what is dism host servicing process
Deployment Image Servicing and Management (DISM.exe) is a command-line tool that can be used to service a WindowsÂ® image or to prepare a Windows Preinstallation Environment (Windows PE) image.n addition to the command-line tool, DISM is available by using Windows PowerShell. For more information, see Deployment Imaging Servicing Management (DISM) Cmdlets in Windows PowerShell. This topic includes: 1  Image Requirements. 2  Benefits. 3  Common Servicing and Management Scenarios. 4  Limitations.