Fixed: Samsung Data Migration Interrupted for Unknown Reason Windows 11

Samsung data migration interrupted for unknown reason in Windows 11, 10, 8, 7 when cloning disk to Samsung SSD? This article will tell you the possible causes and a free alternative for all Windows if Samsung data migration stopped next time.


By Hedy / Updated on June 12, 2024

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"Samsung Data Migration interrupted for unknown reason"

"I am trying to clone one of my disks to Samsung SSD drive via Samsung Data Migration. But this software hangs at 99% for several minutes, then the pop-out message is:'The Data Migration function has been interrupted for an unknown reason.' Anyone knows how to fix this?"


Causes and quick fixes to Samsung Data Migration stopped for unknown reason

Samsung Data Migration(SDM) is a data migration and backup software specially designed for those users who are using Samsung SSD which is warmly welcomed by computer users because of its excellent merits compared with HDD. This software allows users to easily migrate data like operating systems or applications from an existing HDD to a new Samsung SSD.

However, when you look through the website, you will find many Samsung users are complaining about their unhappy experience of using Samsung Data Migration like Samsung Data Migration stuck at 99 or Cloning Failed.

Here we listed some possible causes for Samsung Data Migration interrupted Windows 11 and quick fixes to it:

Cause 1. Samsung driver is not connected. 

If your SATA port or SATA-to-USB cable is loosely connected to your computer, it's easy to cause abrupt interruption during the process of cloning the disk. Please keep connection all the time.

Cause 2. Current SDM version needs to be upgraded to the newest one. 

Your computer may not be compatible with the older one, so make sure you have upgraded from the official site.

Cause 3. There is something wrong with your source disk or SSD drive. 

For example, bad sectors or disk errors may interrupt the cloning process of SDM. You can run the "CHKDSK" command to check the bad sectors and repair them with a professional repair tool.

Cause 4. There is too much data for the destination Samsung SSD. 

In fact, the ideal data amount had better take up 75% capacity of the target disk's entire space. If you want to transfer data that will take more space than the perfect size, the SDM will be overburdened and interrupted suddenly.

Free alternative to evade "Samsung Data Migration interrupted for unknown reason windows 11"

When you encounter the "Samsung Data Migration interrupted for unknown reason" problem, you might have to check out the possible reasons one by one, which certainly wastes lots of time and energy. Since we know SDM is designed for users to migrate data from one disk to another by cloning but always brings annoying troubles during usage, why not consider a more powerful and professional software to clone your disk in a secure way?

Here, AOMEI Partition Assistant Standard is highly recommended to you. It's not only totally free but also has professional and reliable functions in disk clone. For instance, the following points present its advantages in cloning:

It can not only support cloning disks on Samsung SSD but also other various branded SSD drives.

It is able to clone both the system disk and data disk to another drive while Samsung Data Migration can only clone the system disk.

★ It comes with a "hot clone" feature that lets you use your computer while copying the hard drive.

It can even only clone a single partition or several partitions in a disk to HDD or SSD.

It enables you to clone the large drive to a smaller SSD, which is not supported by many other cloning tools.

Now download the free software and try cloning the disk to the SSD drive by yourself:

Download FreewareWin 11/10/8.1/8/7/XP
Secure Download

Step 1. Install and launch AOMEI Partition Assistant, click "Clone" in the main interface and select "Clone Disk".

Disk Copy

Step 2. Choose the hard disk that you need to clone as the source disk and click "Next".

Copy Disk in Windows 10 Quickly

Step 3. Select the destination disk to store the data on the source disk, and then click "Next".

Seleect Destination Disk

Step 4. Then, you can check the source and destination disk in the next window or change to “Sector to Sector clone”, and click the "Confirm" button to continue if there is no problem.

Edit Disk

Here, you can also click the "Settings" button to adjust the partition size on the destination disk or tick "4k alignment" to improve the reading and writing speed of SSD if the target disk is an SSD drive.


Step 5. At last, click "Apply" and "Proceed" in the main interface to start cloning the hard drive.


The free Standard edition only supports cloning MBR data disk to MBR disk. If you want to clone the boot disk between MBR and GPT partition styles, please upgrade to the Professional edition.
Please make sure you have backed up all the important data in advance because all data on the chosen Samsung SSD drive will be deleted during the cloning process.
You can select "Optimize the performance of SSD" to optimize SSD read and write speed to get better performance.


If the Samsung Data Migration interrupted for unknown reason Windows 11 once again, AOMEI Partition Assistant is a good alternative software for you to clone disk so that you can easily avoid such an issue with the help of it. 

Moreover, this software is more than a simple cloning software, it also provides lots of practical features for you to manage your partitions. For example, if you want to transfer Windows OS to SSD from HDD, you can switch to the "Migrate OS to SSD Wizard" feature; if you find your hard drive is full, you can move apps/folders to another drive, remove junk files or delete large files to free up space.

Hedy · Staff Editor
Hedy is an editor of AOMEI Technology. She is very good at solving problems of partition management, and she wants to share all the problems she had already solved to users who met the same questions.