VM Backup KB Articles

Best Practices for setting up Altaro VM Backup
This best practice guide goes through the Altaro VM Backup features explaining their use and the optimal way to configure them in order to make the best use...
Resolving a Windows Error 1219
PROBLEM You’re unable to connect to a network location and in the Altaro Agent log file (C:\ProgramData\Altaro\AltaroBackupProfile\Logs\AgentService.log...
What you need to know about CBT v2 for Windows Server 2012 and 2012 R2
As from version 7.6, Altaro VM backup has revamped the way we perform Changed Block Tracking (CBT) for Hyper-V virtual machines running on Windows Server 20...
Concurrent Retention, Restore, Backup and Offsite Copy operations
In previous Altaro VM Backup versions only one operation could be performed on a Virtual Machine at the same time.  If a retention policy takes quite l...
CDP – Continuous Data Protection Explained
Please note this feature is only available for Unlimited Plus and Subscription users. With Altaro VM Backup 7.6 users can switch from scheduled daily back...
Setting up Grandfather-Father-Son (GFS) Archiving
Please note this feature is only available for Unlimited, Unlimited Plus and Subscription users. Instead of deleting all old versions, you also have the o...
Getting a Blank Chat Window? Here's how to solve it!
If you're getting a blank chat window like the one in the below screenshot, this is due to backend changes and improvements. To resolve thi...
OST files cleared / not backed up upon backup (VSS)
PROBLEM OST files within a VM are cleared out upon a backup job, hence when Microsoft VSS runs within the VM. CAUSE Altaro VM Backup, like ot...
Boot from Backup fails with "Error creating disk Function not implemented"
PROBLEM Boot from Backup fails with "Error creating disk Function not implemented" CAUSE The datastore being booted to is NFS, whic...
Failed Logon (Security - EventID 4625) logged in a VMware VM
PROBLEM In a VMware environment where you have an Exchange/SQL VM, you need to deploy the Altaro VM tools in order to truncate the logs. If you are noti...

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