If you are absolutely certain you need the /RestoreHealth functionality (which attempts to repair the OS automatically using Windows Update), you must understand that the default DISM version on Windows 7 is too old.
Let’s break down exactly why this happens on Windows 7 and how to fix it for good.
Microsoft introduced DISM in Windows Vista and improved it in Windows 7. However, the version of DISM shipped with Windows 7 (version 6.1.7600) is . It lacks many of the powerful repair features found in later versions. how to fix error 87 dism windows 7
If your version is 6.1.7600.16385 (RTM), you have the oldest DISM. If it is 6.1.7601.xxxxx (Service Pack 1 with updates), you have slightly better functionality.
If you are trying to run a different, supported DISM command and still see Error 87, it is likely a : W 7 DISM Error 87 - Tweaking If you are absolutely certain you need the
DISM /Online /Cleanup-Image /RestoreHealth /Source:WIM:X:\Sources\Install.wim:1 /LimitAccess
DISM requires "Elevated" permissions to access system files. If you run it from a standard Command Prompt, it will fail with Error 87. Click and type cmd . Right-click Command Prompt and select Run as Administrator . However, the version of DISM shipped with Windows
If you are still running Windows 7—whether for legacy hardware, personal preference, or enterprise requirements—you have likely encountered the dreaded when trying to use the Deployment Imaging Service and Management Tool (DISM).
But here is the truth most tech forums won't tell you: Many of the commands you find online are designed for newer operating systems. When you paste those into Windows 7, you get Error 87 every time.