Release Information for Veeam Backup for Microsoft 365 7 Cumulative Patches

This release has been superseded by Veeam Backup for Microsoft 365 7a. Requirements This Cumulative Patch can be used to: update manually from a previous Veeam Backup for Microsoft 365 7 release to the latest Cumulative Patch. upgrade an existing pre-7 Veeam Backup for Microsoft 365 server to Vee...

Veeam Backup & Replication Configuration Check displays error regarding unsupported Veeam Backup for Public Cloud product version

Challenge During the upgrade to Veeam Backup & Replication 12, if theConfiguration Check detects that the Veeam Plug-In for AWS Plug-In or Veeam Plug-In for Microsoft Azure Plug-in is installed, the upgrade will be halted with the error: Unsupported Veeam Plug-In for AWS version Unsupported Veeam...

Release Information for Veeam Backup for Microsoft 365 6a Cumulative Patches

Requirements This Cumulative Patch can be used to: update manually from a previous Veeam Backup for Microsoft 365 6a release to the latest Cumulative Patch. upgrade an existing pre-6a Veeam Backup for Microsoft 365 server to Veeam Backup for Microsoft 365 6a with the latest Cumulative Patch...

CDP filters installation fails with "Storage providers offline"

Challenge When installing the CDP I/O Filter, the operation fails with "Storage providers are offline." When this occurs you may also notice that within the VMWare GUI the VMWare storage providers show as disconnected. The following is an example of what can be found in the I/O Deployment log:...

Backups of VMs with enabled CBRC option fails when Linux backup proxies are used

Article Applicability This article discusses a limitation specific to Veeam Backup & Replication 10.x. When Linux-based VMware Backup Proxy was introduced in Veeam Backup & Replication 10, it could only use the Virtual Appliance HOTADD transport mode. Starting with Veeam Backup & Replication 11, ...

How to configure Veeam Agent with Work or School Account

Article Applicability This article concerns a feature only available in Veeam Agent for Microsoft Windows 5 and older. The option to backup to OneDrive was deprecated in Veeam Agent for Microsoft Windows 6. As an alternative, Veeam Agent for Microsoft Windows 6 has introduced an Object Storage...

How to set up multi-factor authentication (MFA) for Veeam Agent for Microsoft Windows

Article Applicability This article concerns a feature only available in Veeam Agent for Microsoft Windows 5 and older. The option to backup to OneDrive was deprecated in Veeam Agent for Microsoft Windows 6. As an alternative, Veeam Agent for Microsoft Windows 6 has introduced an Object Storage...

Potential data loss when using Instant VM Recovery

Challenge Performing Instant VM Recovery in VMware vSphere environments may result in data loss when using the quick migration feature to move published VM disks to production storage to finalize the recovery. This issue was identified internally by Veeam quality control in late 2019, and the fix...

How to Create Custom IAM Role to Connect to the Repository

The backup service is using the IAM Role to generate temporary access keys to connect to the S3 bucket where backup data is stored Veeam Backup Object Repository...

Backup jobs targeted at Linux backup repository fail after enabling FIPS 140-2 mode on repository server

Challenge After enabling FIPS mode on a Linux repository server, backup jobs fail; log review reveals that Veeam Backup & Replication is unable to make an SSH connection to the repository: 31.08.2019 00:00:00 Warning Failed to create SSH connection to host: '', port: 22, user: '', elevation to...

Incorrect Replica Counters in Monthly Cloud Connect License Usage Report

Challenge Automated monthly license usage reports generated by Veeam Cloud Connect display an unexpected number of replicated VMs and licensed instances. At the same time, Get-VBRCloudTenant -Name "TenantName" PowerShell cmdlet returns proper numbers. Cause Miscalculations are caused by a bug in...

Hardware encryption doesn't work on tape operations after update to 9.5 Patch 4b

Challenge After you update to patch 4b 9.5.4.2866, you may face the following encryption-related issues during the backup and restore procedures. Restore from tape backups made in the previous product versions with enabled hardware encryption may fail with the following error message: 11.07.2019...

How to add SMB repository to Veeam Backup for Microsoft 365

Planned Feature Deprecation Veeam Backup for Microsoft 365 support for SMB-based repositories will be deprecated in a future version. For more information, see KB4567: Planned Veeam Backup for Microsoft 365 Feature Deprecation. Experimental Support SMB repository is considered as experimental...

Release Notes for Veeam Backup & Replication 9.5 Update 4a

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Release Notes for Veeam Backup Replication 9.5 Update 4a Cause Please confirm that you are running version 9.0 Update 2 build 9.0.0.1715 or later prior to...

Cloud replica failover fails after upgrade to Veeam Backup & Replication 9.5 Update 4

Challenge After upgrade to Veeam Backup & Replication 9.5 Update 4, starting failover for a Cloud Connect replica in the VMware environment fails with the appliance related error message: Timed out waiting to obtain helper appliance VM IP address Cause Due to a newly introduced issue, the applian...

Microsoft Azure password may be found in the Veeam log file

Challenge Password for Microsoft Azure account may be found in the C:\ProgramData\Veeam\Backup\VeeamBackupManager.log file in plain text format. Cause This vulnerability is caused by executing a command from the KB article on how to configure Granular permissions for Microsoft Azure user. Solutio...

Veeam Marks a Data Tape as a Cleaning Tape

Challenge One or more non-cleaning tape cartridges have become marked as cleaning tapes and may not appear in the Veeam Backup & Replication console. Cause Cause 1: CLN Barcodes Per the LTO barcode standard, a barcode that begins with the prefix CLN is considered a cleaning tape. If for some...

Veeam Service Provider Console – Compile and Upload Server Logs

Purpose This article provides information about collecting Veeam Service Provider Console logs. Solution The log collection procedure for Veeam Service Provider Console is documented in the User Guide: Downloading Veeam Service Provider Console Logs Tip: Use the Archive button in the top-right of...

Backup jobs using Virtual Appliance (HotAdd) transport mode take longer after installing 9.5 Update 3a

Challenge After installing Veeam Backup & Replication 9.5 Update 3a, the backup duration may be significantly increased for jobs using the Virtual Appliance HodAdd transport mode. Other transport modes NBD/NBDSSL, Direct SAN, Direct NFS are not affected. Cause This is a known issue affecting VMwa...

Considerations and Limitation - Live Resizing VHDX Disk

Challenge After live resizing a VHDX file, the following issue can occur based on the operation that was performed: Shrink -- If the VHDX associated with a VM is shrunk, the backup task for that VM will fail, and the following exception will be found in the Agent..Source. log file: cli|...

After Installing Update 3, Enterprise Manager GUI shows Blank

Challenge After installing Veeam 9.5 Update 3 for Enterprise Manager, the GUI shows as blank and many buttons are also missing, such as adding a Veeam Server, or starting a collection task for the Veeam server. Reference Photo of Behavior: Cause This is a browser-related problem and is likely due...

Backup jobs fail intermittently with Error observed by underlying BIO:

Challenge Intermittent network failures when communicating to the VMware host. The errors can vary but all have some variation of: "Error observed by underlying BIO: No such file or directoryDetail: 'SSL connect failed in tcpconnect', endpoint:" Guest processing credentials test will also fail ov...

'Events data collection failure' Issue

Challenge Veeam ONE raises Events data collection failure against Veeam Backup & Replication or Hyper-V server. Cause Permissions, UAC configuration, and firewall settings need to be configured. Solution Troubleshooting Checks Verify that the account used to connect to Veeam Backup & Replication ...

Required Applications and Permissions for Multi-OS FLR and Repository Support for Linux

Purpose This document provides information about required applications that must exist on Linux machines to function with Veeam Backup and Replication. Solution Permissions Requirements Permissions are dependent on the intended role of the Linux server. For more information, review this page of t...

Release Notes for Veeam ONE 9.0 Update 1

Challenge Release Notes for Veeam ONE 9.0 Update 1 Cause Please confirm you are running Veeam ONE 9 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client, the build number should be 9.0.0.xxx. After upgrading, your version build will be 9.0.0.2088. Thi...

Using V8 U-AIR wizards to restore Exchange 2003 and 2007

This KB article documents the procedure for restoring Application Items for Exchange 2003 and Exchange 2007. The Veeam Explorer for Microsoft Exchange does not support these versions of Exchange. In o...

Backup Copy Job Failures when using ExaGrid de-duplicating storage

Challenge Backup Copy Jobs can fail when writing to ExaGrid storage. Cause De-duplicating storage can incorrectly update existing backup files during Veeam "merge" operation. Solution Make sure your ExaGrid Storage firmware version is 4.7.0 P52 or newer. For additional information please contact...

How to enable FILESTREAM and install RBS APIs in SQL for VESP

This KB article documents information that other users have found useful when configuring FILESTREAM and/or installing RBS APIs to work with Veeam Explorer for Microsoft SharePoint...

Mount host is not specified for backup repository “Repository name”

Challenge When attempting to perform an Instant Recovery, Multi-OS FLR, or SureBackup the following error is thrown. Mount host is not specified for backup repository "" Multi-OS Restore: Instant Recovery: SureBackup: Solution Within the settings for the repository specified in the error there is...

Storage vMotion of Instant Recovery fails with “The method is disabled by ‘’”

Challenge When attempting to migrate an Instant Recovery VM to a production datastore using VMware Storage vMotion, the following error occurs: The method is disabled by 'vm-' Call 'VirtualMachine.Relocate' for object 'vmname' on vCenter Server 'vCenterName' failed. Solution To correct this issue...

Windows Repository with Data Deduplication error: "The requested operation could not be completed due to a file system limitation"

Article Applicability The error "The requested operation could not be completed due to a file system limitation " can occur for various reasons. This article highlights one possible cause that may occur when a Windows Repository is backed by an NTFS volume that uses Windows Data Deduplication and...

SQL Log Files (LDF) Not Smaller After Truncation

Challenge After Veeam Backup & Replication or Veeam Agent for Microsoft Windows successfully truncates a SQL Server Database with Application-Aware Processing enabled, the SQL Log File .ldf does not become smaller. Cause This is due to the fact that the LDF file itself is a container, when...

Recommended hotfixes for Hyper-V servers

Below are the recommended hotfixes and patches for Microsoft Hyper-V Servers...

Error "One or more legacy replicas are detected in configuration remove them manually and try again" during upgrade to v7

Challenge During version 7.x Upgrade from 6.x, you receive the error "One or more legacy replicas are detected in configuration remove them manually and try again". Legacy Replicas are any replica created by Veeam Backup prior to version 6.x. Cause Legacy Created prior to Version 6 of Veeam Backu...

Transient and Non-transient Errors When Using Guest Processing

Challenge You receive errors on backup or replication processes during VSS guest processing. Solution 0x800423F3 This error translates to the VSS error "VSSEWRITERERRORRETRYABLE" or "The writer experienced a transient error. If the backup process is retried, the error might not reoccur." This err...

Unable to Add Machine With RAS (Remote Access Service) Enabled

Challenge When trying to add a Windows Server that has the Remote Acces role enabled to Veeam Backup & Replication as a Managed Server, the operation fails with: Failed to check whether remote installer service is available. The RPC server is unavailable. RPC function call failed. Function name:...

No network data available for ESX(i) hosts

Challenge SCOM shows the following alert: VP510 No metrics obtained for ESX hosts, failed to process performance or configuration data for hosts Under SCOM Monitoring - Veeam for Vmware- vSphere Host- Performance views, performance counters for hosts actually exist and show all data except for th...

The user has not been granted the requested logon type on this computer

Challenge Although the nWorks service account has local administrator rights and is a member of the nWorks Enterprise Manager Accounts local group, nWorks Collector and Enterprise Manager cannot be installed, because the installer does not accept the specified service account. The following error...

Cluster does not appear in nworks Enterprise Manager Web UI due to unsupported naming

Challenge When a name of a cluster contains unsupported characters, the following error can occur in the Enterprise Manager log server.txt file: INFO IMon Error: System.ArgumentException: An item with the same key has already been added. at System.ThrowHelper.ThrowArgumentExceptionExceptionResour...

Backup Jobs fail after upgrade from ESX to ESXi

Challenge After upgrading VMware servers, all backup jobs have the following error: "Invalid SoapPath link: "/vmfs/volumes/YourPath" 'Text' is an invalid XmlNodeType." Cause The issue occurs because we are not able to use local storage on an ESXi server as the target for a repository because...

How to Edit Multiple Alarms at the Same Time

Purpose This article provides supplemental information regarding batch alarm editing. As documented in the Veeam ONE Monitoring Guide, in batch editing mode, you can only change the Assignment, Notifications, Actions, and Suppression alarm settings. Solution For information about modifying multip...

DNS does not start on Microsoft Windows Server 2008 Domain Controllers

Challenge Cause The Surebackup Domain Controller can't communicate with the replication partners before loading the zone. Solution There is a Microsoft registry key that should be modified only on the Virtual Machines inside the SureBackup job due to the nature of the key. Open Regedit Browse to...

The service discovery portion of the SPI frequently fails due to a timeout

Challenge Due to weak virtual infrastructure, the discovery process takes more time than the default timeout in the HP agent. Cause Performance related problems on VMware vCenter side. Solution Workaround is to adjust settings of the agent timeout by using the following commands: ovconfchg -ns...

Veeam Product Licensing

Purpose This article provides information regarding Veeam product licensing acquisition, access, and usage. Solution General Information about Licensing Veeam Product Licensing Information Veeam Licensing Frequently Asked Questions Veeam Licensing Policy Veeam End User License Agreement EULA...

Appliance Mode - Failed to hot-add SCSI targets: Failed to power on scsi

Appliance Mode - Failed to hot-add SCSI targets: Failed to power on scsi...

File is larger than the maximum size supported by datastore

Challenge The following error message occurs when attempting to create a VMware snapshot. File is larger than the maximum size supported by datastore The Veeam Backup & Replication job fails with the following error: CreateSnapshot failed, vmRef "vm-xxx", timeout "1800000", snName "VEEAM BACKUP...

Reported CPU Usage Values Differ in vCenter and Veeam ONE

Challenge The reported maximum, minimum, and average CPU usage values do not match between the vCenter and Veeam ONE. Cause How the Values Are Calculated in vSphere Client VMware calculates these values with Hyperthreading Technology enabled. The VMware vSphere client shows that "Hyperthreading" ...

No data or incorrect data arrives into Operations Manager from the vCenter Server due to the vCenter Server statistics interval

Challenge No data or incorrect data arrives into Operations Manager from the vCenter Server due to the impact of vCenter Server statistics interval on the Veeam Collector operation. Cause This may happen due to various reasons, in particular, due to incorrect settings of the vCenter Server...

Build Numbers and Versions of Veeam Plug-In for Verge OS

This KB article lists all versions of the Veeam Plug-In for Verge OS and their respective worker build numbers. Version | Plug-In / Worker Build | Release Date ---|---|--- Veeam Plug-In for Verge OS 1 Releases Veeam Plug-In for Verge OS 1.0 Included with Veeam Backup & Replication 13.1 | 13.1.0.1...

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...