Menu path: Setup > Security > Windows Defender

In this area, you can configure Windows Defender's download behavior for antimalware definition updates.

  • Use IGEL Setup for configuring Microsoft Windows Defender: Defines whether the the thin client's local configuration of Windows Defender will be overwritten by the settings made here.

    The thin client's local settings will be overwritten. (Default)

    The thin client's local settings will not be overwritten.

  • Enable Windows Defender: Enable or disable Windows Defender.

    Windows Defender is enabled. (Default)

  • Source for downloading definition updates: The source from which to download definition updates.
    Possible values:
    • Microsoft Update Server: Definition updates will be downloaded from the Microsoft Update Server.
    • Windows Server Update Services (WSUS): Definition updates will be downloaded from the Windows Server Update Services.
    • File share: Definition updates will be downloaded from the file share/s specified under File share for downloading definition updates.
  • File shares for downloading definition updates: The file share/s for downloading definition updates.
You can provide one or several file shares. The file shares must be seperated by a pipe smybol |. File shares are used in the order their of appearance in the list. Example: \\server1\share1|\\server1\share2.
  • Windows Defender updates timeout: The timeout for downloading updates for Windows Defender.
    This option applies only if Microsoft Defender update definition download is set to Schedule.
    Possible values:
    • 10 minutes
    • 20 minutes
    • 30 minutes
  • Windows Defender update definition download: Defines if update definitions are to be downloaded, and according to which configuration.
    • Enabled: Windows Defender will download definition updates according to its local configuration on the thin client.
Important: If Windows Defender update definition download is Enabled with activated write filter, the overlay usage will grow significantly. Excess memory consumption will degrade system performance.
  • Disabled: Windows Defender will be prevented from downloading any definition updates.
  • Schedule: Windows Defender will download definition updates according to the schedule specified under Start and Recur every days.
When Schedule is selected, the write filter will be deactivated during definition updates to keep RAM usage low.

Important: When a scheduled update is executed, the thin client will be automatically force-rebooted several times. Due to this, it is strongly recommended to configure the schedule so that updates are only executed during times nobody is using the thin client.
  • Start: The date and time when definition updates are to be downloaded for the first time.
The date and time specified under Start is the date time relative to the thin client's local timezone.
  • Choose time: Click this button to choose a starting time.
  • Recur every days: The interval in days at which signatures are downloaded, beginning on Start.
    Possible values: [1-999] (Default: 1)