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# AWS::ODB::CloudExadataInfrastructure MaintenanceWindow
<a name="aws-properties-odb-cloudexadatainfrastructure-maintenancewindow"></a>

The scheduling details for the maintenance window. Patching and system updates take place during the maintenance window.

## Syntax
<a name="aws-properties-odb-cloudexadatainfrastructure-maintenancewindow-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-odb-cloudexadatainfrastructure-maintenancewindow-syntax.json"></a>

```
{
  "[CustomActionTimeoutInMins](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-customactiontimeoutinmins)" : {{Integer}},
  "[DaysOfWeek](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-daysofweek)" : {{[ String, ... ]}},
  "[HoursOfDay](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-hoursofday)" : {{[ Integer, ... ]}},
  "[IsCustomActionTimeoutEnabled](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-iscustomactiontimeoutenabled)" : {{Boolean}},
  "[LeadTimeInWeeks](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-leadtimeinweeks)" : {{Integer}},
  "[Months](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-months)" : {{[ String, ... ]}},
  "[PatchingMode](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-patchingmode)" : {{String}},
  "[Preference](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-preference)" : {{String}},
  "[WeeksOfMonth](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-weeksofmonth)" : {{[ Integer, ... ]}}
}
```

### YAML
<a name="aws-properties-odb-cloudexadatainfrastructure-maintenancewindow-syntax.yaml"></a>

```
  [CustomActionTimeoutInMins](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-customactiontimeoutinmins): {{Integer}}
  [DaysOfWeek](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-daysofweek): {{
    - String}}
  [HoursOfDay](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-hoursofday): {{
    - Integer}}
  [IsCustomActionTimeoutEnabled](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-iscustomactiontimeoutenabled): {{Boolean}}
  [LeadTimeInWeeks](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-leadtimeinweeks): {{Integer}}
  [Months](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-months): {{
    - String}}
  [PatchingMode](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-patchingmode): {{String}}
  [Preference](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-preference): {{String}}
  [WeeksOfMonth](#cfn-odb-cloudexadatainfrastructure-maintenancewindow-weeksofmonth): {{
    - Integer}}
```

## Properties
<a name="aws-properties-odb-cloudexadatainfrastructure-maintenancewindow-properties"></a>

`CustomActionTimeoutInMins`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-customactiontimeoutinmins"></a>
The custom action timeout in minutes for the maintenance window.  
*Required*: No  
*Type*: Integer  
*Minimum*: `15`  
*Maximum*: `120`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DaysOfWeek`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-daysofweek"></a>
The days of the week when maintenance can be performed.  
*Required*: No  
*Type*: Array of String  
*Allowed values*: `MONDAY | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY | SUNDAY`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`HoursOfDay`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-hoursofday"></a>
The hours of the day when maintenance can be performed.  
*Required*: No  
*Type*: Array of Integer  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`IsCustomActionTimeoutEnabled`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-iscustomactiontimeoutenabled"></a>
Indicates whether custom action timeout is enabled for the maintenance window.  
*Required*: No  
*Type*: Boolean  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`LeadTimeInWeeks`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-leadtimeinweeks"></a>
The lead time in weeks before the maintenance window.  
*Required*: No  
*Type*: Integer  
*Minimum*: `1`  
*Maximum*: `4`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Months`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-months"></a>
The months when maintenance can be performed.  
*Required*: No  
*Type*: Array of String  
*Allowed values*: `JANUARY | FEBRUARY | MARCH | APRIL | MAY | JUNE | JULY | AUGUST | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`PatchingMode`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-patchingmode"></a>
The patching mode for the maintenance window.  
*Required*: No  
*Type*: String  
*Allowed values*: `ROLLING | NONROLLING`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Preference`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-preference"></a>
The preference for the maintenance window scheduling.  
*Required*: No  
*Type*: String  
*Allowed values*: `NO_PREFERENCE | CUSTOM_PREFERENCE`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`WeeksOfMonth`  <a name="cfn-odb-cloudexadatainfrastructure-maintenancewindow-weeksofmonth"></a>
The weeks of the month when maintenance can be performed.  
*Required*: No  
*Type*: Array of Integer  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)