What is BESClient.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 BESClient.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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BESClient.exe file information

Windows Task Manager with BESClient
BESClient.exe process in Windows Task Manager

The process known as BigFix BESClient Application or BES Client or TivoliEndpointManagerProductionClient_8.1.551.0 or Tivoli Endpoint Manager Agent or BigFix Enterprise Client

belongs to software BigFix Enterprise Client or Extend360 Enforcement Agent or IBM Endpoint Manager Client or Tivoli Endpoint Manager Client or IBM BigFix Client or TivoliEndpointManagerProduct

by BigFix ( or IBM (

Description: BESClient.exe is not essential for Windows and will often cause problems. The BESClient.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 2,138,112 bytes (51% of all occurrences), 2,809,856 bytes and 10 more variants. 
The program is not visible. The file is not a Windows system file. The application listens for or sends data on open ports to a LAN or the Internet. BESClient.exe is able to hide itself and monitor applications. Therefore the technical security rating is 54% dangerous, however you should also read the user reviews.

Uninstalling this variant: You have the option to contact Customer Service, search for an update on the vendor’s website or uninstall the program using the Control Panel ⇒ Uninstall a ProgramBigFix Enterprise Client or Extend360 Enforcement Agent.

Recommended: Identify BESClient.exe related errors

Important: Some malware camouflages itself as BESClient.exe. Therefore, you should check the BESClient.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

Used by corporations to insure that the latest security patches are on the PC
This is the agent application for the BES enterprise systems management product.
  Ryan Russell   (further information)
Required by enterprise to manage computers
Sends info back to others for application tracking. If you like to be tracked, you'll love it.
  C Butler  
It may have been installed by my company on my company laptop. It is trying to reach
  David Sanders  
BESClient.exe is using 99% of my cpu causing my computer to work at dial up speed. It' irritating if you ask me.
It uses to much cpu and it nothing more than spyware for my company. I blocked it immediately after seeing that it is monitoring and trying to report on my software.
  Disgruntled employee  
It's on my system and sometimes brings it to it's knees. Our system admin told me I could remove it so I did!
  Jeffrey DeWitt  
Used by Corporations to insure that the latest patches for applications and security are loaded.
This process is eating since today and for at least one uninterrupted hour 48% of my CPU power which implies heat and noise. I stopped it manually.
  carlos blanquer  
Used in Enterprise networks to apply (security) updates.
  Uli Reyher  
lousy application.. used much cpu resources!
If is part of the Fiberlink package, which sucks royally. Drags down the performance of the computer and dont really offer that much functionality with value.
  Agressive Enterprise IT Admin  
My department has decided to install this nonsense and my system is struggeling, especially since I have VMWare running so Im getting a double hit by this nonsense
  Tom Martin  
Just another corporate spyware scanner. Uninstall if you can get away with it.
  IT Employee  
It is installed on my work PC and it significantly reduces my productivity. But, at least the IT guys can spy on my that's good.
My company might be using it for system updates, but in addition it also kills any torrent programs every 10 minutes..
  ANex   (further information)
It doesn't use much CPU time, but does sometimes cripple my system with its disk accesses. My company installs it to manage my laptop.
It is used by my company to insure that the latest patches for applications and security are loaded. If you are using a company owned computer, deal with it. They they own the computer not you. :) As far as it potentially spying on you, if you are worried about them spying on you doing something, you shouldn't be doing it at work anyway...
It is a useful tool for IT to watch PC's for malware installs, and to track version updates. It have some flakyness where it consumes CPU, but the latest Build (9) seems to have taken care of most of it. IT Policies are in place for a reason. There should be no reason this is on a home PC unless you put it there.
the program slow down each pc. vcenter5.5 and 6 destroyed. we had to set up new both Cluster. also the Software installs a Network scan Software and scans the hole Network all day Long. you cann see the scans with wireshark. AND after complete de-installation the programm is still running hidden as Service and sending data on a 52311 Port to the Internet.

Rating chart

Summary: Average user rating of BESClient.exe: based on 24 votes with 22 user comments. 8 users think BESClient.exe is essential for Windows or an installed application. 3 users think it's probably harmless. 5 users think it's neither essential nor dangerous. 2 users suspect danger. 6 users think BESClient.exe is dangerous and recommend removing it.

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Best practices for resolving BESClient issues

A clean and tidy computer is the key requirement for avoiding problems with BESClient. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the BESClient.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

BESClient.exe [all]