Ahsay delivers comprehensive protection for all virtual machines (VMs) running on Hyper-V standalone and clustered hosts, combining rapid recovery with precise restore capabilities so IT teams can handle both major outages and everyday small scale data loss incidents with confidence.
- Disaster recovery & business continuity: Restore entire VMs to replacement hosts when production servers fail or data becomes corrupted.
- Minimize downtime costs: Faster recovery means less disruption—protecting revenue streams and productivity.
- Migration flexibility: Backups can be leveraged to move VMs between hosts.
- Instant recovery: Boot VMs directly from backup storage and get critical services online within minutes, even while full recovery continues in the background—for meeting strict RTOs (Recovery Time Objectives).
- Granular restore: Recover individual files or folders from any point-in-time without restoring the entire VM. Perfect for meeting precise RPOs (Recovery Point Objectives).

Secure, reliable, and fast backups
Ahsay leverages a suite of technologies and settings to ensure data reliability and consistency, minimize backup transfer size, and boost overall performance:
- Select all VMs or specific VMs to back up.
- Select specific virtual disks on each VM for backup to focus on protecting critical data while optimizing backup performance and storage usage.
- Microsoft VSS (Volume Shadow Copy Service), which takes a snapshot of the guest VMs to ensure complete data consistency.
- Application-aware backups for Windows guest VMs automatically flush all in-memory data and pending transactions to disk to guarantee application-level data consistency.
- Windows RCT (Resilient Change Tracking) technology detects data block level changes on a guest VM, which means only data blocks that have changed since the last backup job are included in the backup data.
- Automatically excludes the swap file and deleted data blocks on the virtual disk(s) from the backup data.
- Data deduplication removes duplicate data, backing up only unique data, which can reduce storage usage and costs by up to 90%.
On top of these, backing up your guest VMs with Ahsay using more advanced technologies, including immutable backups, AES 256-bit encryption, two-factor authentication, and Restore Drill (backup data validation), ensures your organization can reliably recover data in the event of a disaster.
What are the benefits?
Ahsay provides an intuitive user interface to guide you through the automated recovery process directly on a live production server or standby server:
Standard recovery options:
- Restore guest VMs to the original location on the same Hyper-V host.
- Restore guest VMs to an alternate storage location on the same Hyper-V host.
- Restore guest VMs as raw files for manual recovery on the same Hyper-V host or a different Hyper-V host.
Advanced recovery options:
- Granular Restore: Mount the guest VM virtual disk(s) directly from the backup file on the backup destination, then recover individual files or folders using Windows File Explorer.
- VM Run Direct: Run a VM directly from the backup file on AhsayCBS or cloud storage without restoring it to the Hyper-V host.
- Live Migration: Restore a running guest VM back to the Hyper-V host with minimal downtime.