# Blackout Window for Laptops

You can define a blackout window at the server group level to prevent operations from running during specific time periods. By default, backup operations in the CommCell environment run 24 hours a day without restrictions.

For example, you can block backups between 7:00 AM and 10:00 AM to avoid impacting users at the start of the workday. To configure this, create a server group with automatic association for the plan that includes the laptops. Then, in the server group configuration, define a blackout window for the required time period.

When a blackout window is configured, operations that are scheduled to start during the blackout period are placed in a queued state. After the blackout window ends, the queued operations automatically resume.

## Procedure

1. From the Command Center navigation pane, go to Manage > Infrastructure > Server groups.

2. Click the server group name.

3. Click the Configuration tab.

4. In the Blackout window section, click Add .

5. In the Name box, enter a name for the blackout window.

6. In the Operations box, select the Full, Incremental and Differential, Synthetic Full, or Transaction Log backup types to black out.

7. In the Admin operations box, select the administrative job types such as Auxiliary copy, Backup copy, or Upgrade software to black out.

8. Under Do not run job, select the days, weeks, and times to include in the blackout window.

9. Under Of these weeks box, specify the day of the week for which the blackout window rule is applied.

10. To enable the blackout window for dates, move the Between these dates toggle key to the right, and then enter dates in the Start date and End date boxes.

11. To skip the jobs that are scheduled to run during the blackout window, instead of putting them into a queued state, move the Do not submit scheduled job toggle key to the right.

12. Click Save.

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