Samsung Data Migration Stuck at 99%, 0%, or 100%? 5 Fixes Here!

Samsung Data Migration (SDM) is specially designed for Samsung consumers to transfer all data, such as OS, installed apps, and crucial files from one existing HDD or SSD to a new Samsung SSD.

Although this Samsung data migration tool can easily and quickly clone hard drives to Samsung SSDs, some users report that they have encountered issues such as Samsung Data Migration stuck at 99%, 0%, or 100% and Samsung Data Migration interrupted for unknown reason when transferring data from one old storage drive to a new Samsung 850 EVO SSD, 840 EVO SSD, or 840 Pro SSD.

Then, how do I fix the Samsung Data Migration stuck at 99 percent issue, and what are the causes behind it? Follow this guide from EaseUS to solve this problem and get answers quickly.

How to Fix Samsung Data Migration Stuck at 99%, 0%, or 100%

This part introduces 5 solutions for the Samsung Data Migration software stuck at 99%. Let's explore separately:

Way 1: Change Another SATA Cable and SATA Port

Sometimes, the Samsung Data Migration stuck at 0, 99, or 100 percent may be caused by a defective SATA Cable or SATA Port. In this case, you can:

▪︎ Check if the SATA/USB is connected correctly.

▪︎ Switch the SATA cable to another motherboard port.

▪︎ Try a different SATA cable or port.

Way 2: Check the Target Disk Space

If the Samsung Data Migration not working problem still exists, check the storage space of the destination Samsung SSD. The transfer process is bound to fail when you clone larger disk to smaller SSD, such as clone 500GB HDD to 250GB SSD.

Step 1. Press the Windows + R keys together to open the Run dialog box. Type diskmgmt.msc and hit Enter.

Step 2. It will open the Disk Management windows. You can see the list of all your hard drives and confirm the space of your target Samsung SSD.

Way 3: Check the Source and Target Samsung SSD

The third method is to check if both your previous drive and new solid-state drive are working properly. Sometimes, a bad sector or damaged drive may prevent your Samsung disk from cloning completely and cause Samsung Magician stuck at 99%.

Windows offers users a built-in disk check tool, CHKDSK Command, to check hard drive health. Follow the steps:

Step 1. Connect your Samsung SSD to the computer and ensure it can be detected.

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

Step 3. In the Command Prompt windows, type chkdsk /f C: ( Replace C with the X of your Samsung SSD). Press Enter.

Way 4: Turn Off the Device Encryption Feature

Another reason your Samsung Data Migration stuck at 99% may be that you have encrypted the device. Therefore, you are supposed to turn off the Device encryption feature to let the Samsung drive cloner complete its tasks.

Step 1. Press the Windows + I keys together to open Settings.

Step 2. Navigate to Privacy & security > Device encryption.

Step 3. Toggle off Device encryption.

Step 4. When the warning prompt appears, tap Turn off.

Step 5. Restart your computer to take the changes into effect.

Way 5: Update Samsung Data Migration to the Latest Version

Also, an outdated SDM app can cause software update interrupted Samsung. Updating your Samsung migration software to its latest version may fix the Samsung disk clone software getting stuck issue.

Step 1. Launch a browser on your device to visit Samsung's official website.

Step 2. Go to Samsung Magician Software > For Consumer Storage > Magician Software > For Windows > click Download.

Step 3. Wait for the Samsung data migration download to finish.

The Best Alternative to Samsung Migration Software

Apart from the Samsung Data Migration Stuck at 99% issue, there are many dilemmas you may meet when using SDM, such as Samsung Magician won't open, Samsung Magician won't update, Samsung Magician stuck on scanning for drive information, and Samsung Data Migration cannot select drive.

All these problems can burden your cloning experience and cost you more time and energy. To simplify your Samsung SSD cloning process and guarantee a hassle-free data transfer journey, try another fast and secure disk cloning software: EaseUS Disk Copy.

EaseUS Disk Copy supports cloning all Samsung and other brands' internal SSDs, portable SSDs, memory cards, and USB flash drives. You can clone hard drives, transfer OS to new hard drives, upgrade HDD with SSD without reinstalling Windows, and more.

What makes EaseUS Disk Copy stand out:

• Support Windows clone, disk clone, and partition clone with 3 simple clicks.
• Clone hard drives with blank or logically bad sectors.
• Create a complete backup for instant restore.
• Create bootable clones of Windows disks to restore a computer to normal.
• Work perfectly with Windows 11/10/8/7.

Follow the following simple steps to clone Samsung SSD 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.

Why Samsung Data Migration Stuck at 99%, 0%, or 100%

According to specific fixes for the Samsung Magician Data Migration Stuck at 99 percent issue mentioned above, you can guess some of the causes behind it. Let's summarize here:

Conclusion

Several reasons can arouse the Samsung Data Migration Stuck at 99 issue. But don't be afraid. Follow the corresponding solutions provided, and you will find it is easy to solve this problem.

If some users want an easier-to-use alternative or more advanced cloning features, EaseUS Disk Copy is always here to help. Download this advanced clone toolkit to fix your issue and easily meet future cloning demands.

Samsung SSD Data Migration Stuck at 99 FAQs

Here are 3 common questions about the Samsung data transfer stuck at 99, 100, or 0 percent issue. Check out for more.

1. How long does Samsung data migration take?

According to Samsung officials, SDM can transfer data at a speed of up to 130MB/s. However, the actual time can depend on your file size and computer's performance. The test shows 90 GB can be cloned in about 3 hours.

2. Why is my Samsung data migration not working?

The reasons for Samsung data migration not working can be various. Here are some common causes:

☞ Your Samsung Data Migration has not been updated to the latest version.

☞ Something is wrong with the SATA port or SATA-to-USB cable.

☞ There is no operating system on the source disk.

☞ There are 2 or more operating systems on the source disk.

☞ The Samsung SSD you connected is not supported.

☞ You are cloning encrypted hard drives.

☞ There is not enough space available on the target Samsung SSD.

☞ Bad sectors or damaged disks.

3. Can I uninstall Samsung data migration?

Yes, you can uninstall the Samsung disk migration tool. Go to Control Panel > Uninstall a program > select Samsung Data Migration from the list.