Fixed: Samsung Data Migration Interrupted for Unknown Reason in Windows 11/10

Learn six fixes to Samsung Data Migration interrupted for unknown reasons in Windows 11 and 10. To solve Samsung Data Migration problems and avoid failed SSD cloning issues, you can use the alternative to SDM: EaseUS Disk Copy.

Samsung Data Migration (SDM), developed by Samsung Electronics, is free Samsung cloning software for migrating files and folders from one existing hard drive to a new Samsung-branded SSD. The software supports all Samsung SSD Series (980/970/960/950/870/860/850/830/470) products.

However, using this advanced data transfer software can be challenging, and many users reported encountering certain errors when using SDM. One of the most common errors is Samsung Data Migration interrupted for unknown reason. So, this guide will explore the Samsung Magician interrupted issue in depth. Follow EaseUS to get 6 quick fixes now!

How to Fix Samsung Data Migration Interrupted for Unknown Reason

It is a genuine user case from the Samsung Community. This user found the Samsung Data Migration stuck at 99%, and then the Samsung Data Migration stopped for unknown reason.

What should you do in this situation? Fret not; you can fix the Samsung Data Migration software interrupted for unknown reason issue with the following 6 ways:

Fix 1: Try the Best Alternative to Samsung Data Migration

Although SDM is a powerful and advanced tool for managing Samsung SSDs and cloning hard drives, it inevitably encounters errors during the cloning process, such as Samsung Data Migration not working and Samsung SSD clone failing. This may pose potential risks to your data security and integrity.

For users who want a more stable data migration tool and for beginners who prefer an easy-to-use Samsung migration software alternative, try EaseUS Disk Copy. It ensures smooth disk cloning for diverse brands, including Samsung, Kingston, Western Digital, Seagate, and more.

Delve into how to fix Samsung Data Migration interrupted for unknown reason Windows 11/10/8/7 with EaseUS Disk Copy.

Prior Notice:

• The "Sector by sector copy" asks the size of your destination disk to be at least equal to or larger than that of the source disk. Leave this feature unchecked if you wish to clone a larger hard disk to a smaller hard disk.
• All data on the destination disk will be completely erased, so take care.

Step 1. To start copying/cloning an entire disk to another, choose this disk as the source disk under "Disk Mode" and click "Next".

Step 2. Choose the other disk as the destination disk.

Step 3. Check the disk layout of the two disks. You can manage the disk layout of the destination disk by selecting "Autofit the disk", "Copy as the source" or "Edit disk layout". 

• "Autofit the disk" makes some changes by default on the destination disk layout so that it can work at its best status.
• "Copy as the source"does not change anything on destination disk and the layout is the same as source disk.
• "Edit disk layout" allows you to manually resize/move partition layout on this destination disk.

Tick the "Check the option if the target is SSD" option to put your SSD in its best performance.

A message now appears, warning you that data will be lost. Please confirm this message by clicking "OK" and then click "Next".

Step 4. Click "Proceed" to officially execute the task.

Fix 2: Use a Different SATA Cable or SATA Port

If the SATA cable or SATA port is loosely and faultily connected, you may encounter the Samsung Magician Data Migration interrupted for unknown reason error.

This way, use another SATA port or SATA-USB cable to reconnect your Samsung SSD disk tightly.

Fix 3: Check the Space of the Destination Samsung SSD

Samsung Data Migration interrupted for unknown reason on Windows 11/10/8/7 can also be caused by insufficient space on the target Samsung SSD. Not having enough storage space on the destination disk will overwhelm the SDM and suddenly disrupt it.

In this way, make sure the capacity of your target Samsung SSD is enough to accommodate the source disk. Usually, the file size transferred on the source drive is at most 75% of the total size of the drive disk, leaving 25% buffer space.

Fix 4: Check and Repair Disk Errors

If the Samsung Data Migration error interrupted for unknown reason still exists, consider checking the disk health on both your old hard drive and the new Samsung solid-state drive.

You can run CHKDSK utility to run bad sector repair or check damaged drives:

Step 1. Connect the Samsung SSD to your computer. Make sure it can be detected.

Step 2. Press the Windows + R keys together, type cmd in the Run box, press the Ctrl + Shift + Enter keys together, and Run as administrator.

Step 3. Type the following command line in the Command Prompt windows and press Enter:

chkdsk /f C:

(Replace C with the drive letter of your Samsung SSD).

Fix 5: Update the SSD Driver

Updating the Samsung SSD may also fix Samsung Data Migration interrupted for unknown reason. Follow the steps:

Step 1. Press the Windows + X keys together. Then select Device Manager from the popup list.

Step 2. Expand the Disk drives category. Then right-click the Samsung SSD driver and click Update Driver Software...

Step 3. Select Search automatically for updated driver software in the popup. Then, follow the onscreen instructions to finish the driver update process.

Fix 6: Update SDM to the Latest Version

The last method is to update your Samsung data migration tool to the latest version. An outdated SDM app can also cause Samsung Data Migration interrupted for unknown reason Windows 10/11.

Step 1. Open a browser on your computer. Then, visit Samsung's official website.

Step 2. Navigate to Samsung Magician Software > For Consumer Storage.

Step 3. Go to Magician Software > For Windows > click Download. Then, wait for the Samsung data migration download process to complete.

Why Samsung Data Migration Has Been Interrupted for an Unknown Reason

Since we know what to do if Samsung SSD the data migration function has been interrupted for an unknown reason in Windows 11/10/8/7, we can summarize the causes behind:

☛ Loose or faulty SATA port or SATA-to-USB cable.

☛ Not enough available space on the destination Samsung SSD.

☛ Bad sectors or logical errors on the source and target drives.

☛ Outdated Samsung Data Migration version.

Final Words

You have now learned how to fix the Samsung Data Migration interrupted for unknown reasons issue. To sum up, you can utilize a trustworthy third-party tool like EaseUS Disk Copy for streamlined and simplified Samsung SSD cloning.

EaseUS Disk Copy allows users to migrate data from previous hard drives to Samsung and other brands' HDD/SSD with 3 simple clicks. Download and use it now to simplify your cloning process and enjoy a smooth cloning experience.

Samsung Magician Data Migration Interrupted for Unknown Reason FAQs

There are 4 questions about Samsung Data Migration interrupted for an unknown reason. Please check for more details.

1. What are the limitations of Samsung Data Migration?

Samsung Data Migration provides benefits for data transfer, but it has some limitations:

☹ You can only migrate data from a hard drive to a Samsung SSD. Other brands are not supportive.

☹ It can clone 2 partitions at most.

☹ It only supports Windows operating systems (7 or higher). Linux or macOS are not supportive.

2. Why is my Samsung Data Migration staying at 0?

There are many factors that can cause your Samsung Data Migration stuck at 0%:

➤ Loose or faulty SATA port or SATA cable.

➤ Insufficient space on the target Samsung SSD.

➤ Bad sectors or damaged drives.

➤ Outdated SDM version.

➤ Transfer files that are too large or corrupted to Samsung SSD.

3. What happens if data migration fails?

If Samsung Data Migration fails, the cloning process will not be completed, and data on the source drive cannot be fully transferred to your target drive. In this case, you need to check what causes the Samsung Data Migration clone failed issue and fix the problem as soon as possible.

4. How long does Samsung Data Migration take?

Samsung Data Migration supports a maximum speed of 130MB/s, but the actual time may vary due to file size and PC performance. 90 GB files can be transferred in about 3 hours.