Windows 11 24H2 | Server 2025 - Recovery Media Issue

Issue Resolved in May 13 2025 Windows Update KB5058411 The underlying issue causing recovery media to have the problems documented in this article was resolved in Microsoft Update KB5058411 for Windows 11 and Server 2025. After applying the update, the recovery media must be recreated. Challenge...

Rescan of Windows Machine in Protection Group Fails With "The network path was not found."

Article Applicability This article addresses situations in which credential-based authentication is used to add a Windows machine to a Veeam Agent for Microsoft Windows protection group. The troubleshooting steps below address connectivity failures that occur when Veeam Backup & Replication...

Restore/Failover/SureBackup of Virtual Machines running Windows 8.1/Window Server 2012 R2 (or older) triggers chkdsk if Veeam Backup Server or Mount Server is Running Windows Server 2022 (or newer)

Challenge In the following scenarios, a Virtual Machine1 that was running Server 2012 R2/Windows 8.1 or lower will perform chkdsk on the first boot if the Veeam Backup Server is running Server 2022: A non-Domain Controller VM is being tested by SureBackup with the "Automatically disable Windows...

Veeam Agent Standalone Backup Fails with "Version string portion was too short or too long"

Challenge After upgrading Veeam Backup & Replication to version 12, the following tasks for Standalone Veeam Agent i.e., Veeam Agent for Microsoft Windows, Veeam Agent for Linux, Veeam Agent for IBM AIX, and Veeam Agent for Oracle Solaris deployments that existed before the upgrade may fail...

Tape Related Task Fails With "isn't current owner. You have to change current owner"

Challenge A Tape Job or tape-related task Inventory, Catalog, or Restore fails with errors: '' isn't current owner. You have to change current owner Job has been terminated Error: '' isn't current owner. You have to change current owner Failed to inventory tape Error: '' isn't current owner...

VMs stored on vVols may experience a significant stun during the snapshot removal process after the backup session.

Challenge During the snapshot removal operation that occurs at the end of a backup/replication job for a VM stored on a vVol Datastore, the following is observed: The Guest OS of the VM being processed is stunned or frozen. Monitoring software may report that the Guest OS is inaccessible due to a...

Failover of replica using Re-IP causes Windows crash (the “blue screen” error) on the Veeam Backup server.

Challenge During the failover of a replica that was configured to use Re-IP, a Windows "blue screen" error occurs on the Veeam Backup Server. Cause When performing the Re-IP process the Veeam Backup & Replication software mounts the replica's VMDK using VDK to modify registry entries within the...

How to Change the Settings Related to Veeam Backup & Replication Log Files

Purpose This article documents how to change settings regarding where log files are stored, how large an individual log file may become, and how many generations of log files are retained. Solution Log Files Stored on the Veeam Backup Server The following registry values must be created on the...

Connection forcibly closed by remote host

Challenge While a job is processing, a job may intermittently fail while sending data from the source proxy to the target proxy/repository server with: srv| ERR |Server session thread has failed. srv| |An existing connection was forcibly closed by the remote host Cause This is related to a...

VSS Freeze Wait Timeout

Challenge A Backup or Replication tasks fails with the following errors: "VSSControl: Failed to prepare guest for freeze, wait timeout 900 sec." "VSSControl: Failed to freeze guest, wait timeout" Solution Possible Security Software Interference Anti-virus software may impede VSS operations. As an...

How to Disable the Renaming of Reversed Incremental VBK File

Article Applicability This article is related to the automatic renaming of the VBK file, which occurs only when using Reverse Incremental backup mode. Note: Reverse Incremental as a backup mode will begin being deprecated starting in version 13 of Veeam Backup & Replication. For more information,...