How do I fix: Restoring Snapshots with Care?

Step 1: Step 1: Before restoring the snapshot, verify that any changes made during the original snapshot creation have been accounted for in the restore process.Step 2: Step 2: Use the VirtualBox console to inspect the storage configuration of both VMs before and after restoration. This will help id

Software⏱️ 3 min read📅 2026-06-11

How to Fix: Virtual Box 'VERR_SSM_LOAD_CONFIG_MISMATCH' error when restoring a snapshot

Q: How do I fix: 🔧 Proven Troubleshooting Steps Configuring Compatible Storage Configurations?

Step 1: Step 1: Ensure that both the source and target VMs use compatible storage configurations. This can be achieved by verifying that the disk format used in the source VM matches the disk format used in the target VM.Step 2: Step 2: Verify that the boot medium for both VMs is identical, includin

VirtualBox error VERR_SSM_LOAD_CONFIG_MISMATCH when restoring a snapshot

Quick Answer: Check the storage configuration compatibility between source and target VMs.

📋 Table of Contents

💡 Why You Are Getting This Error
🔧 Proven Troubleshooting Steps
✨ Wrapping Up

The 'VERR_SSM_LOAD_CONFIG_MISMATCH' error is encountered when attempting to restore a snapshot in VirtualBox. This issue primarily affects users running Linux distributions, such as CentOS7, and may be frustrating due to the complexity of troubleshooting steps required.

Restoring snapshots can sometimes lead to compatibility issues between source and target VMs, particularly with regards to storage configurations. In this guide, we will walk through two primary methods for resolving this error.

💡 Why You Are Getting This Error

The primary cause of the 'VERR_SSM_LOAD_CONFIG_MISMATCH' error lies in the incompatibility between the storage configuration of the source and target VMs. This can occur when the source VM uses a different disk format or boot medium than the target VM.
An alternative reason for this error may be the failure to properly configure the snapshot restore process. In some cases, the snapshot restoration process may not account for changes made during the original snapshot creation.

🔧 Proven Troubleshooting Steps

Configuring Compatible Storage Configurations

Step 1: Step 1: Ensure that both the source and target VMs use compatible storage configurations. This can be achieved by verifying that the disk format used in the source VM matches the disk format used in the target VM.
Step 2: Step 2: Verify that the boot medium for both VMs is identical, including any necessary configuration files or drivers.
Step 3: Step 3: If using a virtual hard drive (VHD) as the storage device, ensure that it has been properly configured and mirrored between the source and target VMs.

Restoring Snapshots with Care

Step 1: Step 1: Before restoring the snapshot, verify that any changes made during the original snapshot creation have been accounted for in the restore process.
Step 2: Step 2: Use the VirtualBox console to inspect the storage configuration of both VMs before and after restoration. This will help identify any discrepancies or issues with the storage configuration.

✨ Wrapping Up

To resolve the 'VERR_SSM_LOAD_CONFIG_MISMATCH' error, it is essential to carefully configure compatible storage configurations between the source and target VMs. Additionally, taking a cautious approach when restoring snapshots can help prevent this issue from arising in the first place.

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