What is dmadmin.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the dmadmin.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Dmadmin.exe file information

Windows Task Manager with dmadmin
Dmadmin.exe process in Windows Task Manager

The process known as Logical Disk Manager service process belongs to software Logical Disk Manager for Windows NT or Logical Disk Manager Administrative Service by Microsoft Corp., Veritas Software (

Description: The original dmadmin.exe is an important part of Windows and rarely causes problems. Dmadmin.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 224,768 bytes (54% of all occurrences), 225,280 bytes, 466,944 bytes, 225,792 bytes or 235,008 bytes. 
The program is not visible. The dmadmin.exe file is a Microsoft signed file. Therefore the technical security rating is 12% dangerous, however you should also read the user reviews.

Recommended: Identify dmadmin.exe related errors

If dmadmin.exe is located in a subfolder of the user's profile folder, the security rating is 70% dangerous. The file size is 404,480 bytes (66% of all occurrences) or 403,968 bytes. There is no file information. The program has no visible window. The application starts upon Windows startup (see Registry key: Run). Dmadmin.exe is not a Windows system file.

Important: Some malware camouflages itself as dmadmin.exe, for example Win32.Expiro.Gen.4 (detected by F-Secure), and Packed.Generic.277 or Packed.Vuntid!gen3 (detected by Symantec). Therefore, you should check the dmadmin.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

This is a component of Microsoft Windows Application. dmadmin.exe is an inbuilt process by Veritas into Windows NT, 2000 and later builds of Windows. It is a logical disk manager which manages disks. This program is important for the stable and secure running of your computer and should not be terminated.
dmadmin.exe is a process from Veritas Software and is a logical disk manager admin. Every time you add or change a drives partitions this process is run. If it is running you shouldn't end it because it will end itself.
Running in processes, Using 3.284 mem C:\Windows\System32, 224,768 bytes, also found in C:\Windows\ServicePackFiles\i386, also 224,768 bytes
  J.P.   (further information)

Summary: Average user rating of dmadmin.exe: based on 5 votes with 3 user comments. 2 users think dmadmin.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving dmadmin issues

A clean and tidy computer is the key requirement for avoiding problems with dmadmin. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the dmadmin.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

dmadmin.exe [all]