Veeam Backup & Replication does not start after Veeam Backup Enterprise Manager upgrade to 9.5 U4

Challenge Both Veeam Backup & Replication and Veeam Backup Enterprise Manager are installed on the same server. Veeam Backup Enterprise Manager is updated to Update 4 with instance license, while Veeam Backup & Replication is still running an older version. After Veeam Backup Enterprise Manager...

Cloned Nimble volumes are not visible

Challenge By default, cloned Nimble Volumes are not shown in Veeam Backup and Replication UI and cannot be interacted with. However you can implement registry setting that will enable Nimble cloned volumes for interaction. Solution 1. Create the following registry value on the Veeam Backup and...

Granular permissions for Microsoft Azure user

Challenge When adding an Azure account to Veeam Backup & Replication, you would use the Add Microsoft Azure compute account... then, on the Subscription tab of the wizard that opens, select the "Create a new account" option. Doing this will register a new Azure AD Application. The account used to...

How to do an Application Item Restore using Standalone Veeam Agent Backups in a Cloud Connect Repository

Article Applicability This article documents a method for performing Application Item Restore from restore points created by a Standalone Veeam Agent for Microsoft Windows deployment and stored in a Cloud Connect Repository. For Veeam Agent for Microsoft Windows deployments managed by a tenant's...

"Length cannot be less than zero" error during the Update installation

Challenge The Update for Veeam ONE fails during the installation with the error message "Length cannot be less than zero". Cause User Principal Name or UPN user@domain is currently unsupported with Veeam ONE. User Logon Name or ULN domain\user is the only supported username format for the product...

Veeam Availability Console Cumulative Patch 1376

Challenge Veeam Availability Console Cumulative Patch 1376 Cause Please confirm you are running version 2.0.1.1319 or later prior to installing this cumulative hotfix 1376. You can check this under Windows Programs and features. After upgrading, your build will be version 2.0.1.1376. As a result ...

How to Create Veeam ONE Service Dump for Analysis

Purpose This article documents how to create Veeam ONE service memory dump. Solution In order to create Veeam ONE Monitor server service full memory dump, perform the following steps: 1. Download the ProcDump tool from the Windows Sysinternals page:...

DD replication causes panic error on the target Data Domain server

Challenge You have configured a Data Domain Storage Unit as a Veeam backup repository using MTree replication. Data Domain replication results in PANIC on the target Data Domain storage. Cause Veeam Backup & Replication leverages the Virtual Synthetic VS feature of the DD Boost library for buildi...

Replication job to VMware Virtual Volumes (VVols) fails with VDDK error: 7 (A file access error occurred on the host or guest operating system)

Article Applicability The issue documented in this article is caused by a VMware-level issue and as such, affects every version of Veeam Backup & Replication. Challenge A Replication job targeting a VVOL fails with the error: Error: VDDK error: 7 A file access error occurred on the host or guest...

License cannot be installed in Veeam ONE

Challenge When installing the license file, the following error message may occur: License signature is invalid Copy Cause Sometimes the license check module is unable to process the license key correctly, some certificates are missing, outdated or machine has no internet connection to verify the...

“File does not exist” error after rename failure on deduplication appliance

“File does not exist” error after rename failure on deduplication appliance...

Connectivity Issue When Adding Veeam Backup & Replication to Enterprise Manager

Challenge When attempting to add a Veeam Backup Server to Veeam Backup Enterprise Manager the following error occurs: Connection to Veeam Backup service unavailable. Copy Correlated with this error will be entries n the svc.VeeamBES.log on the Enterprise Manager server stating "host not resolved....

Repeated snapshot consolidation requests on VM by Snapshot Hunter

Article Applicability This article specifically applies to a situation where a VM was created using a third-party VDI, fast-provisioning application, or PowerCLI with the -LinkedClone parameter. Challenge Shortly after a backup or replication job runs, multiple Consolidate Snapshot operations are...

Uninstalling Veeam Backup & Replication plug-in for Labtech

Challenge Uninstalling the plug-in using Plugin Manager only removes it from the list of plugins but leaves Veeam components reports, monitors, etc. and database data intact. Cause Uninstalling the Veeam Backup & Replication Plug-in by means of the LabTech Plugin Manager is not supported. If you...

Windows 2012/2012R2 leaks memory when a hardware snapshot is created multiple times on a CSV

Challenge Windows 2012 / 2012 R2 Hyper-V hosts leak memory when a hardware snapshot is created/removed multiple times on a CSV with a hardware provider. Cause Windows 2012 / 2012 R2 Hyper-V hosts leak memory when a snapshot is created on a CSV using hardware provider. Due to the fact that only a...

Guest Files Restore Missing Drive Using Storage Spaces

Veeam Explorer Appliancation Item Restores Some Application Item Restores use Guest Files Restore on the backend to mount the VM's Guest OS disks and access their contents to perform the application item restore. If the files needed to perform the application item restore are located on a Storage...

Veeam Management Pack for System Center 7.0 R2 Update

Challenge Release notes for Veeam Management Pack for System Center 7.0 R2 Update Cause Please confirm you are using Veeam MP version 6.0, 6.5 or 7.0 prior to installing this patch. You can check this in SCOM Console | Administration | Management Packs. The 7.0 GA version of Veeam MPs will be...

SAN snapshots on HP Store Virtual P4500 left behind after backup failures

Challenge The Veeam backup job fails but the SAN snapshot on HP Store Virtual is still created and left behind. On the proxy you may see in the event logs 2 events, one after another: first VSS event 8229 about VSS writer failure and then event 284 from HP StoreVirtual VSS Provider about successf...

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...

Backup to tape jobs fails when the source contains .vrb files

Challenge 1. When using backup to tape on a source job containing .vrb files, the jobs may fail with the error: MediaPool not found id: 00000000-0000-0000-0000-000000000000. 2. When enabling incremental mode in backup to tape, .vrb files will be transfered to tape. Cause This is a known issue...

Misconfigured RPC Settings cause Backup Job to fail with "Failed to prepare guest for hot backup"

Article Applicability This KB article is specific to a scenario where Dynamic RPC ports have been customized within the registry. That customization then causes the particular error Code: 87. The primary error in the UI, "Failed to prepare guest for hot backup," has many causes, and this article...

Uninstalling Veeam Collectors if a System Resource Pool Was Used for Auto-Deployment

Purpose This article documents how to uninstall Veeam Management Pack for Microsoft System Center if during auto-deployment of Veeam Collectors, one of the system resource pools was used i.e., All Management Servers Resource Pool, Notifications Resource Pool, or AD Assignment Resource Pool. This...

Veeam Backup & Replication - SQL Backup Guide: Using Microsoft SQL Server Agent With Application - Aware Image Processing

This guide was created to assist you with successfully backing up, and restoring, Microsoft SQL databases...

Locations to Check for Incorrect Username/Password Issues

Challenge Jobs fail with an error message indicating an incorrect user name or password. An account associated with Veeam is being locked out in Active Directory. Solution Below are the locations where accounts are configured within Veeam Backup & Replication and Backup Enterprise Manager...

Patch 1a Release Notes for Veeam Backup & Replication Add-on for Kaseya

The Kaseya plug-in for Veeam Backup & Replication was discontinued in 2019 and is no longer available nor supported by Veeam. Challenge Veeam Backup & Replication Add-on for Kaseya Patch 1a Release Notes Cause Please confirm you are running version 1.0.0.168 prior to installing this patch. You ca...

WAN Accelerator Quick Reference

Purpose This article provides links to documentation regarding Veeam Backup & Replication WAN Acceleration. User Guide Documentation How WAN Acceleration Works WAN Accelerator System Requirements WAN Acceleration Section WAN Accelerator Sizing Adding WAN Accelerators Best Practices Documentation...

Error: Object reference not set to an instance of an object after manually deleting a replica VM

Challenge You receive an error after manually deleting a replica VM. Cause The replication job is still mapped to the previous replica VM. An error is produced when Veeam attempts to access the invalid object. Solution Unchecking the Low Connection Bandwidth Enable replica seeding checkbox does n...

Veeam ONE v7 R2 update

Challenge Release Notes for Veeam ONE v7 R2 update Cause Please confirm you are running version 7.0.0.876 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client. After upgrading, your build will be version 7.0.0.919. This update should be applied to...

Unexpected Latency Values Shown in Veeam MP

Challenge Veeam MP alerts about 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...

"License is not Installed" Error when adding license file to Veeam Backup

Challenge When you attempt to add a license in to Veeam Backup & Replication, you receive the following error: Cause This error means you are likely using a license key that is for a previous version, such as v6.5, of Veeam Backup & Replication, or the file is incomplete Solution You can confirm...

Animated Retention Policies/Modes

Objective To demonstrate Veeam Backup & Replication's different backup methods and their retention logic. Solution For information regarding Forward Incremental and Forever Forward Incremental , please see www.veeam.com/kb1932. For information regarding Reverse Incremental , please see...

FastSCP ver. 3.0.3 is unable to connect to datastore in VMWare

The FastSCP software receives an error connecting to VMware version 5 and higher datastores...

Choosing a restore proxy for performing a Full VM restore

When doing a Full VM restore with Veeam Backup & Replication, sometimes you will need to choose a proxy to get the restore done faster. An example would be restoring across a WAN where Veeam is local, but the repository is on the remote site...

Configuring Veeam Backup Cloud Edition with HP Cloud

Challenge Specifying a container in HP Cloud account settings results in the following error: Incorrect HTTP method used in the request 26301 Fault Name: IncorrectHTTPMethod Error Type: MethodValidationFailure Description: Incorrect HTTP method used in the request Service: publiccsservices...

Building SAN path is taking a long time

Challenge The path discovery and mount process can take a while to populate the correct path to the VMDKs. 16.05.2012 18:28:09 Info AP Client output: VixDiskLib: Trying to open disk Datastore VMName/VMName.vmdk using mode san.\n 16.05.2012 18:34:41 Info AP Client output: DISKLIB-LINK : Opened...

Conflict with SCOM/antivirus software

Challenge After installation, no Veeam Management Pack for Microsoft System Center discoveries take place within 5 hours. The Operations Manager Event Log does not show events 999, 1010, 1012, 1011. Cause Antivirus software can prevent the agent from working properly. Solution Check the following...

Performance metrics are not updated when a virtual machine is powered off

Challenge Sometimes SCOM can be showing irrelevant performance graphs for powered off VMs: Cause This is an expected behavior for the current version of nworks. When a virtual machine is powered off, WMI cache still contains outdated data. That is why graphs in SCOM are updated improperly. The...

Virtual Appliance or SAN mode fails on a localized proxy server

Challenge Hot-add or SAN mode fails on a localized proxy. In the job log, you can see the following error: Info AP 2a1a output: 2012-01-26T12:07:14.429+01:00 02252 error 'Default' Cannot use advanced transport modes for xxx.xxx.xxx.xxx/moref=vm-xxx/snapshot-xxx: Cannot lock directory...

Failed Accessing Windows Event Log

Challenge SCOM reports a Warning: "Failed Accessing Windows Event Log...". and in the State Change Events description you can find: "The Windows Event Log Provider was unable to open the nworksEventLog event log on computer 'nodexxx' for reading. The provider will retry opening the log every 30...

VMware Objects are not visible in Ops Mgr

Challenge Either of the following scenarios apply: 1. No virtual infrastructure objects e.g., Clusters, Hosts, or VMs appear in the OpsMgr Console. Additionally, you may receive an alert in Ops Mgr from the Veeam Management Pack for Microsoft System Center Collector as follows: Alert Name: Agent...

NFS storage, backup job may fail with rollback file deletion errors.

NFS implementation specifics on certain NFS storage, backup job may fail with "rollback file deletion errors"...

"JavaScript must be enabled in the web browser to view this page" error while logging to Veeam Reporter Web page

Challenge Cause Security restrictions applied in web-browser prevent from running static content or Veeam Reporter website requires the Static Content feature of IIS be installed in order to function properly. Solution At first, try to add Veeam Reporter's web-site into list of Trusted Sites zone...

Object reference not set to an instance of an object exception on Checking free space on source datastore

Job fails right away with error "Checking free space on source datastore. Object reference not set to an instance of an object."...

nworks UI cannot be displayed, error "Cannot load scripts-main.js"

This article provides troubleshooting tips for the error "Cannot load scripts/main.js" within nworks UI...

Enterprise Manager shows duplicate jobs

Challenge After moving the Veeam server to another server the jobs tab of the Backup Enterprise Manger still shows the jobs from the previous Backup server. Cause Information about the old backup server still remains in VeeamBackupReporting database. Solution To correct this: 1. Go to the...

Import fails with "No such file"

Challenge When trying to import VBK, the import fails with the error "No such file." Cause This message can occur due to improper setup of the storage connection. Solution To correct this issue: 1. Confirm that this backup was created in the same version. 2. Copy the backup files to the Veeam...

ESX hardware status change however, the change is not reflected in OpsMgr.

The overall health status of the host can be updated in certain scenarios, but the hardware item health status is not correctly updated in OpsMgr. An important symptom is that the health state of the hardware item may be "Unknown" grey in VMware vSphere client...

Backup server is not upgraded to the latest version yet Enterprise Manager error

When adding backup server in Enterprise Manager the error appears: "Backup server "XXX" is not upgraded to the latest version yet"...

Release Information for Veeam Backup for Microsoft 365 8.5

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

Log Files Associated With Deleted Jobs or Tenants Are Not Automatically Deleted

Challenge The diagnostic log files created by Veeam Backup & Replication / Veeam Cloud Connect that are associated with a deleted or disabled job, repository, or tenant are not automatically removed and remain on disk taking up space. Cause This is expected behavior as log file management only...