Unexpected Highest Latency Values Shown in Veeam ONE

Challenge Veeam ONE indicates unreasonably high values for highest latency on VMs see screenshot below: Cause The same latency values can be observed in VI Client performance charts under disk/real-time during snapshot deletion. The values may also be negative. Solution This is a known behavior o...

Backup Copy job report shows inflated traffic saving in the notification email

Challenge After installing Patch 1 for Veeam v7, the enhanced Backup Copy job report shows inflated traffic saving in the notification email. Cause Traffic savings ratio is incorrectly calculated off total VM size, rather than the size of changed data. Solution Please download and apply the...

Empty Folder(s) in Datastore after Replication job runs

Challenge When a replication job is ran, an empty folder is created in one of the datastores listed as the . Cause The cause of this behavior is Veeam getting pointed to write to one datastore, while the replica VM itself is on a different datastore. When the job is pointed to a different locatio...

List of Security Fixes and Improvements in Veeam Backup for Salesforce

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Backup for Salesforce. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases. Security...

List of Security Fixes and Improvements in Veeam Plug-in for Microsoft Azure

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Plug-in for Microsoft Azure. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases...

List of Security Fixes and Improvements in Veeam Plug-in for AWS

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Plug-in for AWS. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases. Security Fixes a...

List of Security Fixes and Improvements in Veeam Plug-in for Scale Computing HyperCore

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Plug-in for Scale Computing HyperCore. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between...

Veeam ONE Compatibility Patch for Cloud Director 10.4

The hotfix on this page was built specifically for Veeam ONE v11a 11.0.1.1880. Requirements Before installing this hotfix, ensure you are running Veeam ONE v11a 11.0.1.1880. You can check the version under Help | About in the Veeam ONE Client. Resolved Issues When attempting to add VMware Cloud...

Release Information for Veeam Backup for Microsoft Azure v3a

Requirements Please confirm that you are running version Veeam Plug-In for Microsoft Azure v2 build 2.0.0.303 or later before upgrading. You can find the currently installed build number Server Version in the About section under Configuration | Support Information. After installing Veeam Plug-In...

Release Information for Veeam Backup for Microsoft 365 5d Cumulative Patch KB4270

This patch is superseded by 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 before installing Cumulative Patch KB4270. You can check this under Help and Support About in Veeam Backup fo...

My Account Portal: "No licenses can be found for your account"

Challenge After logging in to the My Account portal, the "No licenses can be found for your account" message is shown on the "Production licenses" page. Solution This issue often happens for one of two reasons: 1. There are multiple companies linked to your Veeam Account, and you may need to swit...

Storage Plan Stuck in "Resetting" State

Challenge After Undoing a Halted Storage Plan or Resetting a Halted Storage Plan, the plan enters the "Resetting" state and cannot switch to another state. Cause If you have a large infrastructure or encounter any internal issues within the Veeam ONE database, the undo or reset operation may not...

Invalid role for specified account. Status code: Forbidden

Challenge When attempting to add a custom role in the Veeam Backup for AWS console, the following error occurs: Invalid role for specified account. Status code: Forbidden Log snippet: Info CDefaultAmazonStsInfrastructure Assuming role 'arn:aws:iam::xyz:role/customrole'. Error TryInvokeAsync...

IBM SVC or IBM Storwize storage LUN can be deleted under specific circumstances

Challenge | Newly created LUNs on IBM storages that utilize the Spectrum Virtualize Software with Veeam B&RIBM SVC or IBM FlashSystem, under very specific circumstances, can be deleted by Veeam B&R. --- Cause | Spectrum Virtualize software has the ability to reuse LUN IDs, which are not set to be...

System logs rapidly grow in size filled by veeamsnap errors

Agent for Linux kernel driver veeamsnap fills system logs with memory allocation error messages rapidly, system might get low on disk space...

Failed to retrieve the configuration parameters of the [FontCache] service

Challenge Job could report warning or failure depending on VSS/AAIP settings: "Failed to retrieve the configuration parameters of the FontCache service. The resource loader failed to find MUI file" Affected: Hyper-V Guest VMs running Windows 2008 with MS security update KB3045171 Cause After...

Slow replication when target proxy uses Virtual Appliance (HotAdd) mode

Challenge Incremental replication throughput is slow when target proxy uses Virtual Appliance transport mode HotAdd. Cause This issue is caused by VMware's limitation. Writing to VM snapshot in hotadd mode may cause high I/O load on the target datastore and result in latency spikes and slow...

Release Information for Veeam Plug-In for Microsoft Azure 9.1

Release Information 13.9.1.407 2026-09-08 Resolved issues General Storage account credentials are stored in plain text on worker appliances. Configuration Backup Configuration backup for the managed backup appliance fails after upgrading Veeam Backup & Replication to version 13.1. Under certain...

Veeam Explorer for Exchange (VEX) Restore Failure - HTTP Error 501 – Load Balancer

Challenge The following KB is only relevant if a Load Balancer is being used. When attempting to use the "Restore to " function the restore fails with "HTTP Error 501". The following will be found in the logs: Item restore failed: The request failed with HTTP status 501: Invalid Request. Error:...

WAN Accelerator Port Configuration

This KB provides information for port configuration with the use of WAN accelerator...

Proxmox VE Worker VM Deployment Fails When Default Local Storage Is Disabled

Challenge When attempting to deploy or test a worker VM, the operation fails with the following errors: Failed to deploy the worker VM: Cannot access a closed Stream. Worker test failed: Cannot access a closed Stream. This may also occur after an upgrade, when the existing worker VM is recreated...

Vulnerability Resolved in Veeam Backup & Replication 13.1

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...

Release Information for Veeam Backup for Microsoft 365 8.6

Requirements This release can be used to: upgrade an existing v8, v8.1, v8.2, v8.3, v8.4, or v8.5 deployment of Veeam Backup for Microsoft 365 to v8.6. install a new deployment of Veeam Backup for Microsoft 365 v8.6. After installing this release, the Veeam Backup for Microsoft 365 build number...

List of Security Fixes and Improvements in Veeam Plug-in for Proxmox VE

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Plug-in for Proxmox VE. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases. Security...

List of Security Fixes and Improvements in Veeam Plug-in for oVirt KVM

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Plug-in for oVirt KVM. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases. Security...

Kanister Pods Fail Image Pulls on Kubernetes 1.35

Challenge On Kubernetes 1.35 or later, Veeam Kasten for Kubernetes worker pods fail with ImagePullBackOff errors when the cluster uses a private container registry. These pods run in the application namespace and have no image pull credentials. The following operations are affected: Backup and...

List of Security Fixes and Improvements in Veeam Plug-in for Xen

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Plug-in for Xen. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases. Security Fixes a...