How to Use Sysprep in Windows 10

Quick Insight

You use Sysprep on Windows 10 to strip the unique SID from a master image. You run the tool from its folder as admin and check the Generalize box. The system then reboots and walks you through a fresh setup like a new install. It asks you for a region, a license, and a new user name. After the desktop loads, the wmic command shows a brand-new SID. So you clone one clean build onto many PCs with no ID clash.

With Sysprep (System Preparation Tool), you can easily duplicate Windows systems.

Computers in an environment with identical hardware can save time. You can replicate them with Sysprep. Also, you can seamlessly modify user account SID numbers.

Changing Sysprep on Windows OS

How to Change SID Number using Sysprep

Configuring Sysprep in Windows 10 is relatively easy. In the previous article, we covered what Sysprep does. In this article, I’ll show you how to change the user SID.

This process lets you transfer the cloned operating system. You can move it to a computer with the same hardware. As a result, you get quick and seamless installation.

If you have many similar computers, configure one first. Then, use Sysprep to generalize the system. You can also create an installation image.

You can then give this image to other computers. So, you can quickly install or copy your OS.

How to Change SID Number in Windows 10

First, check the SID numbers of existing users. Then, change the SID of a computer with Sysprep. After that, verify your change.

Step 1

Before using Sysprep, let’s look at the user account SID numbers. You can find them in the operating system. Naturally, this information will change after this step.

First, to find the user SID numbers, execute the following command at the CMD prompt.

wmic useraccount get name, sid

Press Windows + R to open the Run.

wmic useraccount get name, sid

Step 2

In the Run window, type Sysprep and press OK.

Windows Run

Step 3

Open the OS imaging tool location. Then, run the program as an administrator.

Run as adminstrator

Step 4

Once you open Sysprep (System Preparation Tool), select the Generalize option.

Then, continue by setting the Shutdown Options setting to Reboot.

System Preparation Tool

Configuring Regional and Express Settings

Step 1

I recommend waiting a short while. The Deployment Tool prepares your OS.

System Tool

Step 2

After you finish the process, your Microsoft system will restart itself.

Starting Windows

Step 3

Wait while the system prepares devices.

Getting Devices Ready

Step 4

After setting the Country, Language, Keyboard, and Time zone, press Next.

Country, Language, and Keyboard Settings

Step 5

The wizard shows license information. Click Accept to continue.

Accept License Agreement

Step 6

Continue by selecting Use Express Settings.

Express Settings

Step 7

Wait while the system prepares the Windows platform.

Just a moment

Creating Account and Cortana Setup

Step 1

To open an account on a local domain, select the option below.

Join a Local Active Directory

Step 2

In the Choose how you’ll connect window, click Next.

Local Active Directory

Step 3

Enter a new username for the system and click on the Next button.

Create an Account for this PC

Step 4

To accept Cortana, click Use Cortana. To bypass Cortana, click Not Now.

Use Cortana

Step 5

Now, you see a welcome screen. It looks like a fresh OS installation.

We're happy you're here

Step 6

After your computer turns on, compare the SID numbers. You can see that they are different.

User Account SID Number

Step 2

Watch the video below for step-by-step SID Tool instructions. Also, subscribe to our YouTube channel to support us!

Video Thumbnail
Watch on YouTube

Frequently Asked Questions About Sysprep

What is Sysprep and why should I use it?

In short, Sysprep is Microsoft’s system preparation tool. It lets you clone dozens of computers with identical hardware. I always tell my clients: don’t waste time with manual installations.
Set up one system, then replicate it. The real secret is: instead of installing Windows on each computer separately, create an image and deploy it.

What is SID? Why should I change it?

SID is a unique identification number for each user account. Machines with the same SID cause problems on the network. For example, you may experience conflicts in a domain environment.
Therefore, resetting SIDs before cloning is essential. Fortunately, Sysprep handles this automatically. Select the ‘Generalize’ option, and the tool will take care of the rest.

What should I pay attention to before running Sysprep?

First, install all applications and updates. Then clean up temporary files. Also temporarily disable your antivirus software.
Otherwise, the tool might get stuck. Make sure you run it as administrator. Type ‘sysprep’ in CMD and press Enter.

What does the Generalize option do?

This option resets all of Windows’ unique data. It clears SIDs, event logs, and more. Thus, you can make the image unique for each computer.
In other words, it’s like performing a fresh installation. But beware: this process is irreversible. So ensure the system is fully ready before imaging.

My computer restarts after Sysprep. Is that normal?

Yes, it’s completely normal. In fact, this is a good sign. The tool performs an automatic restart after completing its process.
Then you’ll see the ‘Country, Language, Keyboard’ screen. It feels like you just installed Windows. Don’t panic.
Follow these steps and create a new user account. Restart the system once more. Now your image is ready.

How do I deploy the image I created to other computers?

Copy the image you created to a USB drive or network server. Then boot the target computer from that media. You can use tools like Clonezilla, MDT, or Acronis for deployment.
Write the image to the disk and start the system. As a result, each machine will run with its own unique SID. With Sysprep, you reduce hours of work to minutes.

Conclusion

In this article, we examined how to configure Sysprep. You can create a Windows 10 custom image. Then, you can deploy it to other computers. Thanks for following us!

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