Cannot request cryptocontainer. Win32 error:Keyset as registered is invalid

Challenge A Veeam Agent for Microsoft Windows backup job completes with the following warnings: Cannot request cryptocontainer. Win32 error:Keyset as registered is invalid. and SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be...

How to offboard a single protection unit from an Express backup policy in Veeam Data Cloud for M365

Challenge Issue Summary After creating an Express Protection Policy in Veeam Data Cloud for Microsoft 365, backups are retained for one year. These Express Protection Policies are built on the Microsoft 365 Backup storage backend. Over time, a situation may arise where you need to offboard a sing...

Guidelines for Mass Instant Recovery to Azure

Article Applicability This article contains information related to Veeam Backup & Replication build 13.0.1.180 and later, as performance for IR to Azure was significantly improved starting with this build. Challenge When attempting to perform mass recovery using Instant Recovery to Azure, the...

Azure Block Mode Export Failure Due to NetworkAccessPolicyIsDenyAll with Veeam Kasten

Challenge If using Veeam Kasten to protect persistent volumes provisioned with the Azure Disk CSI provisioner, and encounter the following error during the block mode export phase of a policy run: Failure in exporting restorepoint with log details similar to: Access not permitted for resource...

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...

Connection to Veeam Software Appliance Fails With: "Authentication failed: invalid credentials"

Challenge When attempting to use local account credentials to connect to a Veeam Software Appliance that is joined to a domain, the Console fails to connect with the errror: Authentication failed: invalid credentials Cause This error occurs due to an account collision caused by the...

Failed dependencies: libmsi1 is needed by veeam-guest-interaction-proxy

Challenge Attempting to add a Linux server as a managed server fails with the following error: Failed dependencies: libmsi1 is needed by veeam-guest-interaction-proxy Rocky Linux may also display the following error if the libmsi1 package is already installed: Failed dependencies: ntfs-3g is need...

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:...

File-Level Recovery (FLR) in Veeam Kasten for Kubernetes

Purpose This article documents how to perform enterprise-grade protection and granular recovery of Kubernetes workloads using Veeam Kasten for Kubernetes integrated with Veeam Backup & Replication VBR. It provides step-by-step guidance on creating backup policies, exporting backups to VBR, and...

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...

Veeam Agent for Microsoft Windows Incorrect Default Permissions Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Veeam Agent for Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within th...

Cannot find EFI boot manager entry for EFI System Partition

Challenge Backup During the backup of some Linux-based machines, the following error occurs: Cannot find EFI boot manager entry for EFI System Partition GUID Restore During a Bare Metal Restore BMR from a restore point created by a backup that displayed that error, the following error will occur:...

Veeam Backup Enterprise Manager JobManagmentService Improper Access Control Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Veeam Backup Enterprise Manager. Authentication is required to exploit this vulnerability. The specific flaw exists within the JobManagmentService component. The issue results from improper...

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 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...

Support for AWS Elastic VMware Service (EVS) with Veeam Backup & Replication

Support Statement Veeam Backup & Replication fully supports AWS Elastic VMware Service EVS, treating it as a standard vSphere environment. Built on VMware Cloud Foundation VCF 5.2.x, EVS provides customers with comprehensive administrative access to vCenter, NSX, and other essential VMware...

SharePoint Sites May Not Be Displayed When Browsing Backups

Challenge When browsing backups or backup copies, SharePoint root sites and their subsites may not be visible. Cause If a backed-up SharePoint subsite is moved between repositories using the Move-VBOEntityData cmdlet, or removed from a repository using the Remove-VBOEntityData cmdlet, the metadat...

Critical Veeam Backup & Replication CVE-2025-23121

On Tuesday, June 17, 2025, backup and recovery software provider Veeam published a security advisory for a critical remote code execution RCE vulnerability tracked as CVE-2025-23121. The vulnerability affects Backup & Replication systems that are domain joined. Veeam explicitly mentions that...

Release Information for Veeam Backup for Microsoft Azure 8 Cumulative Patches

Requirements Please confirm that you are running Veeam Backup for Microsoft Azure v8 build 8.0.0.334 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...

Upgrading the PostgreSQL Database Engine Software Used by Veeam Backup for Microsoft 365

Support Scope This article is provided as a courtesy to give customers a high-level explanation of how to upgrade the underlying PostgreSQL database engine used to host the Veeam Backup for Microsoft 365 configuration database. Per the Veeam Customer Support Policy, section 10: Support for Veeam...