Veeam kb vss logs Note: To exclude databases from Transaction Log Backup Jobs, review: How to exclude MS SQL Databases from SQL Log backup. Fortunately it started, but Veeam does not. To offer better Feb 9, 2016 · System-Wide Log Collection Option 1: Use Built-In Wizard Driven Log Generator For providers with newly configured infrastructure or a few tenants, use the built-in log generator tool to gather logs from all managed servers related to the issue. Select the Collect logs option. 0, the default VSS snapshot type was Full (VSS_BT_FULL). With this option selected, Veeam Agent for Microsoft Windows creates a backup and additionally copies Microsoft SQL Server transaction logs or Oracle archived logs and saves them to the backup location next to the backup files. Notes: Please understand that some jobs may take some time to stop. Aug 13, 2024 · Veeam Explorer for Microsoft SharePoint Veeam Explorer for Microsoft SharePoint allows you to restore and export Microsoft SharePoint data from backups, snapshot replicas, CDP replicas, VeeamZIP backups or storage snapshots created by Veeam Backup & Replication. 0 shares as VM storage, update the Veeam Hyper-V Integration Service to change the Log On As from 'Local System account' to a domain account that meets the following requirements: The domain account is a member of the Local Administrator group on the Hyper-V host. Dec 13, 2018 · Job will fail with the error Failed to call RPC function 'Vss. Veeam Agent logs for computers of all protection group types are stored on the Veeam backup server. Nov 9, 2023 · Hello Nutanix has made changes to the application-consistent snapshot, so the logs from the Exchange are not truncated: Until Nutanix 6. Apr 27, 2015 · Veeam Backup & Replication will display the warning related to this KB if it detects that the server being backed up is part of a SQL Always On group and another node in that group is already being processed by SQL Transaction Log Backup. Cause Veeam products use Microsoft Volume Shadow Copy Service (VSS) for various tasks Dec 2, 2024 · SQL Transaction log backup seems to be failing with "Failed to perform internal backup. Mar 5, 2024 · KB1980: Using the Diskshadow Utility to Manually Test VSS Operations (veeam. If a problem occurs in any part of this process, a troubleshooting action will be necessary. That is why this KB article documents collecting logs using the Veeam ONE Settings Utility instead. On this we have veeam backup and replication. May 2, 2023 · This article explains how to collect the logs required for a support case involving Veeam Plug-in for Microsoft SQL Server. The results are stored in form of . While investigating issues related to Guest Processing, additional logs must be collected from t Jul 25, 2023 · This article documents an advanced granular log collection method designed to minimize the log bundle size when submitting Veeam Support cases for issues related to the capacity tier or archive tier of a Scale-Out Backup Repository. Jan 15, 2025 · Works around an issue where you get VSS warnings in the Application Event log of Windows Small Business Server 2011 Standard. According to Microsoft limitations, Jun 6, 2025 · If you truncate transaction logs with Veeam Backup & Replication, the chain of transaction logs will be broken, and the Microsoft SQL Server log backup job will not be able to produce a consistent log backup. Failed to create snapshot: Backup job failed. Microsoft Exchange Replication service VSS writer is disable Oct 31, 2022 · Consistently getting “VSS: Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. Mar 27, 2013 · Provided replication of information is current between each cluster node, a backup of the passive node should still properly truncate Exchange transaction logs. Jul 12, 2018 · Veeam Backup & Replication or Veeam Agent for Microsoft Windows jobs with Application-Aware Processing fail to process a Windows guest with Oracle database installed. Method 1: Simple (Larger Log Bundle) Apr 28, 2015 · Gather Logs and Contact Support If the truncation process continues to fail after verifying that the account performing the truncation has the required SQL permissions, collect the logs as specified below according to the program in use and create a support case. Jun 6, 2025 · If you truncate transaction logs with Veeam Backup & Replication, the chain of transaction logs will be broken, and the Microsoft SQL Server log backup job will not be able to produce a consistent log backup. Jun 2, 2025 · VMware backups are initiated by Veeam Backup and Replication and stored as snapshots on NetApp. Dec 3, 2024 · Release Information for Veeam Backup & Replication 12. and Mar 22, 2011 · VeeamVixProxy log by averylarry » Tue Feb 11, 2014 9:51 pm On at least 1 of my servers (which is not a Veeam server or proxy server), since 9/3/2013, the VeeamVixProxy_date. Verify if it is a Know Chall and apply the Know Solution from Veeam KBs. Veeam Backup & Replication - How to locate and collect VSS/VIX log files from Guest OS Veeam Agent for Microsoft Windows - How to May 29, 2024 · During application-aware processing, Veeam Backup & Replication uses a VSS writer for a required application to freeze application data and bring it to a consistent state. Veeam Backup Jan 4, 2017 · Transaction logs do not get truncated after backup. Operation: [Shadow copies commit]. Apr 30, 2020 · This article explains how to collect additional VSS diagnostic data with the VSSTrace tool, a Microsoft Windows Software Development Kit (SDK) component. Contribute to VeeamHub/powershell development by creating an account on GitHub. Feb 11, 2020 · The account used to add the SMB3 to Veeam Backup & Replication must be a domain-level account with sufficient permissions to access the share and trigger the VSS snapshot on the Windows File Server hosting the SMB3 Share. com) Oct 2, 2022 · So, there’s a common problem where when performing a backup, you’ll see it fail with Veeam Unable to Truncate Microsoft SQL Server transaction logs. Nov 26, 2024 · If you back up Microsoft SQL Server, you can specify how Veeam Agent for Microsoft Windows must process database transaction logs: At the Guest Processing step of the wizard, make sure that the Enable application-aware processing check box is selected. Oct 13, 2020 · Veeam Community discussions and solutions for: Exchange VSS Writers Failing of Veeam Backup & Replication Various Veeam products related PowerShell scripts. On every Hyper-V host that uses the SMB 3. The following symptoms are observed. Feb 14, 2019 · Following Veeam KB2095 I checked the names of the backupped databases (no space charachter in the end of the name), checked SQL sysadmin permission of the account given to Veeam (it has this) and if VSS Writer on Veeam and SQL Server VSS Writer on the server are working (stable and running). 1 scores. C:\ProgramData\Veeam). When I re-enable the Mar 24, 2016 · If a third party creates a database backup of a VM protected by a SQL Server Transaction Log Backup job, the log backup will not occur until a new restore point is created. Dec 13, 2023 · If the Veeam Backup Enterprise Manager web console is unavailable, please review the following options for manually collecting logs. Event logs exported using default settings can be missing important information. Apr 21, 2014 · This KB provides information on what to investigate when Exchange logs are not being truncated. Because the VSS subsystem is not involved in the backup process, the SQL Server is not aware of a backup having occurred and does not update the date of the last database backup. This change will affect the VSS Preparation Timeout for all jobs managed by the Veeam Backup Server. Feb 16, 2016 · Veeam Community discussions and solutions for: Backup job warns me about missing vss writer of VMware vSphere Feb 4, 2025 · You can choose to back up database logs with Veeam Agent for Microsoft Windows. 5 Update 3, SQL logs are not truncated during backup, but the truncation task is still marked as a success in the job statistics. Typically in most cases this can be resolved by referencing the appropriate Veeam KB article which Jan 5, 2021 · Re: VSS wait timeout by IDEIT » Tue Jan 05, 2021 5:45 pm PetrM I am trying to get an independent opinion on this from a second Veeam professional first. Additional Logging Veeam Backup & Replication interoperates with Mar 22, 2016 · My advice would be to create a support call and log the case ID here (and the follow-up after that) or start with looking at some of our KB's and if that is not the case still log the support call Thanks Mike jmmarton Veeam Software Posts: 2097 Liked: 312 times Joined: Tue Nov 17, 2015 2:38 am Full Name: Joe Marton Location: Chicago, IL Apr 21, 2014 · 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 (. Prior to that, they were less than 256 Kb. Veeam Backup & Replication also detects to what cluster the database belongs. Nov 17, 2017 · This document shows how to gather logs for Veeam Agent for Microsoft Windows support cases Nov 19, 2013 · This article documents how to collect logs from Veeam Backup & Replication and additional information to include when submitting a Veeam Support case for technical assistance. Dec 20, 2013 · Challenge Backup or replication of a Hyper-V VM fails. Collecting logs from cloud gateways, repositories, and other relevant infrastructure in addition to the backup server is crucial. Details: Failed to truncate SQL server transaction Apr 13, 2016 · This article documents how to export logs from the two SQL database engines used by Veeam Backup & Replication: Microsoft SQL Server PostgreSQL Jan 25, 2024 · If you back up a Microsoft SQL VM, you can specify how Veeam Backup & Replication must process transaction logs on this VM. Sep 15, 2024 · Veeam VBR triggers VSS Service to remove the persistent VSS snapshot, and the VSS backup process is finished. To test this theory, we removed the default SQL "sysadmin" permission from "NT SERVICE\SQLWriter". However, you can set Veeam Agent to disable transaction logs or backup transaction logs with Veeam Agent in the backup job settings. Jul 5, 2024 · IntroductionAs security operations centers (SOC) manage a daily flood of alerts and logs, the ability to effectively analyze and interpret this log data becomes an essential part of the cybersecurity workflow. Nov 14, 2016 · Note: This KB specifically addresses the error “cannot find anymore diff area candidates for volume. Event log saying: “the log scan Sep 9, 2025 · To collect log files for the Veeam Backup for Microsoft 365 backup infrastructure components, do the following: In the main menu, click Help and Support > Support information . To manual start still nothing. Dec 15, 2014 · For that reason, Veeam support recommends isolation testing using the Diskshadow command-line utility, which allows for the closest reproduction of the VSS task Veeam products perform. UPS damaged and the server received multiple power outages. To avoid this scenario, the best practice is to move logs to a separate volume or drive. The job fails with this or a similar error: Creating VSS snapshot Error: Failed to create snapshot: Backup job failed. If this KB article did not resolve your issue or you need further assistance with Veeam software, please create a Veeam Support Case. Processing and investigating security incidents are the be-all and end-all of any SOC anal Jun 4, 2025 · 7 6/4/2025 09:19:15 :: Creating VSS snapshot Error: Failed to create snapshot: Backup job failed. For more information, see VSS settings. A Jun 6, 2018 · Veeam Community discussions and solutions for: Veeam B&R Log Files of Veeam Backup & Replication Nov 18, 2018 · This KB article describes the methods of collecting Veeam Management Pack log files to provide them to support for further analysis. Please see the Enterprise Plug-Ins page for general plug-in best practices. VSS Aug 28, 2013 · According to the errors provided, most of VMs failed due to RPC unavailability, which in turn might be caused by stalled Veeam VSS service. If it does not work, try to verify VSS Jun 5, 2025 · In the VSS Settings section, select Process transaction logs with this job. Aug 23, 2011 · This article describes how to troubleshoot when VSS fails with the error: The RPC server is unavailable. It has sql server, but its service with automatic delayed start but is not starting. "We just did a big repair of one of our DBs. Oct 9, 2013 · This article documents how to change settings regarding where log files are stored, how large a log file may become, and how many generations of log files are retained. 3Security Vulnerabilities Indicated severity values are CVSS 3. Apr 21, 2014 · When submitting a support case for technical assistance, it is sometimes necessary to upload relevant Windows event logs in addition to the Veeam logs. Jan 29, 2025 · Veeam VSS Hardware Provider Service (VeeamVssProviderSvc) extends the Microsoft VSS to enable Veeam Agent backup from storage snapshots. Nov 26, 2013 · Veeam Community discussions and solutions for: SQL logs not truncating of Microsoft Hyper-V Apr 3, 2014 · More Information Prior to Veeam ONE version 13, using the Export Logs option in the Veeam ONE Client's Help menu would only export log files related to the Veeam ONE Client. Veeam backup logs: Oct 16, 2024 · Hi! We have a Hypervisor server running Windows server 2016. While the article remains technically accurate regarding the behavior of Microsoft VSS and Veeam's interactions with VSS, the issue discussed rarely occurs thanks to the improvements made in Veeam Backup & Replication version 8. Jun 4, 2015 · Please include the System and Application event logs from the machine having issues when creating a case. ” There are a variety of possible VSS errors with ID 8193. log file is anywhere from 13 to 65 Mb (each day's log file). Jul 8, 2013 · This KB will show you step by step how to locate the VSS/VIX log files that are not normally retrieved by the support wizard. Oct 22, 2022 · The account under which the SQL VSS writer runs have a sysadmin role. csv files that are called audit logs. SQL VSS Writer, although the local services were running, does not appear in the vssadmin list writers list, so I specified it in the Log on service with the Administrator built in account, which is the one with the sysadmin role in the SQL VSS Writer. This time, the VM image job completed with a By default, log files are written to a location on the system volume (e. Mar 17, 2025 · Veeam Backup & Replication logs activities during File-Level Restore sessions involving backups, replicas and unstructured data backups. Mar 14, 2016 · The exclusion discussed in this article does not affect Microsoft SQL transaction Log Backup Jobs, as they do not use VSS, and instead use native Microsoft SQL commands to generate backup files. Microsoft Exchange VSS writer reports zero databases in its metadata on the passive node. Please confirm transaction logs are truncating after backing up the passive node. SQL server. We had multiple electric outages. Jul 18, 2024 · TIP If you do not have access to the Veeam Backup & Replication console and you cannot use the built-in log export, export logs manually as described in this Veeam KB article. Do those specific log entries somehow point to a freeze issue? That KB indicates it applies specifically to AAIP but what if we are not using AAIP? Jan 24, 2014 · Veeam Community discussions and solutions for: Failed to Truncate transaction logs on ONE db in instance of Veeam Backup & Replication Aug 10, 2022 · Veeam Backup and Replication Audit log location Restore operations performed in Veeam Backup and Replication (VBR) server console get logged to an audit file stored on the Server. To back up Oracle transaction logs with Veeam Backup & Replication, you must make sure that ARCHIVELOG is turned on for required databases on Oracle VMs. FinishSnapshot': Error code: 0x800401fd In the guest helper logs you will see the below occur before Mar 27, 2024 · Any can help to solve this error please?“2024/3/27 11:04:52 :: Unable to truncate SQL server transaction logs. Mar 1, 2013 · KB4563: How to Collect Process Dumps and Logs Challenge This KB documents the process for forcibly terminating all jobs for a given Veeam Backup & Replication server. Feb 3, 2015 · This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam Backup & Replication. Nov 26, 2018 · A Veeam Agent for Microsoft Windows Backup Job or Veeam Backup & Replication Backup Job with Application-Aware Processing enabled fails while attempting to process a server with ACT! Nov 25, 2024 · If you back up Microsoft SQL Server, you can specify how Veeam Agent for Microsoft Windows must process database transaction logs: At the Guest Processing step of the wizard, make sure that the Enable application-aware processing check box is selected. The VSS snapshot Purpose This article documents how to locate and gather guest-level log files associated with Application-Aware Processing or VM Guest OS File Indexing. Note: This vulnerability only impacts domain-joined backup servers. To learn more, see Guest Processing Settings. 1. The steps outlined in this KB will terminate all active jobs and tasks. To submit feedback regarding this article, please click this link: Send Article Feedback Sep 15, 2024 · Get Windows Logs for Applications and check errors associated with VSS. g. This article describes three different methods of exporting Windows event logs and which records tend to be most beneficial for certain types of support cases. In the Processing Jul 17, 2024 · The VSS_BS_COPY flag for VSS snapshot is triggered if the VM represents a secondary node for at least one Always On Availability Group. Specifying Transaction Logs Settings To define how Veeam Backup & Replication will process transaction logs on this VM, specify the following settings: In the Processing Settings window, click the SQL tab. Sep 18, 2024 · To create a backup from a storage snapshot, Veeam Backup & Replication and Veeam Agent do the following: Veeam Backup & Replication checks that the hardware VSS provider is installed on the Veeam Agent computer Mar 23, 2016 · This is behavior by design: [For Hyper-V 2012 R2] Veeam Backup & Replication backs up shared VHDX disks in a crash-consistent state. A VSS critical writer has failed. Feb 27, 2017 · Veeam Community discussions and solutions for: SQL log shipping of Veeam Backup & Replication Jun 15, 2017 · In SQL, the default "NT SERVICE\SQLWriter" user does indeed have the sysadmin permission. Check the guest log itself \Programdata\Veeam\ and see what it’s failing on. Veeam Backup & Replication CVE-2025-23121 | Severity: Critical (9. Nov 18, 2013 · Purpose This article documents how to collect logs from Veeam Backup & Replication and additional information to include when submitting a Veeam Support case for technical assistance. Sep 19, 2018 · This article covers how to properly compile your Veeam Availability Console Management Agent logs. Jun 29, 2022 · The Veeam Backup Server. This is usually due to permission problems either with the account used for guest processing, or with permissions inside of your SQL database. Code: [0x8004231f]. Guest log will give more insight. Jun 11, 2024 · Log truncation is applied to all passive and active database copies. SQL Log Backup sessions complete with 0 KB tr Sep 30, 2024 · During backup, Veeam Agent for Microsoft Windows performs the following operations: Veeam Agent requests the creation of a Microsoft VSS snapshot of the volume whose data you want to back up. ldf) does not become smaller. However, it's hard to say without deep log analysis. 9) A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user. In particular, Veeam Plug-in users can back up and restore individual Microsoft SQL Server databases, as well as configure independent backup schedule for full, differential and log backups using the SQL Agent Job functionality of Microsoft SQL Server. Keeping logs on the system drive is not recommended as they can easily fill up the entire volume and make the system services crash. Logs are stored on the backup server and all servers added to the backup Jan 8, 2025 · If the recovery model is set to Simple, Veeam Backup & Replication will not detect and process transaction logs on Microsoft SQL Server VMs. Click Applications. This resulted in log truncation after each snapshot for workloads like SQL/Exchange, offering limited control in differentiating between a Disaster Recovery Snapshot or a Full backup. Nov 13, 2025 · Browse Veeam Support Online Knowledge Base to find answers for customers' frequently asked questions and solutions for already resolved issues. Apr 29, 2020 · Challenge This article explains how to collect additional VSS diagnostic data with the VSSTrace tool, a Microsoft Windows Software Development Kit (SDK) component. In the Processing Settings window, on the General tab, select Process transaction logs with this job. In the Microsoft VSS settings Open a case online or get a phone number for contacting Veeam support in your country. With this option selected, Veeam Backup & Replication produces a backup file or VM replica and does not trigger transaction log truncation. At the Guest Processing step of the wizard, make sure the Enable application-aware May 23, 2012 · Veeam Community discussions and solutions for: VSS Error 0x80042306 of Veeam Agent for Microsoft Windows Jun 26, 2013 · You receive errors "0x80042316 or Error: VSSControl: -2147212522" on Veeam Backup or Replication processes during VSS guest processing. Jul 29, 2013 · This KB provides information when you receive errors on backup or replication processes during VSS guest processing. Veeam Backup & Replication 8 introduced Persistent VSS Snapshots, which significantly diminished Mar 7, 2024 · Veeam Backup & Replication provides detailed logging of performed activities, data protection and disaster recovery tasks. Feb 10, 2016 · Job reports warning "SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped"Running vssadmin list writers shows that Jun 6, 2025 · In the VSS Settings section, select Process transaction logs with this job. This can range from permissions to VSS. Veeam Agent uses the Exchange VSS Writer to truncate logs. Cannot notify writers about the ‘BACKUP FINISH’ event. Veeam WAN Accelerator Service (VeeamWANSvc) optimizes the network traffic consumption by identifying and caching repeatedly transferred data. We suspect since VSS is triggered during a VM backup, the SQL VSS Writer, through the "NT SERVICE\SQLWriter" SQL sysadmin user, could truncate all DB logs. Then it should be possible to use Veeam Explorer for Exchange (VEX) to restore mail objects (2010 and Apr 2, 2024 · Veeam Plug-in integrates with Microsoft SQL Server Management Studio and transfers database backups and transaction log backups to backup repositories configured in Veeam Backup & Replication. Jun 2, 2025 · Veeam Agent to use hardware Volume Shadow Copy Service (VSS) provider and capabilities of native snapshots that are created on production storage systems to create backups. In the displayed list, select a protection group or individual computer and click Edit. Dec 2, 2011 · The VSS Preparation Timeout can be adjusted by creating and setting the following registry value on the Veeam Backup Server. The File Server VSS Agent Service role must be enabled on the Windows File Server hosting the SMB3 Share. Aug 2, 2011 · Veeam Community discussions and solutions for: VSS: Backup job failed of Veeam Backup & Replication Sep 28, 2012 · This article was initially created for Veeam Backup & Replication 6. Jan 25, 2024 · If you back up a Microsoft SQL VM, you can specify how Veeam Backup & Replication must process transaction logs on this VM. At the Guest Processing step of the wizard, make sure the Enable application-aware Nov 20, 2015 · This article describes a known issue with Microsoft Shadow Copy Optimization Writer leading to a failure to exclude files from the backup. In the Windows event logs on the Hyper-V host server, 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 \\?\Volume {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx}\ [0]. If the backup job does not include all VMs from the cluster, an information message will be issued. VSS asynchronous operation is not completed. Search for solutions in Microsoft Support articles; for example, see this Microsoft TechNet Article; Get Windows Logs System and check errors associated with VSS. Writer name: [Mic Jul 18, 2024 · Veeam Agent Management Guide > Exporting Logs Exporting Logs If you want to submit a support ticket, we recommend that you include log files to ensure that overall and comprehensive information is provided to Veeam Customer Support. Due to this lack of an update to the last database backup entry, when the SQL Feb 23, 2018 · After installing Veeam 9. znlv lrzt gojwj kjvv tbrfjo lkavx gyepoly yqfvuhd gytjeyg xrdhb iwpnx dkcqwer knu tjf bbcbcwl