Backup Copy Retention

Purpose This article is intended to document how Backup Copy's retention is enforced. Solution Starting with Veeam Backup & Replication 11, there are two diferent retention policy schemes for backup copy jobs: Short-Term Retention Policy GFS Retention Policy Weekly, Monthly, Yearly More Informati...

No VM names for Hyper-V in SCOM

Challenge The Hyper-V topology is discovered correctly, however, the Display Names of Virtual Machines are listed as their VM IDs. Example: Additionally, error events 3603 are logged in the OperationsManager event log on the Hyper-V server: VMDiscovery.js : 'vmid' is null or not an object error...

Reverse Incremental – Animation of Method and Retention

Purpose This article is intended to document how Reversed Incremental works, and how its retention is enforced. Reverse Incremental Backup Method For information regarding this Backup Method please review the user guide. Reverse Incremental Restore Point Creation The following is an animation...

Hyper-V Changed Block Tracking Troubleshooting

Challenge Backup and/or Replication jobs report that changed block tracking is not working properly. Article Applicability This article is only relevant when Veeam Backup & Replication is used with the following Hyper-V versions. In these older versions of Hyper-V there was no native CBT function...

Forward Incremental – Animation of Method and Retention

Purpose This article is intended to document how Forward Incremental works, and how its retention is enforced. Solution There are two distinct methods of Forward Incremental: Forever Forward Incremental Forward Incremental with Periodic Fulls Forever Forward Incremental For more information...

Cannot Register Management Service. The Specified Service Has Been Marked for Deletion.

Challenge A Backup or Replication job using Application-Aware Processing fails with an error similar to: Failed to prepare VM for processing: Unable to perform installation Unable to register and start service. Attempt 10 of 10 Cannot register management service. Service name: VeeamVssSupport...

Entire VM restore fails with 'An error occurred while taking a snapshot: Error.'

Challenge Entire VM Restore fails with: An error occurred while taking a snapshot: Error. Cause This can occur when a workingDir entry in the VMX causes the VM to attempt to direct snapshots to a different datastore that is not present in the site where the restore is taking place. Solution To...

Veeam ONE 7.0 Patch 2 Release Notes

Challenge Release Notes for Veeam ONE 7.0 Patch 2. Cause Please confirm you are running Veeam ONE 7 or Veeam ONE 7R2 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client, the build number should be 7.0.0.xxx. After upgrading, your version build will b...

How to Use Windows Management Instrumentation (WMI) Tester [WBEMTest] to Test WMI Connectivity

Purpose This article documents how to use Windows Management Instrumentation WMI Tester WBEMTest to test connectivity, which can assist in troubleshooting and isolating WMI-related issues with Veeam products. Solution Opening Windows Management Instrumentation WMI Tester 1. Open a Run prompt. Pre...

Throttling Rules Not Being Applied

Challenge A configured Network Throttling rule does not appear to be taking effect. Solution Traffic can only be throttled between backup infrastructure components where the Veeam Data Movers are deployed. These components differ depending on a data protection scenario. For more information, revi...

Windows Server IoT/Windows Storage Server — Support Statement

Support Statement At Veeam, we understand that some customers may have hardware that comes pre-installed with Windows Server IoT or Windows Storage Server, and they may want to use these to fill the role of Veeam-product component servers. While Windows Server IoT and Windows Storage Server are...

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...

Failed to call RPC function 'StartAgent': Timed out requesting agent port for client sessions.

Challenge A task fails with the error: Error: Failed to call RPC function 'StartAgent': Timed out requesting agent port for client sessions. Cause These errors may occur because of either: A firewall prevents the remote machine from initiating communication on one or more of the assigned...

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...

Monitoring of vSphere 4.x fails with Veeam MP v7

Challenge Though everything is configured correctly and you have successfully added vCenter 4.x or standalone ESX 4.x to Veeam Extensions as a Monitoring target, no data is shown in SCOM and you can see "Veeam VMware Collector: VMware connection is unavailable" alerts . Additionally, the followin...

“Invalid Credentials” Error Adding a Hyper-V Host Using a Local Account

Article Applicability This article relates to an error that only occurs when Veeam Backup & Replication is deployed on a Windows machine. With the Veeam Software Appliance, to add a Hyper-V host using credentials, it requires that both the appliance and the Windows machine are added to the same...

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...

How to restore vCenter Server without a vCenter Server

Challenge The vCenter Server is not available and the vCenter Server VM needs to be restored. Solution To restore the vCenter Server, you will need to add one of the individual ESXi hosts to Veeam Backup & Replication, allowing you to target that host directly to restore the vCenter VM. Possible...

SCOM console crashes when opening widget personalization dialog

Challenge When opening the Personalization dialog for any State View widget, the widget appears empty, and the Operations Manager Console crashes Cause There is a specific new widget declaration which can cause issues while loading other widgets. Solution Download Veeam Widget Library MP 7.0.0.18...

Job Fails to Start Due to Timeout Caused by Desktop Heap Allocation Failure

Article Applicability The timeout error displayed in Veeam Backup & Replication can be caused by various factors. This article explicitly addresses a scenario where the Windows OS experiences a 'heap allocation' failure. Please note that the solution provided in this article is only applicable if...

Using the vSphere MOB (Managed Object Browser) to Troubleshoot Snapshot Creation

Purpose This article documents the procedure for manually creating a vSphere VM snapshot using the Managed Object Browser MOB. Solution Start by identifying the Managed Object Reference-ID MORef-ID of the VM for which the snapshot will be created. If the VM is being protected by Veeam Backup &...

Failed to load jet library

Challenge The following error occurs when attempting to perform a restore using Veeam Explorer for Exchange: "Failed to load jet library from C:\ProgramData\Veeam\Backup\ExchangeExplorer\ESE\V15\ese.dll" Solution To solve, upgrade to Internet Explorer 10+ as it contains the necessary Windows file...

Cannot uninstall Veeam MP because Microsoft.SystemCenter.SecureReferenceOverride MP is dependent

Challenge During an attempt to uninstall Veeam Management Pack for Microsoft System Center a message appears stating that Microsoft.SystemCenter.SecureReferenceOverride MP is dependent on Veeam Base Discovery MP: Cause The Microsoft.SystemCenter.SecureReferenceOverride contains information...

vCloud jobs are not shown in SCOM views of Backup jobs

Challenge In Backup Job views under SCOM Monitoring, all backup jobs are discovered by Veeam Management Pack for Veeam Backup except for vCloud vCD backup jobs. Cause The behavior is caused by a known issue and fixed in Veeam Management Pack v7. Solution Upgrade to most recent version. More...

Change Managed Server Name/FQDN/IP in Veeam Backup & Replication

Usage Exceptions The method documented in this article is only to be used for changing the Name/FQDN/IP of a managed server--specifically, those servers listed under the Managed Servers node of the Backup Infrastructure view. Please be mindful of the following usage exceptions. DO NOT USE 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...

"Virtual machine has ‘X’ megabytes of memory which is larger than the maximum ‘X’ megabytes supported by the datastore.”

Challenge Error "Virtual-machine-has-X-megabytes-of-memory-which-is-larger-than-the-maximum-X-megabytes-supported-by-the-datastore" can occur with Other OS FLR, Instant Recovery, or SureBackup. Cause Assuming the VeeamBackup datastore is present and not being used the first troubleshooting step f...

Task for VM on ESXi 5.5 or 6.0 fails with "VDDK Error: 1"

Article Applicability This article discusses an issue resolved in ESXi 5.5 Patch 08 and ESXi 6.0 Patch 03. If the error "VDDK error: 1 Unknown error." occurs with an ESXi host running a version more recent than ESXi 5.5 Patch 08 or ESXi 6.0 Patch 03, it is advisable to engage with both VMware...

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...

VMware high latency feature resets to 'normal' after snapshot removal

Challenge The Latency Sensitivity option resets to 'normal' after VMware snapshot removal. This behavior persists regardless of any settings. Cause This is a known issue in ESXi 5.5.x. Please see the following KB article for more information: http://kb.vmware.com/kb/2079787 Solution This issue wi...

VM Uptime in Hyper-V Manager Might Reset During Backup

Article Applicability This article is relevant only to Hyper-V on Server 2012 and Server 2012 R2. Note: Server 2012 R2 reached end-of-life on October 10, 2023. Offline backup or saved state backup is a native Microsoft Hyper-V approach to quiesce VMs before taking a volume snapshot. Offline backu...

Operation was canceled by user

Challenge Job fails with error message: Error Operation was canceled by user Cause The two main causes of this error are: 1. A backup window has been configured within the job. 2. The user canceled the job. Solution If the issue was caused by a backup window, please reconfigure the backup window...

Release Information for Veeam Backup & Replication 7 Patch 4

More Recent Version Available Please find the latest version of Veeam Backup & Replication here: Veeam Downloads - Latest Version Challenge Veeam Backup & Replication Patch 4 Release Notes Cause Please confirm you are running version 7.0.0.690, 7.0.0.715, 7.0.0.764, 7.0.0.771, 7.0.0.833, 7.0.0.83...

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...

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...

The negotiation of encryption algorithm is failed

Challenge When trying to restore files from a Veeam appliance to the original location using Other OS restore, the following error is received: "The negotiation of encryption algorithm is failed" Cause Between Linux flavors, certain Ciphers may be enabled or disabled by default or by local policy...

How to migrate Veeam Backup & Replication or Veeam Backup Enterprise Manager

Veeam Backup & Replication Migration Details regarding Veeam Backup & Replication migration are now fully documented in the product user guide. Please review the following documentation: Migrating Veeam Backup & Replication to Another Server Other Migration Types: Migrating Veeam Backup &...

Tape Jobs fail with I/O errors or (SCSI) Bus resets

Challenge Failures occur during the File to tape or Backup to tape jobs. The jobname.log shows error messages similar to: error: The request could not be performed because of an I/O device error error: Tape fatal error.\nThe I/O bus was reset Cause Depending on the type of connection, controller ...

All instances of storage metadata are corrupted

Challenge A task in Veeam Backup & Replication fails with the error: All instances of storage metadata are corrupted. Copy Cause It's important first to understand what the "storage metadata" is. The storage metadata is akin to an MFT master file table for the Veeam Backup & Replication backup...

How to Start a New Backup Chain

Purpose This article documents how to force a backup or backup copy job to start a new backup chain by disconnecting the existing restore points from the job. Solution Please ensure that the destination repository will have sufficient space to start a new backup set. Veeam Backup & Replication 12...

Backup Catalog Service does not start. Error "Can't upgrade database in readonly maintenance mode!"

Challenge This KB applies only if the "Veeam Backup Enterprise Manager" service is present. The "Veeam Backup Catalog Data Service" will not start, and the following error is found in event viewer. "Service cannot be started. Veeam.Backup.Common.CRegeneratedTraceException: Failed to start service...

Automount is Disabled on VMware Backup Proxy

Challenge The Windows OS of a VMware Backup Proxy reports that automatic mounting of new volumes is disabled. Solution The automatic mounting of new volumes being disabled is an expected outcome for VMware Backup Proxies. As documented in the Veeam Backup & Replication User Guide: For Microsoft...

Unable to mount disk: unsupported disk type

Challenge When attempting to perform a Guest Files Windows Restore the operation fails with the following error: Unable to mount disk: unsupported disk type Solution It is critical that the Microsoft Windows File Recovery page in the user guide is reviewed to confirm restore compatibility. There...

SQL Server Fails with error VSSControl: -2147024809 Backup job failed. Discovery phase failed.

This KB provides information when SQL fails with this error due to a logical file path...

Error "Unable to communicate with the remote host, since it is disconnected." with replication or restore

Article Applicability The error, "Unable to communicate with the remote host, since it is disconnected. " may occur for many reasons, some more straightforward than others. This article is specifically related to a more obscure scenario where the destination ESXi host runs a vSphere version that...

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...

Exchange Logs Not Being Truncated

Challenge This KB provides troubleshooting advice for investigating an apparent Exchange log truncation issue. Cause Exchange truncation may not occur for the following reasons: The Backup Job is not configured to trigger truncation. The VSS operation occurring during the job is not notifying the...

JetError -1404, JET_errIndexNotFound, No such index

Challenge When trying to open a database in VEAD, you receive the following error message: JetError -1404, JETerrIndexNotFound, No such index Solution Log in to the domain controller from which you are trying to restore the database, run cmd as Administrator and run the following: 1. Type regsvr3...

Unable to retrieve next block transmission command when backing up to tape from a Linux repository

Challenge When backing up to tape from a Linux repository, the following error may appear: Unable to retrieve next block transmission command. Number of already processed blocks: number of blocks. The log file contains the following information: cli| WARN|Tape Default EOM Warning 2147483648!...

Failed to open VMDK. ESXi 5.5 and Veeam 7.0.0.764+

After updating Veeam or VMware such that a combination of ESXi 5.5 and Veeam 7.0.0.764 or higher exist within the environment, the jobs fail with error “Failed to open VMDK” and/or “Host not licensed...