Veeam Backup Proxy server becomes unresponsive

Challenge The Veeam Backup server or the Backup Proxy server becomes completely unresponsive when disks of a backed up virtual machine are being hot-added to the server. Cause If CTK parameters are enabled on the Veeam Backup server or on the Backup Proxy server, the Virtual Appliance mode cannot...

Best Practice For Setting Up nWorks Collection for Failover and Disaster Recovery

Purpose Additional information given about how collectors work within nWorks and guidelines on how to set up collectors for disaster situations. Solution The Best Practice for Setting Up nWorks Collection for Failover and Disaster Recovery To get started with monitoring through the nWorks...

Performing an AIR restore without Enterprise Manager

Purpose You wish to perform an AIR Exchange, Active Directory, or SQL item restore, but do not have Enterprise Manager installed. Solution To perform an AIR restore without Enterprise Manager, run the SureBackup job created for the restore. Once it is running and complete, open the session and...

BEM Search Server Doesn't Remove Successfully

Challenge When trying to remove a Search Server from BEM by clicking the remove button, the server being removed is stuck in a "Removing" state. Cause Solution Veeam encourages backing up your SQL DB before making any changes. 1. Go to Microsoft SQL Server Management Studio May need to be install...

Empty sockets counter in nworks Enterprise Manager

VMware vCenter or hosts have been added into Enterprise Manager and the amount of sockets is displayed correctly; however, once the maintenance procedure has been performed against the hosts and the hosts are restarted, then some of the hosts become unlicensed Enterprise Manager shows "0" instead...

Physical and virtual machines with identical names

Challenge When a physical and a virtual object with identical names are present in SCOM and in the SCOM database they tend to get mixed up by the application. Cause Unfortunately, nworks currently does not support machines having the same name within one environment. nworks uses VM Name as a uniq...

Exchange Backup Jobs Run Longer Than Expected or Fail with: Contract schema check for the Exchange Online REST API failed

Challenge Exchange backup jobs in Veeam Backup for Microsoft 365 or Veeam Data Cloud for Microsoft 365 run far longer than expected or fail to complete. The job log contains the following warnings and errors: Warning: Failed to retrieve Exchange Online REST API cmdlet information Warning: HTTP...

After Upgrade to Veeam Backup & Replication 12, Storage Rescan of IBM HyperSwap Volume Fails

Challenge After upgrading to Veeam Backup & Replication 12, Storage Rescan fails with: Failed to update information about IBM HyperSwap volumes. Please ensure that volumes on both sides of IBM HyperSwap relationships are included in the rescan scope in the storage properties. See KB4380 for...

Release Information for Veeam Backup for Microsoft Azure v4

Requirements Please confirm that you are running Veeam Backup for Microsoft Azure v3 build 3.0.0.666 or later before upgrading. The currently installed build number Server Version is in the About section under Configuration | Support Information. After installing Veeam Backup for Microsoft Azure...

Storage Plan Stuck in "Resetting" State

Challenge After Undoing a Halted Storage Plan or Resetting a Halted Storage Plan, the plan enters the "Resetting" state and cannot switch to another state. Cause If you have a large infrastructure or encounter any internal issues within the Veeam ONE database, the undo or reset operation may not...

Release notes for Veeam Backup for Microsoft 365 4a

Challenge Release Notes for Veeam Backup for Microsoft 365 4a. Cause Please confirm you are running Veeam Backup for Microsoft 365 version 2.0, 3.0 or 4.0 prior to installing the new version 4a 4.0.0.1553. You can check the product version under Help About in the Veeam Backup for Microsoft 365...

Veeam Availability Console v3 Patch 2 (build 2725)

Challenge Veeam Availability Console v3 Patch 2 build 2725. This update supersedes Veeam Availability Console v3 Patch 1 build 2703. Cause Please confirm you are running version 3.0.0.2647 or later prior to installing this Patch 2. You can check this under Windows Programs and features. After...

Veeam Availability Console 3.0 upgrade considerations

Challenge Under certain circumstances upgrade to Veeam Availability Console v3 may fail leaving configuration database in a non-consistent state Cause The issue occurs when one or more tenants from the underlying Cloud Connect server have duplicated backup quotas on the repository. Solution Befor...

IBM SVC or IBM Storwize storage LUN can be deleted under specific circumstances

Challenge | Newly created LUNs on IBM storages that utilize the Spectrum Virtualize Software with Veeam B&RIBM SVC or IBM FlashSystem, under very specific circumstances, can be deleted by Veeam B&R. --- Cause | Spectrum Virtualize software has the ability to reuse LUN IDs, which are not set to be...

Item is not suitable for restore

Upon attempt to recover LVM PV or LV from backup using Agent for Linux recovery media ‘Item is not suitable for restore’ error is thrown if ‘Restore whole disk from…’ option is selected for target dis...

How to enable storage-specific API logging

Need to collect storage-specific API logging by Veeam Customer Support request...

Failed to retrieve the configuration parameters of the [FontCache] service

Challenge Job could report warning or failure depending on VSS/AAIP settings: "Failed to retrieve the configuration parameters of the FontCache service. The resource loader failed to find MUI file" Affected: Hyper-V Guest VMs running Windows 2008 with MS security update KB3045171 Cause After...

Veeam ONE 8.0 Patch 1 Release Notes

Challenge Release Notes for Veeam ONE 8.0 Patch 1. Cause Please confirm you are running Veeam ONE 8 prior to installing this update. You can check this under Help | About in Veeam ONE Monitor Client, the build number should be 8.0.0.xxx. After upgrading, your version build will be 8.0.0.1615. Thi...

WAN Accelerator Port Configuration

This KB provides information for port configuration with the use of WAN accelerator...

Empty Folder(s) in Datastore after Replication job runs

Challenge When a replication job is ran, an empty folder is created in one of the datastores listed as the . Cause The cause of this behavior is Veeam getting pointed to write to one datastore, while the replica VM itself is on a different datastore. When the job is pointed to a different locatio...

High guest OS resource utilization

Challenge Performance metrics within a Virtual Machine's Guest OS are different higher or lower than the same metrics reported by Veeam ONE. Cause The process used by vSphere to allocate and distribute system resources differs from the methods used by Windows and other operating systems for a...

Slow backup perfomance in HOTADD (virtual appliance) mode

Edge Case Issue The issue documented in this article is highly uncommon and is directly related to storage and network congestion. For more information, closely review the Broadcom KB Article 1002598. As this is an issue between the vSphere environment and the backend datastore storage, this...

Event ID 10378 in the Operations Manager Event Log on Collector

Challenge Operations Manager Event Log on the Collector server contains the following warning: ID 10378 Module was unable to convert WMI setting .\timestamp Event IDs 1103 and 4506 may also be observed. Cause The root cause is currently investigated by Microsoft. This article will be updated afte...

How To Refine nWorks Data Collection in SCOM

How To Refine nWorks Data Collection in SCOM...

Hot-Add/Virtual Appliance Failures for Restored or Cloned Backup Proxy

Challenge A backup or replication job fails with the following error when using a VMware Backup Proxy when that proxy is attempting to use Virtual Appliance transport mode hotadd: BackupDiskTrad failed Client error: Failed to open VDDK disk MyDatastore VMName/Disk1.vmdk is read-only mode - true...

Using Rsync to Copy Backup Files Offsite

Challenge When using Rsync as a post job activity to copy backup files to an offsite location one of the problems that is encountered is that after the second backup is using reverse incremental, Rsync copies all the data from the vbk file one more time, and not just the changes from the last...

VeeamONE Update Failing – The specified path, file name, or both are too long.

Challenge VeeamONE V9.5 Update 1 install fails with the following error: "The specified path, file name, or both are too long. The fully qualified file name must be less than 260 Characters, and the directory name must be less than 248 characters." Cause Conflict with BusinessView component...

Veeam Explorer for Exchange (VEX) Restore Failure - HTTP Error 501 – Load Balancer

Challenge The following KB is only relevant if a Load Balancer is being used. When attempting to use the "Restore to " function the restore fails with "HTTP Error 501". The following will be found in the logs: Item restore failed: The request failed with HTTP status 501: Invalid Request. Error:...

System logs rapidly grow in size filled by veeamsnap errors

Agent for Linux kernel driver veeamsnap fills system logs with memory allocation error messages rapidly, system might get low on disk space...

How to Safely Perform Snapshot Rollback of Veeam Backup for Microsoft 365

Purpose This article provides step-by-step guidance for performing a snapshot rollback of a Veeam Backup for Microsoft 365 deployment in the event of a disaster. Critical Warning Rolling back to a snapshot is a complex and highly risky process that should only be performed in rare disaster...