Zlib decompression error: [-3] | Failed to decompress LZ4 block

Challenge A Backup Job or Restore fails with either of the following errors: Zlib decompression error: -3. or Failed to decompress LZ4 block: Cause When the software reads from a an existing restore point it performs error detection using Cyclic Redundancy Checks CRC to validate the data. The err...

0x80042316 or Error: VSSControl: -2147212522

Challenge A backup job using Application-Aware Processing fails with the errors: Failed to create snapshot. Error code -2147212522. 'Backup job failed. Error VSS error: VSSESNAPSHOTSETINPROGRESS. Code:0x80042316 Solution Error code: 0x80042316 and Error code -2147212522 both represent the VSS...

An error message "Collecting thread has failed to initialize (Time difference between Veeam Monitor server and ESX host is too large. Make sure that NTP is enabled on ESX host and try again.) and will be stopped" in Veeam Monitor

Challenge The error "Connection problems" appears with vCenter server or ESXi host in Veeam ONE Monitor client infrastructure view. vCenter server or the ESXi host becomes grayed out: No data goes to the Veeam ONE Monitor client and into the Veeam ONE database. vCenter server or ESXi might be...

Vulnerability Resolved in Veeam Backup & Replication 12.3.2.4854

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 12.3.2.4854. This vulnerability does not affect any version 13.x build of Veeam Backup & Replication due to architectural changes starting in version 13. Veeam Software Security Commitment Veeam® is committ...

Support Statement — Microsoft 365 Changes to Throttling Enforcement

Support Statement This article documents upcoming changes Microsoft is making to application throttling enforcement in Microsoft 365 environments and its potential impact on customers using Veeam Backup for Microsoft 365 and Veeam Data Cloud for Microsoft 365. What's changing? Microsoft has...

Build Numbers and Versions of Veeam Plug-ins for Enterprise Applications

Plug-In Download The latest version of all Plug-Ins for Enterprise Applications can be found at the bottom of the My Products page within the My Portal, in the Application Plug-Ins under Additional downloads. This table lists the Veeam Plug-ins for Enterprise Applications organized by their build...

Support Statement regarding Microsoft CVE-2023-24932

Challenge Microsoft recently released update KB5025885 containing changes to secure boot. These changes require specific actions to be taken to continue using Veeam Agent for Microsoft Windows bare metal recovery media and other restore operations. After applying the Microsoft Update with...

Veeam Recovery Media creating fails with "This access control list is not in canonical form and therefore cannot be modified" error

Challenge During a Veeam Agent for Microsoft Windows backup job the following warning occurs: Collecting recovery media files Details: This access control list is not in canonical form and therefore cannot be modified. Copy The warning may appear in the following cases: Veeam Recovery Media is...

Could not invoke guest operation error in a job when using vSphere API for Guest OS connection

Challenge When Microsoft User Profile Disks for example, in a Windows RDS farm are used, Veeam Application Aware Image Processing through vSphere API may fail with the following error: Could not invokeguestoperation. Cause When processing Guest OS data through vSphere API, Veeam needs to deploy a...

File is locked by running session

Challenge A job or task within Veeam Backup & Replication displays the following message: File is locked by running session jobname Cause When tasks run in Veeam Backup & Replication, the files accessed by those tasks are tracked within the configuration database to prevent collision. As tasks ar...

SCVMM Server Component Upgrade Fails After Upgrading to Veeam Backup & Replication 13

Challenge After upgrading Veeam Backup & Replication to version 13, attempts to upgrade the remote components on a highly available System Center Virtual Machine Manager SCVMM management server using the Veeam Backup & Replication Console fail with the following error: Failed to create persistent...

“The default account is not initialized” error is displayed when adding an IAM role to Veeam Plug-In for AWS

Challenge The Default Backup Restore IAM role is not created upon the Veeam Plug-In for AWS installation. Attempts to add IAM roles to Veeam Plug-In for AWS in the Add Account wizard fail with the error: The default account is not initialized Cause The backup server cannot access the required AWS...

How to configure Email Notifications when using Gmail or Google Apps Mail in Veeam ONE

Challenge You need to configure email notifications to be sent to a Gmail or Google Apps Mail account in Veeam ONE. Cause Use of port 587 is required for TLS when communicating with Gmail or Google Apps Mail. Solution Set the Port to 587 in Veeam ONE console Options Server Settings SMTP Settings...

Windows VSS Writers and Corresponding Service Names

Purpose This article documents VSS Writers and their corresponding Windows services. For more information, reference Microsoft's In-Box VSS Writers article. Solution VSS Writer Name | Service Name | Service Display Name ---|---|--- ASR Writer | VSS | Volume Shadow Copy BITS Writer | BITS |...

Could not apply snapshot: Device has active dirty bitmaps

Challenge When the user attempts to use the Rollback function for a snapshot on a Proxmox Virtual Environment PVE Virtual Machine VM that is protected by Veeam Backup & Replication, the following error occurs: qemu-img: Could not apply snapshot '%%': Device has active dirty bitmaps Cause This err...

Inventory of Non-initialized LTO-9 Tape Fails for HPE MSL2024 and 1/8 G2 Autoloader Tape Libraries

Challenge If Veeam Backup & Replication attempts to load an LTO-9 tape that has not been initialized or has an unknown status in the library, the library will report the error Source Not Ready error SCSI Check Condition 05/4481. Error MTSCSI PASS THROUGH DIRECT ended with Scsi Error Fixed format,...

exFAT Filesystem May Corrupt Veeam Backup Files

Challenge Testing performed in Veeam labs has determined that, in rare cases, Veeam backups may become corrupted when stored on the exFAT file system. Cause The issue appears to be related to a buffer management issue in the exFAT file system driver. There are no similar issues on other, more...

How to Test the Creation of Production Checkpoints in Hyper-V 2016 and Newer

Purpose This article documents how to force Hyper-V 2016 or newer to create a Production Checkpoint. Cause Forcing Hyper-V to create a Checkpoint in ProductionOnly mode is used as an isolation step when troubleshooting a Veeam job that fails to create a Recovery Checkpoint with Application-Aware...

How to Collect Logs for Veeam ONE

Purpose This article documents the process for gathering diagnostic logging from Veeam ONE. Solution Part 1: Collecting Veeam ONE Application Logs 1. Open the Veeam ONE Settings Utility Run: C:\Program Files\Common Files\Veeam\Veeam ONE Settings\VeeamOneSettings.exe 2. In the lower-left corner,...

Credentials Test or Job Fails when attempt to use VIX

Challenge When using Veeam Backup & Replication with a VMware environment the following error may be seen when using the Guest Credentials Test or when processing a VM that is in a DMZ or Isolated environment. Failed to prepare guest for hot backup. Error: Failed to connect to guest agent. Errors...

How to Manually Repair a VMware Replica created by Veeam

The actions documented in this article should never be performed on a production virtual machine VM , as they intentionally lead to the VM losing data. That data loss is only acceptable with a Veeam replica, because the replica will be repaired and brought back up-to-date when the next replicatio...

How to Install, Change, or Remove the Veeam ONE License

Purpose This article documents how to manually install, change, or remove a license for Veeam ONE. Solution Install License 1. Open Veeam ONE Client. 2. Click the Main Menu ≡ in the top-left corner. 3. Click License. 4. In the dialog window that appears, click Install License. 5. Using the file...

How to Exclude Machines from Proactive Malware Scanning

Article Applicability This article is relevant only to Veeam Backup & Replication 13.0.x builds. Starting with Veeam Backup & Replication 13.1 the Proactive investigation feature can now be enabled or disabled for individual protected machines using the Veeam Backup & Replication Web UI. Purpose...

Release Information for Veeam Backup for Microsoft 365 8.2 and Cumulative Patches

More Recent Version Available Please find the latest version of Veeam Backup for Microsoft 365 here: Veeam Downloads - Latest Version Build Numbers and Versions of Veeam Backup for Microsoft 365 Requirements This release can be used to: update manually from a previous Veeam Backup for Microsoft 3...

Dell Unity Storage - "Unable to validate the specified certificate (Error Code: 0x1000100)"

Challenge When attempting to add a Dell Unity Storage Appliance that has been upgraded to firmware version 5.5 to Veeam Backup & Replication or operate backups to such storage, the following error occurs: Unable to validate the specified certificate Error Code: 0x1000100 Cause An investigation by...

Release Information for Veeam Backup for Microsoft 365 7a Cumulative Patches

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

How to Export SQL Logs

Purpose This article documents how to export logs from the two SQL database engines used by Veeam Backup & Replication: Microsoft SQL Server PostgreSQL Solution Microsoft SQL Server Log Collection The following steps require Microsoft SQL Server Management Studio SSMS. 1. Open Microsoft SQL Serve...

Backup and Replication jobs fail with the following error: "CDeviceBase: resize is not supported. Failed to download disk"

Challenge Backup and Replication jobs fail with the following error: "CDeviceBase: resize is not supported. Failed to download disk". The following conditions must be met: 1. Veeam 8 Update 2 8.0.0.2021 or later 2. Backed up VM is running on ESXi 5.5 or later 3. Hot Add transport mode is used 4. ...

Release Information for Veeam Plug-In for Microsoft Azure 8.1 Patch 2

Requirements Please confirm that you are running version Veeam Plug-In for Microsoft Azure 8 build 8.0.0.334 or later before upgrading. You can find the currently installed build number Product version in the About section under Configuration | Support Information | Updates. After installing Veea...

PostgreSQL Connection and Authorization Information

Article Applicability This article provides general information regarding PostgreSQL configuration and connectivity. The details are based on and tested exclusively with Windows-based PostgreSQL instances installed by Veeam products such as Veeam Backup & Replication, Veeam ONE, and Veeam Backup...

403 Forbidden Message When Accessing Veeam Data Cloud App

Challenge Attempting to load the Veeam Data Cloud app webpage fails with the error: 403 Forbidden Microsoft-Azure-Application-Gateway/v2 Cause The HTTP status code "403 forbidden--you don't have permission to access this resource" is displayed when a web server recognizes a user's request but is...

Veeam Recovery Orchestrator Vulnerability ( CVE-2024-22021 |  CVE-2024-22022 )

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...

Licensing Requirement Changes in Veeam Recovery Orchestrator 7

Article Applicability The license changes detailed in this article do not affect Veeam Cloud Service Providers due to how rental licenses are generated, operated, and supported. Summary Due to enhanced integrations and architectural changes across the Veeam Data Platform, there are new license...

StoreOnce and Veeam Immutability Compatibility

Challenge A backup job that targets an HPE StoreOnce Catalyst repository may display either of the following messages: In Veeam Backup & Replication 12.0, the job will fail and display the error: OSCLTERRIMMUTABLEEPOCHREQUESTEXCEEDSMAXIMUM. Err: -1817 In Veeam Backup & Replication 12.1, the job...

How to Change Where SQL Transaction Log Backups Are Temporarily Stored on SQL Server

Purpose This article documents how to change the location where SQL transaction log backups are temporarily stored on a SQL server before being transferred to the repository. This article is relevant to the following parent-job types where SQL Transaction Log Backup can be used as a child-job:...

Veeam Agent for Microsoft Windows deployment fails with “Failed to call RPC function 'PckgCheckSignature'

Challenge When adding a computer to a protection group, the Veeam Agent for Microsoft Windows deployment begins and then fails with the following error: Info UploadManager Checking windows package 'C:\ProgramData\Veeam\Agents\VAW\VeeamB&REndpointx64.msi' signature on host 'HOSTNAME' Error Failed ...

Release Notes for Veeam Backup & Replication 9.5 Update 2

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 2 Cause Please confirm you are running version 9.5.0.580, 9.5.0.711, 9.5.0.802, or 9.5.0.823 prior to...

How to configure Email Notifications when using Gmail or Google Apps Mail

Solution Select the product below to be taken to the product-specific information for using Google Gmail to send email notifications. Veeam Backup & Replication v12 Veeam Backup & Replication v13 Veeam ONE v12 Veeam ONE v13 Veeam Backup for Microsoft 365 v7+ Veeam Agent for Microsoft Windows v6+...

How to Create a Custom SureBackup Test Script

Purpose This article provides information about creating custom SureBackup roles and scripts which can be used to enhance SureBackup testing. Solution Information regarding custom SureBackup roles can be found here: https://helpcenter.veeam.com/docs/backup/vsphere/creatingxmlfiles.html Informatio...

How to Identify and Repair Files That Cannot Be Opened After Restore

Updated for Veeam Backup for Microsoft 365 8.6 This article has been updated to document new Integrity Check capabilities included with Veeam Backup for Microsoft 365 8.6. The integrity check can now process JET-based repositories and immutable repositories. Important: Veeam Backup for Microsoft...

Hardened Repository error: "veeam-grp-backup group has no rights on the backup folder"

Challenge When editing the properties of a Hardened Repository that has been upgraded to Veeam Hardened Repository version 13 for Veeam Backup & Replication 13 using the Veeam Infrastructure Appliance ISO, and was originally created using the Veeam Hardened Repository ISO version 2.0 for Veeam...

Hypervisor Restore Options are Greyed Out in Context Menu

Challenge When attempting to restore an entire VM, some hypervisor options are greyed out in the right-click context menu. Solution This issue is currently under investigation and is scheduled to be addressed in a future patch. For now, there are two workarounds available: Select the machine to b...

Release Information for Veeam Backup for Microsoft 365 8.1 and Cumulative Patches

More Recent Version Available Please find the latest version of Veeam Backup for Microsoft 365 here: Veeam Downloads - Latest Version Build Numbers and Versions of Veeam Backup for Microsoft 365 Requirements This release can be used to: update manually from a previous Veeam Backup for Microsoft 3...

Repeat Email Notification: "License update interrupted: Paid license is not installed."

Challenge After installing or upgrading to Veeam Backup for Microsoft 365 version 8 using Community Edition or an NFR Not-For-Resale license, email notifications are sent daily that state that state: Veeam Backup for Microsoft 365 Failed to update license License updated interrupted: Paid license...

How to Exclude Applications from Dashboard & Compliance Reporting

Purpose This article provides steps to exclude system namespaces from the Veeam Kasten for Kubernetes dashboard and compliance reporting. Solution Explanation Veeam Kasten for Kubernetes automatically discovers all application namespaces of the cluster on which it is deployed. Each of these...

Veeam Agent for Microsoft Windows Vulnerability (CVE-2024-29853)

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...

Upgrading Veeam Agent for Microsoft Windows from 5.0.x to 6.1.x fails with: Failed to migrate data to new database.

Challenge When attempting to upgrade Veeam Agent for Microsoft Windows from version 5.0.x to version 6.1.x, after selecting the option to "Preserve all setting from your previous product installation," the migration of the configuration database fails with: Failed to migrate data to new database:...

Exchange Backups failing with "Failed to access mailbox" starting September 13th, 2023

This issue is related to EX675238 listed in the Microsoft Health Dashboard, which caused some M365 environments to have issues with RESTAPI calls used to access the mailboxes externally...

WDAC Supplemental Policy for Veeam Backup & Replication Components on Azure Local

Azure Local is the new name for Azure Stack HCI Azure Stack HCI is now considered part of Azure Local. Learn more about this rename in the Microsoft Documentation: Renaming Azure Stack HCI to Azure Local. Veeam Backup & Replication Version Requirement The solution documented in this article...

List of Security Fixes and Improvements in Veeam Agent for Microsoft Windows

Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Agent for Microsoft Windows. This article aims to provide our customers' security and compliance teams with detailed information on security improvements between releases to he...