Create a Freeze Window

Freeze windows allow you to schedule times where certain agent activities are suspended for all linked agents. This activity includes:

  • Receiving and applying software updates
  • Receiving plugin updates
  • Installing or executing agent scans

To create a freeze window for linked agents in Tenable Nessus Manager:

  1. In the top navigation bar, click Sensors.

    The Linked Agents page appears. By default, Linked Agents is selected in the left navigation menu and the Linked Agents tab is active.

  2. In the left navigation bar, click Freeze Windows.

    The Freeze Windows page appears.

  3. In the upper-right corner, click the New Window button.

    The New Freeze Window page appears.

  4. Configure the freeze window options as necessary:

    5. Option Description
    Name The name of the freeze window.
    Enabled

    Indicates whether the freeze window is enabled.

    • If the switch is turned on, the freeze window is enabled and any agents assigned to the freeze window are blocked from certain activities based on its schedule.

    • If the switch is turned off, the freeze window is disabled and any agents assigned to the freeze window ignore its schedule.
    Frequency

    Indicates how often the freeze window occurs. The possible values are:

    • Once

    • Daily

    • Weekly

    • Monthly

    • Yearly
    Window Determines the start and end time of the freeze window using the 24-hour format. You can specify the time window in 30-minute intervals (for example, 9:00 to 17:30).
    Effective Determines the date range during which the freeze window is effective (for example, 2025-06-01 to 2025-07-01). After the Effective date range expires, agents stop following the freeze window schedule.
    Timezone

    The timezone of the Window range.

    A summary of the freeze window schedule appears next to Summary.

  5. Click Save.

    The freeze window goes into effect and appears on the Freeze Windows tab.