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 Plug-In for Microsoft Azure 8 Cumulative Patches

Requirements Please confirm that you are running Veeam Plug-In 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 Plug-...

How to Register a Service Provider’s Veeam Data Cloud Vault on a Tenant's VBR Server

Legacy Functionality This article explains a method relevant only to Veeam Backup& Replication 13.0.1.1071 and older. Starting in Veeam Backup & Replication 13.0.1.2067, the backup server authorization now communicates directly with Veeam Data Cloud VDC, removing the need to be a License Admin...

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...

Veeam Agent for Microsoft Windows 6.x < 6.3.2.1205 Privilege Escalation (CVE-2025-24287)

The version of Veeam Agent for Microsoft Windows installed on the remote Windows host is affected by a privilege escalation vulnerability: - A vulnerability allowing local system users to modify directory contents, allowing for arbitrary code execution on the local system with elevated permission...

“Failed to retrieve certificate” When Adding AWS Snowball Edge Device

Article Applicability The error message documented in this article can also occur when the Service point specified is invalid or cannot be reached due to a firewall, which is documented in KB4328. This article is specifically regarding a situation in which the correct Service point has been...

Search Best Practices in Veeam Data Cloud for Microsoft 365

New Search Experience for Veeam Data Cloud for Microsoft 365 We are excited to announce the initial rollout of our new search feature, designed to significantly improve the speed and efficiency of your search experience. The new search supports deleted item recovery and restore point search witho...

How to Upgrade the NATS Server Used by Veeam Backup for Microsoft 365

Purpose This article provides information about upgrading the NATS Server used by Veeam Backup for Microsoft 365. NATS Server Version Impact It is recommended that customers use the latest supported version of NATS Server with Veeam Backup for Microsoft 365 to avoid any potential performance...

Vulnerabilities fixed in Veeam Backup

Veeam has fixed vulnerabilities in Veeam Backup & Replication 12.3.2.3617 and Veeam Agent for Microsoft Windows 6.3.2.1205. The vulnerabilities can be exploited after access to compromise backup servers. The highest rated vulnerability, CVE-2025-23121, allows an attacker with domain user privileg...

Veeam Patches CVE-2025-23121: Critical RCE Bug Rated 9.9 CVSS in Backup & Replication

Veeam has rolled out patches to contain a critical security flaw impacting its Backup & Replication software that could result in remote code execution under certain conditions. The security defect, tracked as CVE-2025-23121, carries a CVSS score of 9.9 out of a maximum of 10.0. "A vulnerability...

Veeam Backup and Replication 12.x < 12.3.2.3617 Multiple Vulnerabilities (June 2025) (KB4743)

The version of Veeam Backup and Replication installed on the remote Windows host is 12.x prior to 12.3.2.3617. It is, therefore, affected by multiple vulnerabilities: - A vulnerability allowing remote code execution RCE on the Backup Server by an authenticated domain user. CVE-2025-23121 - A...

Veeam Agent for Microsoft Windows 安全漏洞

Veeam Agent for Microsoft Windows is a data protection and disaster recovery solution for physical and virtual machines from Veeam USA. A security vulnerability exists in Veeam Agent for Microsoft Windows version 6.3.1.1074 and earlier, which originates from a local system user being able to modi...

Veeam Backup & Replication 安全漏洞

Veeam Backup & Replication is a backup and replication software from Veeam USA. A security vulnerability exists in Veeam Backup & Replication version 12.3.1.1139 and prior versions that originates from allowing remote code execution by authenticated domain users...

Veeam Backup & Replication 安全漏洞

Veeam Backup & Replication is a backup and replication software from Veeam USA. A security vulnerability exists in Veeam Backup & Replication version 12.3.1.1139 and earlier, which originates from a backup job that can be modified by a user in the Backup Operator role, which could lead to the...

PT-2025-25742

Name of the Vulnerable Software and Affected Versions Veeam Backup & Replication versions 12 through 12.3.2.3600 Description A flaw in the input validation mechanism allows an authenticated domain user to achieve remote code execution RCE on the backup server. This issue specifically impacts back...

Vulnerabilities Resolved in Veeam Backup & Replication 12.3.2

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 12.3.2. Veeam Product Latest Version Download Page Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we...