After you have configured the scheduled scan, you can schedule when to run it, or you can run it immediately.

To schedule the scheduled scan

  1. In the Forefront Protection 2010 for Exchange Server Administrator Console, click Policy Management, and under Antimalware, click Antimalware - Scheduled.

  2. In the Antimalware - Mailbox Scheduled pane, under the Schedule section, configure the following settings:

    1. Enable the scheduled scan by selecting Enable schedule. Clearing this check box disables the scheduled scan.

    2. Select a frequency for the scheduled job. Select from the following options: Once, Daily, or Weekly.

      If the value is Once (the default), the schedule runs once at the date and time specified. If the value is Daily, the schedule runs every day, starting at the date and time specified (see also the Repeat scan every setting). If the value is Weekly, the schedule runs at the date and time specified and every week thereafter at the same time.

    3. Set the Start date and Start time by doing the following: use the drop-down calendar to select the Start date; and then, using the Start time edit box, set the run time.

    4. Optionally, if you have set a frequency of Daily, you can specify a repeat interval. Select the Repeat scan every check box, and then specify a time interval. The minimum time interval you can specify is 0 hours and 15 minutes and the maximum value is 23 hours and 59 minutes (the default).

      The repeat interval causes the schedule to run at the Start date and Start time, and then run again after the specified interval has elapsed, for 24 hours. After 24 hours, the interval resets itself. The schedule runs this way every day at the same time in the same manner.

      As an example: if the schedule is enabled, the frequency is daily, the repeat interval is 5 hours, and the schedule start is 1:00:00 PM on Monday, then the scheduled scan runs every day, every five hours, starting at 1:00:00 PM. However, after 24 hours, the schedule is reset to run again at 1:00:00 PM. On the first day, the job runs at these times:

      1:00:00 PM on Monday

      6:00:00 PM on Monday

      11:00:00 PM on Monday

      4:00:00 AM on Tuesday

      9:00:00 AM on Tuesday

      At that point, adding five hours causes the job to run at 2:00:00 PM on Tuesday. Because this is more than 24 hours past the start time of 1:00:00 PM on Monday, the job resets itself and next runs at 1:00:00 PM on Tuesday (that is, the entire schedule starts again).

  3. Click Save.

To run the scheduled scan immediately

  1. In the Forefront Protection 2010 for Exchange Server Administrator Console, click Policy Management, and under Antimalware, click Antimalware - Scheduled.

  2. In the Antimalware - Mailbox Scheduled pane, click Start. This sets the start time to the current time, thus starting the scan. The Start button is available only if the scheduled scan is not already running.

    Note:
    To stop a scheduled scan that is running, click Stop. Note that you do not need to click Save to start or stop a scheduled scan.

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