Veeam Backup & Replication support for vSphere

Purpose This article provides information about compatibility between vSphere and Veeam Backup & Replication. Solution The vSphere versions listed in this article include all applicable patches for those versions. vCenter Server versions and build numbers Build numbers and versions of VMware...

Enterprise Manager: Failed to create website 0x80070020

Challenge Attempting to install/upgrade Veeam Backup Enterprise Manager fails with the following error: Failed to create website 0x80070020 Cause Local antivirus or antimalware software is interfering with the installation process. Solution Disable any local antivirus or antimalware software and...

How to Connect to an Object Storage Repository via Azure Blob Private Endpoints

Purpose This article documents how to configure Veeam Backup & Replication to use Azure Blob Storage Account private endpoints via Azure VPN or Azure ExpressRoute for Scale-Out Backup Repository offload to Capacity Tier or Archive Tier or to connect to an Object Storage Repository in Veeam Backup...

KB2903: vSphere 5.5/6.0 VM Backup fails with "Exception of type 'Veeam.Backup.AgentProvider.AgentClosedException' was thrown"

Challenge When backing up a VM within an environment running vSphere 5.5 or vSphere 6.0 the job fails with: Exception of type 'Veeam.Backup.AgentProvider.AgentClosedException' was thrown Copy Version Requirement The error listed above has many causes. Directly interpreted, it means that a process...

Build Numbers and Versions of Veeam Agent for Microsoft Windows

This KB article lists all versions of Veeam Agent for Microsoft Windows and their respective build numbers. For more information on downloading the latest version of Veeam Agent for Microsoft Windows , visit: Veeam Agent for Microsoft Windows -- Current Version Download Page Veeam Agent for...

High CPU Usage After Upgrade to Veeam Backup for Microsoft 365 6.0

Challenge After upgrading to Veeam Backup for Microsoft 365 6.0, higher than usual CPU usage may be observed during times when no tasks are occurring within Veeam Backup for Microsoft 365. Solution The issue is fixed in Veeam Backup for Microsoft 365 6.0 Cumulative Patch P20220413 6.0.0.379 -...

LTO-9 Support Details for Veeam Backup & Replication 11

Challenge When using Veeam Backup & Replication 11 or 11a before P20211211, Tape Backup jobs and other tape-related tasks may fail for up to 15-30 minutes after a new uninitialized LTO-9 tape is loaded into the Tape Drive. Tasks will fail with an error similar to: Failed to inventory tape in Driv...

“Object reference not set to an instance of an object” error when initiating SharePoint restore

Challenge On a host with both Veeam Backup for Microsoft 365 and Veeam Backup & Replication installed, SharePoint restore initiated from Veeam Backup & Replication fails with "Object reference not set to an instance of an object" error. Cause This error occurs if the content type of a restored it...

Release Information for Veeam Backup for Nutanix AHV Plug-In Hotfix (12.6.0.636)

Requirements To upgrade to Veeam Backup for Nutanix AHV 6.1, download the installer below and run it on the Veeam Backup & Replication server that manages the AHV Backup Appliances. The Veeam Backup for Nutanix AHV 6.1 Plug-In must be installed before updating the Nutanix AHV Backup Appliance. Yo...

Veeam One Web Client / Reporter: Access Denied Error

Challenge When attempting to access the Veeam ONE Web Client, formerly known as Veeam ONE Reporter, the following error is shown on the login page: Veeam ONE Web Client Error Access denied Here is what you can do: Go Home Error Variant 1 Error Variant 2 Cause The Internet Information Services IIS...

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...

How to Configure Azure Storage Account to Leverage Immutability with Veeam Backup & Replication

Purpose This article was designed to complement the information available in the Veeam Backup & Replication User Guide, specifically the required storage account and container settings to align with the Azure Blob Storage Immutability Limitations. This article describes the correct options that...

"Mailbox is not fully configured" Error During Exchange Backup

Challenge A backup job may fail when processing Archive Mailbox objects with the following error: Processing archive mailbox: [email protected] failed with error: Mailbox is not fully configured. Solution This issue was resolved in Veeam Backup for Microsoft 365 8.2 P20251031 build...

Error: Backup proxy is missing C++ runtime components

Article Applicability The error message states that the C++ runtime components are missing, which may be inaccurate. The actual cause of the error is that the VDDK libraries cannot be loaded, which in older versions of Veeam Backup & Replication 9.5 and older was caused by missing C++ runtimes...

Powershell: Cannot connect to backup server because some of its components are out of date

Challenge Connect-VBRServer PowerShell cmdlet fails with the error: Connect-VBRServer : Cannot connect to backup server because some of its components are out of date. Cause This issue occurs when the Veeam Backup & Replication Console files on the remote machine where the command was run do not...

Restore to EC2 Error: "Failed to validate machine: Cannot find a suitable image for the restored machine."

Issue Resolved in Veeam Backup & Replication 12.1 The issue documented in this article was resolved starting in Veeam Backup & Replication 12.1. Veeam strongly encourages all customers to update to the latest version. Challenge A Restore to Amazon EC2 fails with the error: Failed to validate...

VeeamCDP I/O Filter Installation Fails With “The agent’s workflow is blocked” Error

Challenge When attempting to install the VeeamCDP I/O filter on a cluster that will be used for continuous data protection CDP, the installation fails with the following error: The agent's workflow is blocked until its required solutions are re-mediated externally in vSphere Lifecycle Manager...

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...

How to Use Existing Veeam Backup & Replication PostgreSQL instance for Veeam Backup for Microsoft 365 Deployment

Article Applicability This article documents issues that occur when installing Veeam Backup for Microsoft 365 v8 or higher on the same server as an existing Veeam Backup & Replication v12 or higher deployment that is using the included local PostgreSQL instance. The errors described may also occu...

Upgrading/Uninstalling Veeam Backup & Replication fails with "Error 1327. Invalid Drive: [a-z]:\" or "Warning 1327. Invalid Drive [a-z]:\"

Challenge While upgrading or uninstalling Veeam Backup & Replication, the installer stops and displays either of the following messages: Warning 1327. Invalid Drive: F:\ Copy Error 1327. Invalid Drive: F:\ Copy Note: The drive letter in the message may be any drive letter. Cause The settings in t...

“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...

How to Configure File Version Protection

Purpose This article describes how to configure Veeam Data Cloud for Microsoft 365 and Veeam Backup for Microsoft 365 to protect only the latest version of SharePoint, OneDrive, and Teams files, helping organizations mitigate Microsoft 365 throttling risks, reduce backup processing time, and...

CVE-2023-27532

Article Applicability This article documents a vulnerability discovered in a core service of Veeam Backup & Replication and Veeam Cloud Connect. This vulnerability does not affect other Veeam products e.g., Veeam Backup for Microsoft 365, Veeam Agent for Microsoft Windows , Veeam ONE, Veeam Servi...

Task pending with "Resource not ready"

Challenge A task within a job in Veeam Backup & Replication is marked as pending with the message: Resource not ready: backup repository Resource not ready: backup proxy Cause These messages are informational and part of the task concurrency control system within Veeam Backup & Replication. Each...

Replication job fails with "Cannot replicate disk because its capacity was reduced"

Challenge After a VM's disks have been resized to be smaller, the Replication job within Veeam Backup & Replication fails with the following error: Processing Error: Cannot replicate disk Datastore vmfolder/vmname.vmdk because its capacity was reduced Copy Cause This error occurs when Veeam Backu...

"Proxy offline time exceeded” error after updating Veeam Backup for Microsoft 365 to version 4c

Challenge After updating Veeam Backup for Microsoft 365 4c build 4.0.1.531 backups start to fail with the "Proxy offline time exceeded". Cause At the end of every month, Veeam Backup for Microsoft 365 collects licensing information. If your Veeam Backup for Microsoft 365 server is installed on a...

Windows File Level Restore hangs on "Starting restore session"

Challenge Windows File Level Restore hangs on "Starting restore session" for abnormally long period of time while free disk space on drive C:\ keeps decreasing dramatically on the machine where the Veeam Backup & Replication Console is launched. You may that find the following location of the cac...

NATS Server Configuration Advice for Use With Veeam Backup for Microsoft 365

Purpose This article provides advice for optimizing NATS Server configuration when used in conjunction with Veeam Backup for Microsoft 365. Solution When Veeam Backup for Microsoft 365 is deployed using the included NATS Server, the system variable 'GOMEMLIMIT ' is set to 30% of the total system...

OneDrive backup job fails with "Download request retry timeout exceeded"

Challenge During a OneDrive backup, the following error may occur while downloading a OneNote file .one: Failed to backup item: %path%, Download request retry timeout exceeded. This error will only be displayed when using one of the following versions of Veeam Backup for Microsoft 365: v7 P202312...

All Aliases Have Failed

Challenge A Tenant's Backup Job or Backup Copy Job targeting a Cloud Repository fails with the following message: Target gate has rejected connection. Unable to establish target connection. All aliases have failed. The wording of the error might differ, but the root error "All Aliases Have Failed...

Veeam.Archiver.Service terminates due to 'System.OutOfMemoryException' after updating to Veeam Backup for Microsoft 365 7.0.0.3968

Challenge Veeam.Archiver.Service consumes all available virtual memory and then terminates. The issue can be confirmed with the following Windows Events System log: The Veeam Backup for Microsoft 365 Service service terminated unexpectedly. It has done this 1 times. The following corrective actio...

How to Collect Logs for Veeam Agent for Microsoft Windows

Purpose This article explains how to collect the logs required for a Veeam Agent for Microsoft Windows support case. Solution Quick Start Automated Veeam Agent for Microsoft Windows Log Collection If the Windows machines where Veeam Agent for Microsoft Windows is installed has an internet...

VDDK Error 3014 - Insufficient permissions in the host operating system

Challenge A Veeam Backup & Replication task interacting with a VMware environment fails with error: Error --tr:VDDK error: 3014 Insufficient permissions in the host operating system. Value: 0x0000000000000bc6 Cause This error occurs when the account used to communicate with the vCenter does not...

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...

Archiving Job Fails With: "Failed to provision a proxy appliance : Unable to connect by SSH to Appliance."

Challenge An Archiving Job for a Scale-Out Backup Repository fails with the error: Failed to provision a proxy appliance: Unable to connect by SSH to Appliance. Copy Log Example dd.mm.yyyy hh:mm:ss Warning Failed to provision a proxy appliance: Unable to connect by SSH to appliance. dd.mm.yyyy...

Backup Job fails with "This functionality requires using paid Veeam Agent edition" error or Agents discovery session fails with "Remote deployment and management is available for licensed agents only" Error.

Challenge The following error appears during the backup job session, then the backup job fails: This functionality requires using paid Veeam Agent edition. The following error appears during the Agents Discovery session, then the task fails: Remote deployment and management is available for...

Question mark in Veeam Explorer for Microsoft SQL Server meaning

Challenge In Veeam Explorer for SQL, some databases may be listed with a question mark. Despite the question mark and warning, some restore operations may still function. However, some restore details may not auto-populate due to the lack of metadata. Cause The question mark indicates that metada...

How to use "Restore to Amazon EC2" via AWS PrivateLink / Direct Connect

Purpose This article documents how to configure Veeam Backup & Replication to use AWS PrivateLink or AWS Direct Connect to perform Restore to Amazon EC2. This restore configuration also works when the Veeam Backup server has restricted or no public internet access. Region Modification Limitation...

Build Numbers and Versions of Veeam Backup & Replication

This KB article lists all versions of Veeam Backup & Replication and their respective build numbers. For more information on downloading the latest version of Veeam Backup & Replication, visit: My Account Portal - Product Downloads Latest Downloads Page Veeam Backup & Replication -- What's New PD...

Processing configuration Error: The operation is not allowed in the current state. (The VM is in invalid state.)

Article Applicability This article's core error message, "The operation is not allowed in the current state. " may occur during other stages of a replication job or for different job types. This article, KB3000, is specific to when the error occurs during the Processing configuration stage of a...

How to Move the VBRCatalog Folder

Purpose This article documents the procedure for moving the VBRCatalog folder. Solution VBRCatalog Location Requirements The VBRCatalog folder must be on the root of a given drive letter. Example: C:\VBRCatalog\ or D:\VBRCatalog\ The VBRCatalog cannot be redirected to a CIFS share or mapped netwo...

How to Manually Update GPG key on Veeam Hardened Repository Appliance

Article Applicability This article is specifically regarding the Veeam Hardened Repository ISO v2 appliance, which was distributed alongside Veeam Backup & Replication 12. For information about manually updating the GPG key on the appliances associated with Veeam Backup & Replication 13, review...

How to Remove Missing Restore Points From Veeam Cloud Connect Backups

Purpose This article documents how to handle a situation in which the tenant of a Cloud Provider needs to forget missing restore points from a backup chain stored in a Cloud Repository. By design, the Forget and Remove operations are not available for restore points in a Cloud Repository. A resto...

Tape job does not copy source backup files and finishes with "No backup files found"/"No new files found" message

Challenge A tape job finishes with the Success status, but the backup files of a source jobs are not copied. In the tape job statistics, you can find the "No backup files found"/"No new files found" message. Cause Case 1: • The source job is a backup copy job. • At the Choose Media Pool for Full...

Veeam Backup & Replication 11a P20220302/P20230227 Compatibility With vSphere 8.0

Full support for vSphere 8.0 is available starting with Veeam Backup & Replication 12. See KB2443: Veeam Backup & Replication support for VMware vSphere Support Statement Veeam's RnD team has performed extensive testing with Veeam Backup & Replication 11a P20220302/P20230227 and has determined th...

Veeam Best Practices regarding CVE-2021-36934

Challenge This article documents Veeam's position on Windows Elevation of Privilege Vulnerability CVE-2021-36934. Specifically regarding the listed mitigation steps involving removal of all shadow copies, and the "Impact of workaround" mentioned in the Workarounds section of CVE-2021-36934...

"Windows Script Host must be enabled for the duration of setup process"

Challenge While attempting to Install or Upgrade Veeam Backup & Replication, the installer displays the message: Windows Script Host must be enabled for the duration of setup process, Refer to KB4699 for more information https:// www.veeam.com/kb4699. Cause This message is displayed when the...

Veeam Backup Enterprise Manager Vulnerabilities (CVE-2024-29849, CVE-2024-29850, CVE-2024-29851, CVE-2024-29852)

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...

VSSControl: -2147467259 Backup job failed. Cannot collect writers metadata. VSS asynchronous operation is not completed. Operation: [Gather metadata]. Code: [0x80042318].

Challenge A backup job fails with the following error: VSSControl: -2147467259 Backup job failed. Cannot collect writers metadata. VSS asynchronous operation is not completed. Operation: Gather metadata. Code: 0x80042318. Copy Cause The Volume Shadow Copy service within the machine being backed u...

Access to Hyper-V or Veeam B&R Components Fails After DCOM Hardening is Enabled

Article Applicability The issue discussed in this article is not identified solely based on the Veeam errors but rather by their correlation with Windows Event ID 10036, which states: The server-side authentication level policy does not allow the user from address to activate DCOM server. Please...