Specialized Virtual Machine Recovery

When your virtual environments fail, our 24/7 global experts are ready to restore business continuity with specialized knowledge in all major virtualization platforms.

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Specialized Expertise

VMware, Citrix, Hyper-V, VirtualBox, and other virtualization solutions

Customized Approach

Custom solutions tailored to your company’s specific needs

Data Security

10+ years of experience in data recovery, NDA on demand

VMware, Citrix, Hyper-V, VirtualBox, and other virtualization solutions Virtual machines are subject to the same data loss problems as physical machines, such as power, hardware failure, software or network problems, file system corruption, ransomware, data deletion and other unexpected events. We minimize downtime by offering several options for quickly and safely recovering inaccessible virtual machines, hypervisors, virtual servers, virtual cluster systems and any other type of virtual environment. Your first call is your most important call.

Data recovery services for all virtual environments

Here are a few virtualization technologies from which we can restore data:

Inexperienced attempts can not only fail but actively corrupt or overwrite the remaining recoverable data, making subsequent professional recovery more difficult, or even impossible.

Commercial software often fails to address the unique complexities of large, fragmented virtual disk files (like VMDK or VHDX) or hypervisor-level corruption (e.g., VMFS). We utilize proprietary tools and advanced technologies specifically designed to analyze, repair, and recover data from these damaged structures.

We provide customized solutions tailored to your company’s specific VM environment, maximizing the chances of successful, complete, and validated data restoration.

Type 1 hypervisors

VMware ESXi, vSphere ESXi Embedded, VMware vSphere Hypervisor
Microsoft Hyper-V (Windows Server)
Xen
KVM
Oracle VM Server and Oracle VM for SPARC
Citrix Hypervisor (formerly XenServer): VDI and Cloud.
IBM PowerVM
Proxmox VE
Red Hat Virtualization (RHV)
Huawei FusionSphere
Nutanix AHV
BHYVE, LynxSecure, INTEGRITY Multivisor

Type 2 hypervisors

VMware Workstation Pro
VMware Workstation Player
Oracle VM VirtualBox
Parallels Desktop
VMware Fusion
Microsoft Virtual PC
QEMU (Quick Emulator)
KVM (managed through QEMU)
GNOME Boxes
Red Hat Virtualization (workstation)
Bochs
Linux Containers (LXC)
OpenVZ

VHD, VHDX (Microsoft Hyper-V, VirtualBox )
VMDK (VMware Workstation, ESXi, vSphere, VirtualBox and QEMU).
VMDK (Split), VMDK-StreamOptimized (VMware ESXi or vSphere), VMDK (Growable)

RAW or IMG (QEMU, KVM, Xen)
VHDK (IBM PowerVM)
VMDK-ESXi (Sparse, Monolithic)
CLOOP (Linux)
XVA (Citrix XenServer)

Our VM Recovery Process

Leveraging over 10 years of data recovery expertise, we deploy a streamlined, secure, and systematic process to ensure the successful restoration of your Virtual Machine backups.

VMware virtual machine recovery

Hyper-V virtual machine recovery

Proxmox virtual machine recovery

How can virtual machine data be deleted?

Data can be lost in virtual machines for a variety of reasons, from human error to cyber-attacks to operating system crashes. AS Data Recovery has the experience to deal with a wide range of systems and data loss situations.

Common causes of data loss on virtualized systems :

Ransomware encryption of virtual machine files illustration

Ransomware: encryption of virtual machine files
RAID storage system failure (card or disk failure)
Virtual disk corruption or erasure (VMDK, VHD, VHDX, etc.)
Fully formatted and partially overwritten virtual disks
Deleted or damaged files inside a VM
Formatting and reinstallation, rewriting
File or partition table corruption on VMFS, ESX or ESXi server systems
LUNs/Volumes inaccessible, deleted or incorrectly sized

Formatted or overwritten hosts, datastores, volumes and VMs
Corrupt Datastores or host volumes (VMFS, NTFS, ReFS, XFS, etc)
Corrupted guest file systems
Deleted VMs or snapshots
“Datastore reformatted,
VMFS datastore volumes corrupted,
Deleted snapshots,
Corrupted file systems,

Our advice for recovering virtualized data

Stop using the system to stop all writes to the virtual disk concerned and then immediately make a copy of it on another secure storage device.

Never download new files or software into the virtual environment concerned, as this could result in data being permanently overwritten.

Always work with a backup copy or image file of your data, volume or virtual disk file to ensure that original data integrity remains absolutely intact.

Resetting or reformatting a problematic volume will delete all data and severely complicate any future recovery attempts, potentially making it impossible.

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Two main ways to recover virtual machines: in-lab or remotely

Security is our top priority: we use the SFTP protocol exclusively for transfers. File integrity is checked on arrival, so the files you receive are identical.

Recovery of virtual machines in the lab

The majority of our rescues still take place in our laboratory. The main advantage: we have more recovery options with physical servers than with downloaded files. Laboratory recovery is indispensable in cases of deletion where data has actually been deleted, offering superior control and specialized equipment.

Remote recovery of virtual machines

This type of recovery is becoming increasingly common in our business. The advantage is that there’s no need to physically transport the machines or disks, so there are logistical savings and no risk of damage in transit. There are no customs issues to consider… Your server can remain online if services are running on it.

Recovery process

We have over 10 years’ experience in data recovery, and our expertise lets us give you a fast, well-informed response. We have in-depth knowledge of the different types of ransomware and the techniques used to fight them.

1 Assessment

Definition of the technical scope and priorities to be recovered during a technical telephone interview. The first phase in effective data recovery.

2 Diagnosis

We take care of your storage media. We carry out systematic cloning to avoid damaging the evidence in the event of an investigation.

3 Recovery

Priority data extraction, validity testing and creation of a list of recovered files. Then secure restoration and resumption of activities.

Swift Data Recovery, Your Files, Faster

We offer clear service packages tailored to your deadline and budget.

Emergency (24/7)

One-on-One Communication
In-house engineer, never outsourced
Average Turnaround Time: 1 to 3 Business Days

High-Priority

Service during business hours.
1 Expert Engineer
Average Turnaround Time: 3 to 7 Business Days

Standard

Service during business hours.
1 Shared Engineer
Average Turnaround Time: 7 to 14 Business Days

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Data Recovery FAQs

Frequently asked questions

Get fast, accurate answers to common questions regarding ransomware and data recovery. Find essential information about ransomware attacks, effective decryption, and AS Data Recovery’s expert support. We guide you from prevention to full recovery, showing how to respond swiftly and strengthen your digital defense against future threats.

What kind of virtual machine issues can you recover data from?

We specialize in recovering data from a wide range of virtual machine problems, including corrupted or inaccessible VM disk files (VMDK, VHDX, VDI, etc.), failed snapshots, deleted virtual machines, host system failures, file system corruption within the guest OS, and even data encrypted or damaged by malware within the VM. We support environments like VMware, Hyper-V, VirtualBox, and more.

Can you recover an entire virtual machine, or just specific files from within it?

We offer both! Our capabilities extend from recovering an entire virtual machine to a bootable state, to extracting specific files, folders, or databases from within a corrupted or inaccessible VM disk. We tailor the recovery to your most urgent needs, whether it’s getting an application server back online or retrieving a single critical document.

What should I do immediately after discovering a virtual machine failure or data loss?

The most crucial first step is to stop all activity on the affected host and virtual disk immediately. Do not attempt to run repair utilities, create new snapshots, or write any new data to the storage. Make a bit-for-bit copy or image of the affected VM disk files or logical volume if possible, and then contact us as soon as possible. Working on copies prevents further damage and maximizes recovery success.

How long does virtual machine data recovery typically take?

The timeframe for VM recovery can vary significantly based on factors such as the extent of corruption, the size of the virtual disk, the type of virtual machine environment, and the specific data required. Once we receive your affected media or files, our initial diagnostic assessment will provide you with a clearer estimate of the expected recovery time and costs.

Is the data transfer secure?

Yes. Security is our priority. We exclusively use the SFTP protocol for all file transfers to ensure maximum security. We also perform an integrity check upon file arrival to confirm the recovered data is identical to the original.

Specialized Lab Rescues

Related services

Hyper-V

Data recovery from Hyper-V virtual machines, even in the event of corruption or failure.

RAID

Data recovery from degraded or failed RAID systems, whatever the configuration.

VMware

Expertise in restoring damaged or inaccessible VMware virtual machines.

Ransomware

Restore files encrypted by ransomware with advanced, secure solutions.