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
 
 
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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.
Edit Blackout Period
To edit a blackout period:
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In the left navigation bar, under the Releases, select Releases. 
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Click the Calendar tab and select the blackout period you want to edit.  The Blackout period dialog appears. 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:
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In the left navigation bar, under the Releases, select Releases. 
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Click the Calendar tab and select the blackout period you want to delete.  The Delete Blackout dialog appears. The Delete Blackout dialog appears.
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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.