Maintenance Configurations - List By Managed Cluster

Service:

AKS

API Version:

2026-08-01

Gets a list of maintenance configurations in the specified managed cluster.

GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerService/managedClusters/{resourceName}/maintenanceConfigurations?api-version=2026-08-01

URI Parameters

Name	In	Required	Type	Description
resourceGroupName	path	True	string minLength: 1 maxLength: 90	The name of the resource group. The name is case insensitive.
resourceName	path	True	string minLength: 1 maxLength: 63 pattern: ^[a-zA-Z0-9]$|^[a-zA-Z0-9][-_a-zA-Z0-9]{0,61}[a-zA-Z0-9]$	The name of the managed cluster resource.
subscriptionId	path	True	string (uuid)	The ID of the target subscription. The value must be an UUID.
api-version	query	True	string minLength: 1	The API version to use for this operation.

Responses

Name	Type	Description
200 OK	MaintenanceConfigurationListResult	Azure operation completed successfully.
Other Status Codes	ErrorResponse	An unexpected error response.

Security

azure_auth

Azure Active Directory OAuth2 Flow.

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name	Description
user_impersonation	impersonate your user account

Examples

List maintenance configurations configured with maintenance window by Managed Cluster

Sample request

HTTP

GET https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/maintenanceConfigurations?api-version=2026-08-01

Sample response

Status code:

200

{
  "value": [
    {
      "name": "aksManagedNodeOSUpgradeSchedule",
      "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/maintenanceConfigurations/aksManagedNodeOSUpgradeSchedule",
      "properties": {
        "maintenanceWindow": {
          "durationHours": 10,
          "schedule": {
            "daily": {
              "intervalDays": 5
            }
          },
          "startDate": "2023-01-01",
          "startTime": "13:30",
          "utcOffset": "-07:00"
        }
      }
    },
    {
      "name": "aksManagedAutoUpgradeSchedule",
      "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/maintenanceConfigurations/aksManagedAutoUpgradeSchedule",
      "properties": {
        "maintenanceWindow": {
          "durationHours": 5,
          "notAllowedDates": [
            {
              "end": "2023-02-25",
              "start": "2023-02-18"
            },
            {
              "end": "2024-01-05",
              "start": "2023-12-23"
            }
          ],
          "schedule": {
            "absoluteMonthly": {
              "dayOfMonth": 15,
              "intervalMonths": 3
            }
          },
          "startDate": "2023-01-01",
          "startTime": "08:30",
          "utcOffset": "+00:00"
        }
      }
    }
  ]
}

Definitions

Name	Description
AbsoluteMonthlySchedule	For schedules like: 'recur every month on the 15th' or 'recur every 3 months on the 20th'.
createdByType	The type of identity that created the resource.
DailySchedule	For schedules like: 'recur every day' or 'recur every 3 days'.
DateSpan	A date range. For example, between '2022-12-23' and '2023-01-05'.
ErrorAdditionalInfo	The resource management error additional info.
ErrorDetail	The error detail.
ErrorResponse	Error response
MaintenanceConfiguration	Planned maintenance configuration, used to configure when updates can be deployed to a Managed Cluster. See planned maintenance for more information about planned maintenance.
MaintenanceConfigurationListResult	The response of a MaintenanceConfiguration list operation.
MaintenanceWindow	Maintenance window used to configure scheduled auto-upgrade for a Managed Cluster.
RelativeMonthlySchedule	For schedules like: 'recur every month on the first Monday' or 'recur every 3 months on last Friday'.
Schedule	One and only one of the schedule types should be specified. Choose either 'daily', 'weekly', 'absoluteMonthly' or 'relativeMonthly' for your maintenance schedule.
systemData	Metadata pertaining to creation and last modification of the resource.
TimeInWeek	Time in a week.
TimeSpan	A time range. For example, between 2021-05-25T13:00:00Z and 2021-05-25T14:00:00Z.
Type	The week index. Specifies on which week of the month the dayOfWeek applies.
WeekDay	The weekday enum.
WeeklySchedule	For schedules like: 'recur every Monday' or 'recur every 3 weeks on Wednesday'.

AbsoluteMonthlySchedule

Object

For schedules like: 'recur every month on the 15th' or 'recur every 3 months on the 20th'.

Name	Type	Description
dayOfMonth	integer (int32) minimum: 1 maximum: 31	The date of the month.
intervalMonths	integer (int32) minimum: 1 maximum: 6	Specifies the number of months between each set of occurrences.

createdByType

Enumeration

The type of identity that created the resource.

Value	Description
User
Application
ManagedIdentity
Key

DailySchedule

Object

For schedules like: 'recur every day' or 'recur every 3 days'.

Name	Type	Description
intervalDays	integer (int32) minimum: 1 maximum: 7	Specifies the number of days between each set of occurrences.

DateSpan

Object

A date range. For example, between '2022-12-23' and '2023-01-05'.

Name	Type	Description
end	string (date)	The end date of the date span.
start	string (date)	The start date of the date span.

ErrorAdditionalInfo

Object

The resource management error additional info.

Name	Type	Description
info	object	The additional info.
type	string	The additional info type.

ErrorDetail

Object

The error detail.

Name	Type	Description
additionalInfo	ErrorAdditionalInfo[]	The error additional info.
code	string	The error code.
details	ErrorDetail[]	The error details.
message	string	The error message.
target	string	The error target.

ErrorResponse

Object

Error response

Name	Type	Description
error	ErrorDetail	The error object.

MaintenanceConfiguration

Object

Planned maintenance configuration, used to configure when updates can be deployed to a Managed Cluster. See planned maintenance for more information about planned maintenance.

Name	Type	Description
id	string (arm-id)	Fully qualified resource ID for the resource. E.g. "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}"
name	string	The name of the resource
properties.maintenanceWindow	MaintenanceWindow	Maintenance window for the maintenance configuration.
properties.notAllowedTime	TimeSpan[]	Time slots on which upgrade is not allowed.
properties.timeInWeek	TimeInWeek[]	Time slots during the week when planned maintenance is allowed to proceed. If two array entries specify the same day of the week, the applied configuration is the union of times in both entries.
systemData	systemData	Azure Resource Manager metadata containing createdBy and modifiedBy information.
type	string	The type of the resource. E.g. "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"

MaintenanceConfigurationListResult

Object

The response of a MaintenanceConfiguration list operation.

Name	Type	Description
nextLink	string (uri)	The link to the next page of items
value	MaintenanceConfiguration[]	The MaintenanceConfiguration items on this page

MaintenanceWindow

Object

Maintenance window used to configure scheduled auto-upgrade for a Managed Cluster.

Name	Type	Default value	Description
durationHours	integer (int32) minimum: 4 maximum: 24	24	Length of maintenance window range from 4 to 24 hours.
notAllowedDates	DateSpan[]		Date ranges on which upgrade is not allowed. 'utcOffset' applies to this field. For example, with 'utcOffset: +02:00' and 'dateSpan' being '2022-12-23' to '2023-01-03', maintenance will be blocked from '2022-12-22 22:00' to '2023-01-03 22:00' in UTC time.
schedule	Schedule		Recurrence schedule for the maintenance window.
startDate	string (date)		The date the maintenance window activates. If the current date is before this date, the maintenance window is inactive and will not be used for upgrades. If not specified, the maintenance window will be active right away.
startTime	string pattern: ^\d{2}:\d{2}$		The start time of the maintenance window. Accepted values are from '00:00' to '23:59'. 'utcOffset' applies to this field. For example: '02:00' with 'utcOffset: +02:00' means UTC time '00:00'.
utcOffset	string pattern: ^(-|\+)[0-9]{2}:[0-9]{2}$		The UTC offset in format +/-HH:mm. For example, '+05:30' for IST and '-07:00' for PST. If not specified, the default is '+00:00'.

RelativeMonthlySchedule

Object

For schedules like: 'recur every month on the first Monday' or 'recur every 3 months on last Friday'.

Name	Type	Description
dayOfWeek	WeekDay	Specifies on which day of the week the maintenance occurs.
intervalMonths	integer (int32) minimum: 1 maximum: 6	Specifies the number of months between each set of occurrences.
weekIndex	Type	The week index. Specifies on which week of the month the dayOfWeek applies.

Schedule

Object

One and only one of the schedule types should be specified. Choose either 'daily', 'weekly', 'absoluteMonthly' or 'relativeMonthly' for your maintenance schedule.

Name	Type	Description
absoluteMonthly	AbsoluteMonthlySchedule	For schedules like: 'recur every month on the 15th' or 'recur every 3 months on the 20th'.
daily	DailySchedule	For schedules like: 'recur every day' or 'recur every 3 days'.
relativeMonthly	RelativeMonthlySchedule	For schedules like: 'recur every month on the first Monday' or 'recur every 3 months on last Friday'.
weekly	WeeklySchedule	For schedules like: 'recur every Monday' or 'recur every 3 weeks on Wednesday'.

systemData

Object

Metadata pertaining to creation and last modification of the resource.

Name	Type	Description
createdAt	string (date-time)	The timestamp of resource creation (UTC).
createdBy	string	The identity that created the resource.
createdByType	createdByType	The type of identity that created the resource.
lastModifiedAt	string (date-time)	The timestamp of resource last modification (UTC)
lastModifiedBy	string	The identity that last modified the resource.
lastModifiedByType	createdByType	The type of identity that last modified the resource.

TimeInWeek

Object

Time in a week.

Name	Type	Description
day	WeekDay	The day of the week.
hourSlots	integer[] (int32) minimum: 0 maximum: 23	A list of hours in the day used to identify a time range. Each integer hour represents a time range beginning at 0m after the hour ending at the next hour (non-inclusive). 0 corresponds to 00:00 UTC, 23 corresponds to 23:00 UTC. Specifying [0, 1] means the 00:00 - 02:00 UTC time range.

TimeSpan

Object

A time range. For example, between 2021-05-25T13:00:00Z and 2021-05-25T14:00:00Z.

Name	Type	Description
end	string (date-time)	The end of a time span
start	string (date-time)	The start of a time span

Type

Enumeration

The week index. Specifies on which week of the month the dayOfWeek applies.

Value	Description
First	First week of the month.
Second	Second week of the month.
Third	Third week of the month.
Fourth	Fourth week of the month.
Last	Last week of the month.

WeekDay

Enumeration

The weekday enum.

Value	Description
Sunday	Represents Sunday.
Monday	Represents Monday.
Tuesday	Represents Tuesday.
Wednesday	Represents Wednesday.
Thursday	Represents Thursday.
Friday	Represents Friday.
Saturday	Represents Saturday.

WeeklySchedule

Object

For schedules like: 'recur every Monday' or 'recur every 3 weeks on Wednesday'.

Name	Type	Description
dayOfWeek	WeekDay	Specifies on which day of the week the maintenance occurs.
intervalWeeks	integer (int32) minimum: 1 maximum: 4	Specifies the number of weeks between each set of occurrences.