Set Blackout Period
This topic explains how to create, edit, and manage blackout periods to prevent certain tasks from running during specified time frames.
To create, edit, or delete a blackout period, you must have the Admin or Edit Blackout Period global permissions.
Create a Blackout Period
A blackout period prevents specific tasks from starting during a defined time range.
To create a blackout period:
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In the navigation pane, under RELEASES, click Releases.
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Click the Calendar tab to switch to calendar view.
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Hover over the desired day and click the ellipsis menu
.
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In the Blackout Period dialog:
- Enter a descriptive name in the Label field
 - Select the start date and time
 - Select the end date and time

 
 - 
Click Save.
You can see all the blackout periods in the calendar view. On the calendar, the blackout period appears as a black marked area.

 
Tasks in Blackout Period
All the tasks can be prevented from starting during a blackout period. You can do this by postponing each task until blackout period is over.
If a task is already running, it cannot be postponed.
To Postpone a Task:
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In the left navigation bar, under the Releases, select Releases.
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Select the release and then the task you want to postpone.
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Click the Scheduling tab in the left panel.
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Turn on the Postpone during blackout toggle to postpone tasks during the blackout period.

 
The task scheduled start date is reset to 1 minute after the set end date of the blackout period.
If a task is postponed during blackout period, you can manually override the setting and start the task immediately.
To enable, disable, or override the Postpone during blackout period setting on a task, you must have the Admin global permissions or the Edit Task Blackout release permissions.
Edit Blackout Period
To edit a blackout period:
- 
In the left navigation bar, under the Releases, select Releases.
 - 
Click the Calendar tab and select the blackout period you want to edit.
The Blackout period dialog appears.
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Edit the required properties.
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Click Save.
 
Delete Blackout Period
To delete a blackout period:
- 
In the left navigation bar, under the Releases, select Releases.
 - 
Click the Calendar tab and select the blackout period you want to delete.
The Delete Blackout dialog appears. - 
Click Delete.
noteIf a task is set to Postpone during blackout period and you delete the blackout period, the task retains the current scheduled start date.