Recovery Media Creation and Servers with Cluster Shared Volumes

Challenge The Windows Agent Backup job for a failover cluster node with a cluster shared volume displays the following notice: Skipping recovery media collection: cluster contains CSV disks Attempting to create recovery media manually using the Recovery Media Creator on the failover cluster node...

Your backup administrator chose not to enable this functionality.

Challenge In the process of importing encrypted backup files for which you do not have the password, attempting to use the "I have lost the password" feature produces the error: Your backup administrator chose not to enable this functionality. Cause This occurs because the backup file was created...

License Update Fails In Networks Where HTTP Proxy Must Be Used

Known Limitation A tenant's Veeam Backup & Replication server cannot access Veeam Cloud Connect infrastructure components through HTTP/HTTPS proxy servers. All cloud-targeted traffic from the tenant's Veeam Backup & Replication server will ignore proxy settings. Challenge License updating may fai...

Veeam Explorer for Microsoft Exchange: Could not establish trust relationship for the SSL/TLS secure channel

Challenge When restoring items with Veeam Explorer for Microsoft Exchange or sending them as attachments, the following error occurs: The request failed. The underlying connection was closed: could not establish trust relationship for the SSL/TLS secure channel Cause There are two possible causes...

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...

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...

Hyper-V Resilient Change Tracking Performance Issues

Challenge General Hyper-V OS performance degradation can occur when using a backup solution to export Hyper-V VM snapshots during backup operations. Solution Based on investigations between Veeam and Microsoft, two underlying causes have been identified. Resilient Change Tracking Resilient Change...

Release History for Veeam ONE version 12

Veeam ONE v12 Releases 12.3.0.4670 2024-12-03 Release Notes What's New Download Veeam ONE 12.3.0.4670 12.2.0.4093 2024-08-28 Release Notes What's New Download Veeam ONE 12.2.0.4093 12.1.0.3208 2023-12-05 Release Notes What's New User Guide Archive Download Veeam ONE 12.1.0.3208 12.0.1.2591...

"Database connection settings for the Microsoft Entra ID backup repository cannot be found."

If you are encountering this error after recently upgrading to Veeam Backup & Replication 12.3, and that upgrade failed on the first attempt, and you attempted the upgrade a second time, please review the section discussing "For Customers Who Ran the Upgrade a Second Time and It Succeeded" on...

Minimum supported OS version for Veeam VSS Hardware Provider is Microsoft Server 2012 (64-bit only).

Challenge An attempt to rescan, upgrade, or update the Veeam Backup Server fails with the error: Minimum supported OS version for Veeam VSS Hardware Provider is Microsoft Server 2012 64-bit only. Cause This issue occurs because an entry in the Configuration Database causes the Veeam Backup &...

Veeam Backup for AWS Private Network Deployment Automation

Purpose This article provides information about Veeam Backup for AWS support for private deployment mode. It will explain how to use the attached script to configure network settings for buckets used as repositories and workers used for backups. To learn more about implementing Private Deployment...

How to Collect Logs for Veeam Plug-in for Microsoft SQL Server

Purpose This article explains how to collect the logs required for a support case involving Veeam Plug-in for Microsoft SQL Server. Solution Quick Start Automated Veeam Plug-in for Microsoft SQL Server Log Collection If the Windows machines where Veeam Plug-in for Microsoft SQL Server is installe...

Helper Appliance Resource Requirements

Purpose This article documents the specific EC2 Instance Type / Azure VM Size that will be used by Veeam Backup & Replication based on the Helper Appliance size selected when adding Amazon S3 or Azure Object Storage. Solution Helper Appliance Sizes The table below documents the actual EC2 Instanc...

Build Numbers and Versions of Veeam Plug-in for Nutanix AHV

This KB article lists all versions of the Veeam Plug-in for Nutanix AHV and their respective appliance build numbers. Starting with Veeam Backup & Replication 12.3.1, the Release Notes for Veeam Plug-in for Nutanix AHV , are included in the Veeam Backup & Replication Release Notes. Note: Prior to...

Release notes for Veeam Backup & Replication 10a Cumulative Patch P20210609

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version This 10a release may only upgrade to 11a or higher. The build of Veeam Backup & Replication 10a P20210609 listed in this article is only compatible with upgrading to...

"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...

How to Migrate Backup Data Between Repositories for Veeam Backup for Microsoft 365

Purpose This article provides information regarding migrating backup data between JET-based backup repositories and from a JET-based backup repository to a non-immutable object storage repository when using Veeam Backup for Microsoft 365. This article documents how to migrate backup data between...

Tape job fails with “The specified network resource or device is no longer available” or “The system cannot find the file specified. Problem with CreateFile in '\\.\Tape0'”

Challenge Tape job fails with the following error messages: The system cannot find the file specified. Problem with CreateFile in '\.\Tape0'. The system cannot find the file specified. The system cannot find the path specified. The specified network name is no longer available. Copy Cause The...

Installer Error: "This installation cannot be updated automatically." or "Unable to proceed with the setup"

Challenge When attempting to update Veeam software, the following error occurs: This installation cannot be updated automatically. Please contact Veeam customer support for assistance with manual update. Alternatively, the following error occurs: An error has occurred: Unable to proceed with the...

Procedure to split Veeam Backup & Replication Server and Veeam Cloud Connect Server

In the situation where the same Veeam Server is used to serve both Backup and Replication services, and Veeam Cloud Connect, Veeam is requiring service providers to split these two services into two d...

Task fails with error: Application is Shutting Down

Challenge Jobs of any type fail with the error, "Application is shutting down." For example: Application is shutting down. Failed to download disk. Shared memory connection was closed. Failed to upload disk. Agent failed to process method DataTransfer.SyncDisk Copy BackupSynthesizedStorageToTape...

Antivirus Exclusions for Veeam Agent for Microsoft Windows

Purpose This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam Agent for Microsoft Windows. These antivirus exclusions may be applied to the Windows built-in antivirus or third-party antivirus software. Note:...

How to Simulate Veeam Backup & Replication Disk I/O

Purpose This article provides examples of using common workload simulators diskspd and fio to simulate Veeam Backup & Replication disk I/O. Do Not Send Test Output Files to Veeam Support The write test output files testfile.dat do not contain diagnostic data. As such, please do not attach them to...

Veeam Backup Temporary Snapshot

Challenge A snapshot named VEEAM BACKUP TEMPORARY SNAPSHOT is found on a VMware Virtual Machine. Cause As detailed in the Veeam Backup & Replication User Guide, a snapshot is created on a VM that is being processed by a Veeam job. This creation of this snapshot causes the VM's base disks to be in...

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...

VSS Errors Related to the 'NTDS' VSS Writer

Challenge This article discusses an error that occurs due to VSS and Veeam's Guest Processing technique for Domain Controllers. It is relevant to all backup jobs for both virtual and physical Domain Controllers. A job processing a Domain Controller with Application-Aware Processing fails with one...

Time difference between Veeam Monitor server and ESX host is too large.

Challenge When attempting to add a vCenter Server or a standalone host with a different time zone, the operation may fail with the error: Failed to connect to "". Time difference between Veeam Monitor server and ESX host is too large. Make sure that NTP is enabled on ESX host and try again. Cause...

User authentication failed

When adding an ESX server to Veeam Backup and Replication console and specifying SSH Connection Settings the error message pops up: "Failed to login to "servername" by SSH, port 22, user "user", elevateToRoot False, autoSudo False User authentication failed...

Veeam ONE Upgrade Fails with "Win32 exception occurred while executing SQL script."

Challenge When upgrading Veeam ONE from version 12.3 to version 13, the following error occurs: Win32 exception occurred while executing SQL script. Error code: 0x80004004. Error details: The SELECT permission was denied on the object 'sysjobs', database 'msdb', schema 'dbo'. Cause This error...

How To Enable DDBoost Immutability with Governance Mode

Purpose This article provides additional information for enabling immutability for the Dell Data Domain deduplicating storage appliance when using governance mode, as referenced in the Veeam Backup & Replication User Guide here: Veeam Backup & Replication User Guide Backup Infrastructure Componen...

Veeam Backup for Microsoft Azure Vulnerability - CVE-2025-23082

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...

Repeat Email Notification: "License update interrupted: Paid license is not installed."

Challenge After installing or upgrading to Veeam Backup for Microsoft 365 version 8 using Community Edition or an NFR Not-For-Resale license, email notifications are sent daily that state that state: Veeam Backup for Microsoft 365 Failed to update license License updated interrupted: Paid license...

NAS Backup to Tape and FLR fails with "Invalid ACL data"

Challenge A File to Tape Backup job e.g., SMB Share to Tape, NFS Share to Tape, or File Server to Tape or a File Restore from Tape fails with the error: Error Invalid ACL data. Error: Unable to find ObjectVersion in cache for the file. File path: X Other symptoms include: A failing file enumerati...

Task fails with "Repository is not compatible with Catalyst Store with fixed block setting enabled"

Challenge A Veeam Backup & Replication job targeting a StoreOnce Repository backed by a Catalyst Store that has Fixed Block Chunking enabled fails with either of the following errors: Repository is not compatible with Catalyst Store with fixed block setting enabled Error:...

Case Administrator Creation Fails with: "It is not allowed to add a Case Administrator role to License Administrators, only to additional users"

Challenge When attempting to finalize the creation of a Case Administrator within the Veeam My Account Portal, the following error occurs: It is not allowed to add a Case Administrator role to License Administrators, only to additional users Cause This error occurs when the email you are attempti...

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...

Nutanix Mine with Veeam - Foundation VM OS Upgrade

End-of-Life Product Nutanix Mine with Veeam reached End-of-Life on 2026-04-30. As of this date, all support services for this product are unavailable. For more information, see the Nutanix EOL Announcement Bulletin - Nutanix Mine, released 2025-04-30. Challenge The Foundation VM of Nutanix Mine...

After updating Veeam Backup & Replication, Mine repository fails to update

End-of-Life Product Nutanix Mine with Veeam reached End-of-Life on 2026-04-30. As of this date, all support services for this product are unavailable. For more information, see the Nutanix EOL Announcement Bulletin - Nutanix Mine, released 2025-04-30. Challenge After installing an update to Veeam...

Release Notes for Veeam Backup & Replication 11 Cumulative Patches

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Requirements Please confirm that you are running V11 GA build 11.0.0.837 of any earlier patch level prior to installing this update. You can check this under Help |...

How to keep OST files in Veeam Agent backup

Challenge When you create a backup using Veeam Agent for Microsoft Windows , Microsoft Volume Shadow Copy Service VSS excludes certain files like deleted, temporary, paging or OST files from the backup scope. Cause Veeam Agent for Microsoft Windows uses Microsoft VSS for backup operations...

Veeam Agent for Microsoft Windows Job Displays the Warning: "Disk is running low on free space"

Challenge A Veeam Agent for Microsoft Windows backup job lists the warning: Disk is running low on free space Copy Log Example C:\ProgramData\Veeam\Endpoint\jobname \Job.jobname.Backup.log Info EpFreeSpaceHelper Volume 'New Volume D:', isSystem=False length is 10718543872 bytes. Free space...

How to disable TLS 1.0 with no impact on Veeam ONE functionality

Possible Veeam ONE issues with disabling TLS 1.0 protocol and their resolution plans...

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...

Can't delete replica when it is being processed.

Challenge Replication job fails with error: Can't delete replica when it is being processed. Cause If a replication job failed before the replica VM is fully created, the job may fail attempting to delete the VM as part of an undo operation on the failed run. Solution This issue can generally be...

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...

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...

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...

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...

An application-specific permission settings prevent COM Server application from running locally

The nworks discovery is not working and topology is not created. User does not get ‘SVDISC’ messages, but they get the following message instead: "The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID and APPID to the user NT...