Acronis Cyber Protect B40901 May 2026

Acronis Cyber Protect B40901: Comprehensive Cyber Protection for Your Digital World

• Operating Systems (Server side): Windows Server 2016, 2019, 2022; Windows Small Business Server; Linux (Red Hat, Ubuntu, CentOS, Debian).
• Virtualization: VMware vSphere (ESXi 6.5+), Microsoft Hyper-V (2016+).
• CPU: x86-64 only (no ARM servers).
• RAM: Minimum 2 GB (4 GB recommended for protection features).
• Storage: Enough space for the local vault (backup cache) plus cloud storage (if you subscribe to cloud add-on – note: B40901 is often on-prem license only; verify if cloud is included).

What Exactly is Acronis Cyber Protect B40901?

automatic validation

Run after every backup job. While this consumes resources, it catches errors like B40901 immediately, when the backup is still fresh and missing slices can be recreated.