What is MsgSvr.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 MsgSvr.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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MsgSvr.exe file information

The process known as Promise Message Server or Promise RAID Message Server or Western Digital Message Server belongs to software Promise Message Server or Promise RAID Message Server or Western Digital Message Server or Promise Array Message Server by Promise Technology (

Description: MsgSvr.exe is not essential for the Windows OS and causes relatively few problems. The file MsgSvr.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 323,584 bytes (78% of all occurrences) or 315,392 bytes. 
The program is not visible. It is not a Windows system file. The application uses ports to connect to or from a LAN or the Internet. The program has no file description. MsgSvr.exe is able to connect to the Internet and record keyboard and mouse inputs. Therefore the technical security rating is 62% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you are having problems with MsgSvr.exe, you can uninstall the associated program (Start > Control Panel > Uninstall a Program > Promise Array Management).

Recommended: Identify MsgSvr.exe related errors

Important: Some malware camouflages itself as MsgSvr.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the MsgSvr.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

Monitors your RAID controller
  D. Kalnæs  
Application for Promise Raid Controller
By using VIA RAID Tool, you can access to different RAID functions efficiently.
  Steven L  
It's part of the monitor/admin tool for Promise RAID arrays. It opens a TCP connection locally to it's sibling MSGAGT.exe. Valuable and harmless if you have a Promise RAID ctrlr.
  J R  
Promise RAID
viele Seitenfehler große Systemlast
  Kieskritiker   (further information)

Summary: Average user rating of MsgSvr.exe: based on 7 votes with 6 user comments. 7 users think MsgSvr.exe is essential for Windows or an installed application. 3 users don't grade MsgSvr.exe ("not sure about it").

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Best practices for resolving MsgSvr issues

A clean and tidy computer is the key requirement for avoiding problems with MsgSvr. 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 MsgSvr.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

MsgSvr.exe [all]