How to reset vSphere Virtual Machine CBT

Purpose This document provides details for resetting the CBT Changed Block Tracking of a vSphere VM. The Veeam Backup & Replication may display the following message: CBT data is invalid, failing over to legacy incremental backup. No action is required, next job run should start using CBT again. ...

The dependency service or group failed to start

Challenge Cause This error is usually caused by one or more Windows VSS services being disabled. To fix it, you will need to go to Start Run, and enter "services.msc" without quotes. Here, you will see a list of services, their description, and whether or not they are running. Make sure RPC servi...

Module DevicePowerOn power on failed

Challenge Cause Veeam B&R creates the new adaptor with settings specified in Virtual Lab properties, however it also forces the old MAC address to be used as you see in the vmx file of a restored machine, that's why VM fails to power on as it's expecting to see mac address from VMware range. When...

"Unknown vbk format" error when importing backup file to Veeam Backup & Replication

Challenge Cause The .vbk file you are trying to import was created with a different version of Veeam Backup & Replication. Solution Check whether versions of the Veeam Backup & Replication software match on the server where the .vbk file was made and on the server to which you are importing the...

Veeam vPower NFS Service fails to start

Challenge This article documents troubleshooting steps to be taken if the Veeam vPower NFS Service fails to start. Solution Check Port Usage Check if another process is locking one of ports used by the Veeam vPower NFS Service: 1. Open an Administrative PowerShell Prompt 2. Run the following...

VSS issue: Retrieving the COM class factory for component with CLSID failed (80070005)

Veeam service account does not have enough privileges to call a COM server application with specified CLSID. As a result, it is not possible to inject the VSS short-life process into the guest OS...

Appliance Mode (Hotadd) Requirements and Troubleshooting

Requirements Virtual Appliance HOTADD Requirements and Limitations Requirements for Backup and Restore of Encrypted VMs Known Issues If the VM disk resides on a vVol, the Veeam VMware Backup Proxy's VM configuration file vmx must be on the same vVol. The Veeam VMware Backup Proxy VM must be locat...

Parameter is not valid. Failed to open Veeam Backup and Replication.

When opening the Veeam.Backup.Shell.exe, the following error occurs: Parameter is not valid...

Create VSS processing exclusion for vCenter Database

Article Applicability This article is only relevant to environments still using a Windows-based vCenter vSphere 6.7 and older with the vCenter database hosted on a Microsoft SQL Instance. Per VMware's Blog: Reminder: vSphere 6.5/6.7 End of General Support The End of General Support for vSphere 6....

Troubleshooting vPower NFS Datastore Mounting Issues

Challenge During SureBackup, Instant Recovery, Instant Disk Recovery, or Other-OS FLR operation, the following error is seen in the VMware environment: Error during the configuration of the host: NFS Error: Unable to Mount filesystem: Unable to connect to NFS server. or An error occurred during...

Failed to perform Veeam VSS freeze: guest OS 'otherGuest' is not supported

When backing up Windows server, encounter the error "Failed to perform Veeam VSS freeze: guest OS 'otherGuest' is not supported."...

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,...

Job Fails Due to Quiesced Snapshot Creation Failure

Challenge A Backup or Replication job for a VMware Virtual Machine fails with either of the following errors: Failed to create VM snapshot. Error: CreateSnapshot failed, vmRef "vm-", timeout "1800000", snName "VEEAM BACKUP TEMPORARY SNAPSHOT", snDescription "Please do not delete this snapshot. It...

File is larger than the maximum size supported by datastore

Challenge The following error message occurs when attempting to create a VMware snapshot. File is larger than the maximum size supported by datastore The Veeam Backup & Replication job fails with the following error: CreateSnapshot failed, vmRef "vm-xxx", timeout "1800000", snName "VEEAM BACKUP...

How to back up VM templates

Purpose This article serves as a quick reference for information about backing up vSphere Templates. Solution To be able to select a template in the list of virtual infrastructure objects when adding objects to a Backup job, select the VMs and Templates view from the top-right view options. When...

Veeam Service Fails to Start with Error 1920

Challenge A service relating to Veeam Backup & Replication fails to start and displays the message: Error 1920. Service failed to start. Verify that you have sufficient privileges to start system services. Copy Solution Common Causes The service is set to run as an account other than Local System...

Veeam ONE Monitor SNMP MIBs

Purpose This article provides an MIB file that can be used by SNMP receivers that are being sent SNMP traps when configured as documented in: Veeam ONE Monitoring Guide: Configuring SNMP Traps. Solution Download Veeam ONE SNMP MIB MD5: 21E8DDEFEC6824CA20E8C862CDA76B40 SHA-1:...

Gaps in Performance Data Graphs, Missing Alerts, or MP Views Greyed Out in Veeam Management Pack

Cause This problem can occur if the agent's cache needs to be cleaned up. Please note that you need to ensure that the Operations Manager agent has been configured properly after clearing cache. Otherwise, the issue will reoccur. Please refer to the Configuring Operations Manager Agent Knowledge...

Reported CPU Usage Values Differ in vCenter and Veeam ONE

Challenge The reported maximum, minimum, and average CPU usage values do not match between the vCenter and Veeam ONE. Cause How the Values Are Calculated in vSphere Client VMware calculates these values with Hyperthreading Technology enabled. The VMware vSphere client shows that "Hyperthreading" ...

No data or incorrect data arrives into Operations Manager from the vCenter Server due to the vCenter Server statistics interval

Challenge No data or incorrect data arrives into Operations Manager from the vCenter Server due to the impact of vCenter Server statistics interval on the Veeam Collector operation. Cause This may happen due to various reasons, in particular, due to incorrect settings of the vCenter Server...