Service Provider, please review the following: KB2211: My Account Portal - Role Management FAQ Case Administrator Assignment Restrictions Attempting to assign a case...

How to Create a Salesforce Connected App to Connect Veeam Backup for Salesforce to Salesforce.com

This article was designed to compliment the Veeam Backup for Salesforce User Guide Deployment Performing Initial Configuration Step 5. Create Connected App Purpose This article documents how to create a Connected App in Salesforce to integrate with Veeam Backup for Salesforce via Salesforce API. ...

How to configure registry settings for Microsoft Azure Data Box device

Reference Article This article is referenced by the Veeam Backup & Replication User Guide. Adding Azure Data Box Storage: Before You Begin Before you add Microsoft Azure Data Box to the Veeam Backup & Replication backup infrastructure, create the following registry key on Veeam Backup Server: Key...

ESXi firewall changes required to process a Veeam backup from storage snapshot with Cisco HyperFlex IOvisor

Challenge To process a Veeam backup from storage snapshot with Cisco HyperFlex IOvisor, adjustments may have to be to the ESXi firewall settings. The process outlined below applies to all HyperFlex clusters running HX Data Platform 3.0 or later. Solution Before you add the HyperFlex Cluster into...

Damaged unpacked_data.txt File Causes Veeam Guest Catalog Service to Not Start

Article Applicability There are many reasons why the Veeam Guest Catalog Service may fail to start, and this KB Article is relevant only when the error shown in the Challenge section is found within the Svc.VeeamCatalog.log file. Challenge The Veeam Guest Catalog Service fails to start and the...

Veeam Service Provider Console – Compile and Upload Management Agent Logs

Challenge This article covers how to Management Agent logs for both client agents and the Cloud Connect agent. Solution Export Management Agent Logs To export Veeam Service Provider Console Management Agent logs for one or more client agents, please: 1. Log into the Veeam Service Provider Console...

Veeam Cloud Connect - Compiling Provider/Tenant Logs for Support Cases

Veeam Service Provider Console 8 New Feature Starting in Veeam Service Provider Console 8, it is now possible for Service Providers to create a support case from within the Veeam Service Provider Console console. This new feature also includes automatic log collection during case creation. Purpos...

How to Collect Logs for Veeam ONE

Purpose This article documents the process for gathering diagnostic logging from Veeam ONE. Solution Part 1: Collecting Veeam ONE Application Logs 1. Open the Veeam ONE Settings Utility Run: C:\Program Files\Common Files\Veeam\Veeam ONE Settings\VeeamOneSettings.exe 2. In the lower-left corner,...

"The given key was not present in the dictionary" error while opening nworks UI

"The given key was not present in the dictionary" error while opening nworks UI...

How to manually test hotadd functionality

Purpose This article documents the procedure for manually performing hotadd to test whether a Veeam Backup Proxy can attach a VM's base disks. Solution Requirements and Limitations Before testing, review Virtual Appliance HOTADD Requirements and Limitations Review KB1054:Appliance Mode Hotadd...

Release Information for Veeam Backup for Microsoft 365 8.3

More Recent Version Available Please find the latest version of Veeam Backup for Microsoft 365 here: Veeam Downloads - Latest Version Build Numbers and Versions of Veeam Backup for Microsoft 365 Requirements This release can be used to: upgrade an existing v7, v8, v8.1, or v8.2 deployment of Veea...

How to Exclude Machines from Proactive Malware Scanning

Article Applicability The exclusion setting discussed in this article was added in Veeam Backup & Replication 13.0.1.180. Purpose This article documents how to exclude specific machines from Proactive Malware Scans the "Perform signature-based scan when malware event appears" option. Exclusions a...

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 &...

How to Collect Logs for Veeam Plug-in for IBM Db2

Purpose This article documents how to collect the diagnostic information needed for a support case involving the Veeam Plug-in for IBM Db2. Solution 1. Collect diagnostic information as documented in the five sections below. 2. Combine the data into a single .zip file. 3. Attach the zip file to t...

Release Information for Veeam Service Provider Console 7 Cumulative Patches

Newer Product Version Available A complete list of Veeam Service Provider Console versions and their release dates is available on KB4464: Build Numbers and Versions of Veeam Service Provider Console. Requirements Please confirm that you are running at least Veeam Service Provider Console 7 GA...

OneNote File Remains in an Archive State After Saving From Backup

Challenge After using the Save document function to save a OneNote Notebook as a file, attempting to open the resulting .onepkg file using on-premises OneNote, most notably in OneNote 2016 and OneNote 2019, the following warning is observed: This section can't be edited because it's in an archive...

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...

Oracle Instant Recovery fails with "Database is online. Failed to restore database files."

Challenge Instant Recovery of an Oracle DB with version 12.1-12.2 fails with the following error show in the console: Database is online. Failed to restore database files. Copy Veeam Log Example C:\ProgramData\Veeam\Backup\ExplorerStandByService\Logs\VEOR\InstantRecovery\session.log SSH output 3:...

Veeam Install Error - "Selected ... port is not available."

Challenge During the initial installation of Veeam applications, the install wizard has a page where service ports may be specified. When moving to the next page of the install wizard, an error may be displayed regarding a Selected port not being available. Expand each Veeam product name below fo...

Preferred Network Rule for Hyper-V Host Not Using IP Specified

Challenge Backup network traffic does not use the NICs associated with IPs configured within the preferred network rules for a Microsoft Hyper-V Host. Cause This can occur because, by default, Veeam Backup & Replication stores only the IP addresses for Hyper-V hosts that DNS provides. Solution To...