Backups are removed from UI after manual rescan

Backup files may disappear from UI and jobs may initiate active full backups after manual rescan of the repository. All repository types are affected, especially deduplicated appliances because they p...

Microsoft KB4013429 breaks Hyper-V 2016 Backup

Challenge After installing Microsoft KB4013429 update on a Hyper-V host, Hyper-V backups may fail. Removing the update may cause the host to enter a BSOD loop. Cause The problem appears only if KB4013429 update is installed not on all nodes of a Hyper-V cluster. In more detail, the issue persists...

Full VM restore to a new Datacenter cause deletion of production VM if the name of recovered VM will match production VM name

Challenge Production VM will be deleted without warning if following conditions are met: 1. Full VM restore to vCenter Datacenter, different from original VM Datacenter, VM was running under. 2. Name of recovering VM coincide with existing VM in production. Cause Based on VmWare architecture, it...

Error 1053: The service did not respond to the start or control request in a timely fashion.

Challenge A Veeam-related service fails to start with the following error: Error 1053: The service did not respond to the start or control request in a timely fashion. Cause This error is a generic Windows service error and could be caused by a variety reasons, some of which are discussed in the...

Failed to load module [veeamsnap] | Failed to load module [blksnap]

Challenge A Veeam Agent for Linux backup job fails with either of the following errors: Failed to load module veeamsnap with parameters zerosnapdata=1 debuglogging=0 The number of parameters listed in the error may vary depending on Veeam Agent for Linux version. Failed to load module blksnap Cau...

Packet Capture Use Examples

Intended Audience This article is not intended as a guide to using tshark or tcpdump. Links to the manuals for those products can be found in theMore Information section of this article. This article intends to provide customers with examples of the capture methods used by Veeam Support. There is...

Job Fails with "Retrieved less bytes from the storage [0] than required"

Challenge A Backup or Backup Copy job fails with the error: Retrieved less bytes from the storage 0 than required Symptoms The point may or may not actually be present on the repository when you browse the storage itself. However, the key issue is that the point shows up as 0 B / Incomplete under...

Version string portion was too short or too long

The article describes additional Veeam ONE database configuration required after deploying it manually...

Veeam ONE Database Calculator for Virtual Infrastructure and Veeam Backup & Replication Monitoring

New Interactive Calculator An updated interactive calculator is now available to replace the legacy Excel file included with this article. Veeam ONE Calculator Solution Summary This Veeam ONE database sizing calculator will help estimate the database size required to retain one year of historical...

No Azure storage accounts can be found

Challenge When attempting to perform a direct restore to Azure through the Veeam Backup & Replication console, or via PowerShell Get-VBRAzureStorageAccount, no storage accounts can be found, or the specified storage account is not returned. Cause The storage accounts specified are blob storage...

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...

Backup job fails with “The request is not supported. Failed to duplicate extent” message.

Challenge A backup job targetted at an ReFS based repository fails with " The request is not supported. Failed to duplicate extent" Examples: Agent: Failed to process method Transform.CompileFIB: The request is not supported. Failed to duplicate extent. Target file: vbk, Source file: vib,...

Removing a License from Veeam Backup and Replication or Enterprise Manager

Purpose This article provides information regarding removing licenses from Veeam Backup & Replication and Enterprise Manager. Solution Removing License From Veeam Backup & Replication Limitations If the Veeam Backup & Replication deployment is managed by Veeam Backup Enterprise Manager , the...

Manually Moving Backup Files To or From a Scale-Out Backup Repository

Veeam Cloud Service Provider Specific Starting with Veeam Backup & Replication 12, migrating a tenant's backup files to or from a scale-out backup repository can be performed without the requirement to involve Veeam Technical Support as was needed in previous versions. Please carefully review:...

Connection to Veeam Backup Enterprise Manager Fails After In-Place Upgrade From 2012(R2) to Server 2016/2019

Article Applicability This article documents an issue that is specifically related to in-place OS upgrades from Server 2012 and Server 2012 R2. Challenge After performing an in-place upgrade of the server hosting the Veeam Backup Enterprise Manager database from Server 2012 or 2012 R2 to Server...

vSphere 6.5 backup/replication jobs hang

Challenge vSphere 6.5 backup/replication jobs may hang forever if you're using Windows Server 2008 R2 or Windows 7 backup proxies. Agent…Source.log files contain lines similar to the following: 16.01.2017 16:16:08 vdl| Loading VDDK library. Version: 6.5, directory: 'C:\Program Files...

Release Notes for Veeam ONE 9.5 Update 1

Challenge Release Notes for Veeam ONE 9.5 Update 1 Cause Please confirm you are running Veeam ONE 9.5 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client , the build number should be 9.5.0.xxx. After upgrading, your version build will be 9.5.0.3254...

Veeam Backup for Microsoft 365 1.0 Update 1 Release Notes

Challenge Veeam Backup for Microsoft 365 1.0 Update 1 Release Notes Cause Note: After installing Update 1, please install the latest update. The package contains two files: Veeam.Backup365.msi and VeeamExplorerForExchange.msi. Prior to installing this update please reboot the Veeam Backup for...

Release Notes for Veeam Backup & Replication 9.5 Update 1

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 1 Cause Please note that this is an incremental update of the Veeam Backup & Replication version 9.5...

FLR Fails When VMDK Is Encrypted With HyTrust

Challenge Attempting to restore guest files using Windows File Level Restore fails when the machine's VMDKs were encrypted using HyTrust. Cause As the VMDKs are encrypted, they can not be mounted to be browsed using the File Level Restore browser. Solution To work around this issue, review KB1459...

Backup Failure: "There are currently x usable fault domains. The operation requires y more usable fault domains."

Challenge A Veeam Backup & Replication job protecting a VM stored on a vSAN fails with the error: Error: There are currently x usable fault domains. The operation requires y more usable fault domains. Cause This error is relayed from the snapshot operation failure message within the vSphere...

Restore/SureBackup from old DC restore point fails due to shadow copy expiration

Challenge DC restore results in DSRM boot and event id 1918 from ActiveDirectoryDomainService stating: The shadow copy service cannot restore Active Directory Domain Services because the shadow copy used is too old. Copy Cause The backup of the DC is older than the tombstone period. Active...

Dell EqualLogic Group Manager throws an error "Request target not found" after successful backup

Challenge After a successful backup of VMs stored on Dell EqualLogic storage especially when the option Allow processing of multiple VMs with a single volume snapshot is enabled you may receive an error in Group Manager "iSCSI login to target 'X.X.X.X:Y' from initiator 'X:X:X:X::Z' failed for...

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...

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...

Cannot read event log Veeam MP – Management Servers

Challenge Error accessing event log on SCOM Management servers - Error 31551, 31552 in Event logs. Cause Starting in Veeam Management Pack for Microsoft System Center version 8, Dataset rules are used to collect host security profiles and snapshots. When a collector is installed on an agent, no...

No Transaction Logs Truncated After Backup of Exchange DAG Passive Node

Article Applicability This article documents a niche issue caused by changes being made to the Exchange configuration. Challenge This article is specific to a scenario where all of the following are true: Microsoft Exchange transaction logs are not truncated after the backup completes. The...

VeeamONE SQL Database Log File (ldf) Growth

Challenge The transaction log file .ldf for the Veeam ONE configuration database VeeamONE consumes an unexpectedly large amount of disk space. Cause This occurs when the Recovery Model of the VeeamONE configuration database is set to Full or Bulk-Logged. Note: By deafult, Veeam ONE expects and...

My Account Portal - Role Management FAQ

Click here for Case Administrator FAQ for Veeam Cloud Service Providers Case Opening Restrictions Only users with the roles of License Administrator or Case Administrator are authorized to submit support cases. Please confirm the identity of the License Administrator associated with your company'...

Space Requirements for Backup Copy Jobs

Space Requirements for Backup Copy Jobs...

Upgrade to Veeam Backup & Replication 9.5 fails with "Unsupported SQL Version"

Upgrade to Veeam Backup & Replication 9.5 you receive the error "Unsupported SQL Version"...

Upgrade Fails With “Unable to use database VeeamBackup, because it has an unsupported compatibility level”

Challenge When attempting to upgrade Veeam Backup & Replication software, the following error occurs: Unable to use database VeeamBackup, because it has an unsupported compatibility level SQL Server 2012 or later is required. Cause The database being used for the upgrade is either running on an...

Unable to install Backup Enterprise Manager

Challenge Attempting to install Backup Enterprise Manager results in a 'fail' during port selection, with the specified HTTPS Port being unavailable. Cause The port is already consumed by the World Wide Web Publishing Service Solution Disable the World Wide Web Publishing Service, proceed with th...

Release Notes for Veeam Management Pack 8.0 Update 3

Challenge Release Notes for Veeam Management Pack 8.0 Update 3 Cause Please confirm you are running Veeam Management Pack 8.0 prior to installing this update. You can check this in Operations Manager console under Administration | Management Packs, the build number should be 8.0.0.2218 or later. ...

Notification emails are not sent for backup jobs

Notification emails are not sent for backup jobs...

NetApp hardware VSS provider limitation

Challenge Hyper-V Backup/Replication Job utilizing NetApp Data ONTAP VSS Hardware Provider reports warning or error message: "Another shadow copy creation is already in progress. Please wait a few moments and try again" Cause NetApp hardware VSS provider doesn't allow concurrent snapshot creation...

ConfigStoreRootPath Cluster Parameter Is Not Defined

Challenge This article describes how to fix the warning/error "ConfigStoreRootPath cluster parameter is not defined" appearing in the following situations: When attempting to add a Windows Server 2016 and later Hyper-V cluster to the Veeam Backup & Replication Console. When attempting to backup a...

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...

How to Change Veeam ONE Data Collection Mode

Purpose This article documents how to change the Data Collection Mode used by Veeam ONE. Solution Change Data Collection Mode after Installation 1. Open the Veeam ONE Setting Utility. 2. In the Veeam ONE Settings Utility , select Scalability. 3. Choose the desitred Data Collection Mode and click...

Veeam Backup & Replication 9.5 Day 0 Update

Challenge This update is provided to enable upgrading existing installations of Veeam Backup & Replication 9.5 partner preview RTM build 9.5.0.580 to generally available version of Veeam Backup & Replication 9.5 GA build 9.5.0.711. This update addresses a number of issues reported by our partners...

"Use Windows Session Credentials" options does not work for Veeam ONE Reporter and Business View websites

Challenge When using Internet Explorer , Veeam ONE Reporter and Business View websites keep asking for Windows credentials at logon despite enabling the "Use Windows session credentials" option. NOTE: Business View website is not available since version 9.5 Update 4. It was integrated with the...

Microsoft Exchange logs are not being truncated in Veeam Backup and Replication 9.5

Challenge After upgrade to version 9.5.0.711 Microsoft Exchange logs no longer get truncated. In the Windows Application event logs you might get an error with an event ID 2034. Cause This is a known issue in build 9.5.0.711. If you disable Microsoft SQL logs truncation in Job properties then...

Cannot find anymore diff area candidates for volume

Challenge Backup or replication of a Windows OS fails. In the Windows event logs of the machine being backed up, there is an error with ID 8193 from source VSS: Volume Shadow Copy Service error: Unexpected error calling routine Cannot find anymore diff area candidates for volume...

CID Mismatch in VMware on Restore with Backup and Replication V9 installed on Server 2008R2

Challenge Upon restore using Veeam Backup and Replication V9X you receive a CID mismatch error when you are on vSphere 5.5 Update 3b Cause This is a known issue with restoring with the option to use VM tags is enabled in vSphere 5.5 Update 3b Solution Known workarounds: 1. Upgrade Backup and...

Deduplication Ratio Does Not Reflect Deduplicating Storage

Challenge In the backup properties, the "Data Size" or "Backup Size" is larger than expected, or the "Deduplication" column in the backup statistics is different from the ratio reported by duplicating storage appliances. Cause Veeam Backup & Replication does not request information from storage...

High Veeam ONE Database IOPS Index

Challenge Starting with version 9, Veeam ONE database server shows high IOPS usage of approximately 700-800 operations per second with regular spikes exceeding 2500 operations every 5 minutes. Cause As a real-time monitoring solution, Veeam ONE actively performs input-output operations against it...

Windows 10 VM Hyper-V Guest processing skipped on 2012 R2 Host

Challenge A Backup Job for a Windows 10 VM running on a 2012 R2 Hyper-V Host will fail to engage VSS when application-aware image processing is enabled, generating the error: Error Guest processing skipped check guest OS VSS state and integration components version System.Exception Cause This...

PowerShell Script Execution Troubleshooting Advice

Veeam Support Scope Per Veeam Support Policy: Custom script troubleshooting is not supported. What's in Scope: Confirming that the Veeam task executed the script. Assisting with Veeam PowerShell cmdlets not functioning as intended or documented. What's Out of Scope: Troubleshooting why a custom...

Veeam Backup & Replication Local Privilege Escalation Vulnerability

Challenge The vulnerability allows any local Windows user with low privileges, such as the ones provided to an anonymous IIS's virtualhost user, to access Veeam Backup logfiles and extract the password, used to run Veeam components, which is stored as a doublebase64 encoded string. Cause The...

Restore Fails for Database with Consecutive Backslash Characters in File Path

Challenge Veeam Explorer for Microsoft SQL Server reports the error: Inconsistent database metadata. See the log for details. Cause One or more database file paths contained multiple consecutive backslash characters when the SQL server was backed up. Solution Clarifying Issue This issue cannot be...