By Ivy / Last Updated April 25, 2021

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What is DISM tool?

DISM(short for Deployment Imaging Servicing Management), preinstalled on Windows 8.1 and Windows 10, is commonly used to repair and prepare Windows images on Windows Recovery Environment, Windows Setup, Windows PE.

Working as a system management tool, it can help you resolve corrupted system files, even when SFC SCANNOW not working.

Why do you receive DISM error in Windows 10?

DISM error 87: the parameter is incorrect may be the outcome of a small mistake, such as, typing the wrong command when using DISM /CheckHealth or DISM /ScanHealth. Thus, the first thing is to make sure that you type the right command.

Error 87

Then, see the possible reasons in the following and confirm your own cause for this issue.

1. Windows 10 Update error. After DISM find a corrupted images or files, it will use Windows 10 Update to download the necessary files. If Windows Update failed, the process will be interrupted.

2. Attempting to copy a file over 48GB from one partition to another partition using DISM /AddPackage.

3. A required service does not start, such as, you cannot connect to a network.

Fixed – DISM error 87: the parameter is incorrect

In this part, I’ll show you how to fix error 87 in Windows 10 with five effective methods:

Method 1: Use DISM command-line correctly

Users often forget to add a space before the slash and type the command like below.


To type the command correctly, you need to add a space before the slash. Just like the following command.

DISM /online /cleanup-image /checkhealth

Correct Command

Method 2: Revert Windows Update and clear Component Store

Windows Update can be a cause for DISM error 87. To fix this issue, you can restore Windows Update to a previous good state and clean up the component store. It supports Windows Updates, installations and configurations.

Step 1. Type cmd in the search box and run as administrator.

Step 2. Type the following command to revert Windows Update and hit Enter. Then, restart your computer and save these changes.

dism.exe /image:C: /cleanup-image /revertpendingactions

Step 3. Type the command below and hit Enter. After that, restart your computer and make these changes available.

dism.exe /online /cleanup-image /startcomponentcleanup

Now, the component store and potential corrupted files may be cleaned up. You are likely to run DISM well on Windows 10.

Method 3: Run SFC /SCANNOW tool

SFC /SCANNOW can also fix the corrupted files. You can try it first and run DISM again.

Step 1. Run cmd as administrator.

Step 2. Type sfc /scannow in the command prompt window and hit Enter.


Step 3. Run DISM again.

Method 4: Run CHKDSK tool

Some users report the CHKDSK can solve DISM error 87 in Windows 10. Try it if you have on idea.

Step 1. Run cmd as administrator.

Step 2. Type chkdsk C:/r in the command prompt window and press Enter. Type Y if you are asked to run at the next time you start your computer.


Step 3. Run DISM again and check if this issue disappears.

Method 5: Run System Restore

In most cases, System Restore can solve your can be last one you can try. It can solve DISM error 87: the parameter is incorrect but you need to reinstall certain software.

Step 1. Type system restore in the search box and select it.

Step 2. In the first screen, you are told that the recently installed programs will be removed. If you want to continue this operation, click Next.

System Restore

Step 3. Select the restore point in the list and click Next.

Select Restore Point

Step 4. Click Finish to start the restore process.


Sure-fire way to DISM error 87 in Windows 10

You cannot expect that every problem has a solution. Before the irreversible error occurs, you are supposed to do something.

In my opinion, you can create a backup for your computer and save it to external storage device, such as, external hard drive, USB flash drive, cloud drive, NAS. Only in this way, you can protect your computer, even system crashes.

To do so, you can use free backup and restore software AOMEI Backupper. It can help you protect your computer with a backup image. Once something bad happen to your computer, you can restore backup image to your computer.

To serve users in a better way, AOMEI Backupper offers you more useful features.

Besides, AOMEI Backupper recently adds a magic feature called Create Portable Version ( avaiable on the technician or techplus edition), which is convenient for IT technician or support engineers. It allows you to create a portable version of this software to USB flash drive and then use it on the target computer directly without installing first. 

To create a system image backup:

Step 1. Download free AOMEI Backupper, install and launch it.

Download Freeware Win 10/8.1/8/7/XP
Secure Download

Step 2. Click Backup and System Backup in order.

System Backup

Step 3. Select a location for your backup. If you want to save it to USB, you need to insert the disk into your computer first.

Select Destination

Step 4. Set up settings if needed.

Schedule Settings General

Step 5. Click Start Backup to run the pending operation.

To fix DISM error 87: the parameter is incorrect, you can try above ways and it may solve this issue. But you need to take action in advance. If you do not want to reinstall your computer, you need a backup image.