MS Essentials Security sur Windows Server

Aside from limited trials, there is no true free antivirus for Microsoft Windows Server 2012 or Windows 2012 R2.

That said, and while Microsoft does not fully support it,  you can install Microsoft Security Essentials on Server 2012, below is how to do so.

  1. Download a copy of MSE from Microsoft: http://windows.microsoft.com/en-us/windows/security-essentials-all-versions
  2. Right Click on the mseinstall.exe.
  3. Click on Properties.
  4. Click on the Compatibility tab.
  5. Locate the Compatibility section.
  6. Check Run this program in compatibility mode for
  7. Select From the drop down menu Windows 7.
  8. Open a Command Prompt as Administrator.
  9. Navigate to your Downloads folder (ie. cd C:\Users\%username%\Downloads).
  10. Run mseinstall /disableoslimit and follow the installer prompts to install MSE on your Windows Server 2012.
mse-remove.bat
cd /d "%ProgramFiles(x86)%\Microsoft Security Client"
TASKKILL /f /im MsMpEng.exe
TASKKILL /f /im msseces.exe
TASKKILL /f /im MpCmdRun.exe
net stop MsMpSvc
sc delete MsMpSvc
REG DELETE "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MsMpSvc" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Antimalware" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Security Client" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Microsoft Antimalware" /f
REG DELETE "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Run\MSC" /f
REG DELETE "HKEY_CLASSES_ROOT\Installer\Products\4C677A77F01DD614880F352F9DCD9D3B" /f
REG DELETE "HKEY_CLASSES_ROOT\Installer\Products\4D880477777087D409D44E533B815F2D" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Client" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{774088D4-0777-4D78-904D-E435B318F5D2}" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{77A776C4-D10F-416D-88F0-53F2D9DCD9B3}" /f
REG DELETE "HKEY_CLASSES_ROOT\Installer\UpgradeCodes\1F69ACF0D1CF2B7418F292F0E05EC20B" /f
REG DELETE "HKEY_CLASSES_ROOT\Installer\UpgradeCodes\11BB99F8B7FD53D4398442FBBAEF050F" /f
REG DELETE "HKEY_CLASSES_ROOT\Installer\UpgradeCodes\26D13F39948E1D546B0106B5539504D9" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\4C677A77F01DD614880F352F9DCD9D3B" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\4D880477777087D409D44E533B815F2D" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UpgradeCodes\11BB99F8B7FD53D4398442FBBAEF050F" /f
REG DELETE "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UpgradeCodes\1F69ACF0D1CF2B7418F292F0E05EC20B" /f
takeown /f "%ProgramData%\Microsoft\Microsoft Antimalware" /a /r
takeown /f "%ProgramData%\Microsoft\Microsoft Security Client" /a /r
takeown /f "%ProgramFiles%\Microsoft Security Client" /a /r
REM Delete the MSE folders.
rmdir /s /q "%ProgramData%\Microsoft\Microsoft Antimalware"
rmdir /s /q "%ProgramData%\Microsoft\Microsoft Security Client"
rmdir /s /q "%ProgramFiles(x86)%\Microsoft Security Client"
REM Stop the WMI and its dependency services
sc stop sharedaccess
sc stop mpssvc
sc stop wscsvc
sc stop iphlpsvc
sc stop winmgmt
REM Delete the Repository folder.
rmdir /s /q "C:\Windows\System32\wbem\Repository"
sc stop
PAUSE
EXIT