DescribeInstancePatchStates - AWS Systems Manager


Retrieves the high-level patch state of one or more managed nodes.

Request Syntax

{ "InstanceIds": [ "string" ], "MaxResults": number, "NextToken": "string" }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.


The ID of the managed node for which patch state information should be retrieved.

Type: Array of strings

Array Members: Minimum number of 0 items. Maximum number of 50 items.

Pattern: (^i-(\w{8}|\w{17})$)|(^mi-\w{17}$)

Required: Yes


The maximum number of managed nodes to return (per page).

Type: Integer

Valid Range: Minimum value of 10. Maximum value of 100.

Required: No


The token for the next set of items to return. (You received this token from a previous call.)

Type: String

Required: No

Response Syntax

{ "InstancePatchStates": [ { "BaselineId": "string", "CriticalNonCompliantCount": number, "FailedCount": number, "InstalledCount": number, "InstalledOtherCount": number, "InstalledPendingRebootCount": number, "InstalledRejectedCount": number, "InstallOverrideList": "string", "InstanceId": "string", "LastNoRebootInstallOperationTime": number, "MissingCount": number, "NotApplicableCount": number, "Operation": "string", "OperationEndTime": number, "OperationStartTime": number, "OtherNonCompliantCount": number, "OwnerInformation": "string", "PatchGroup": "string", "RebootOption": "string", "SecurityNonCompliantCount": number, "SnapshotId": "string", "UnreportedNotApplicableCount": number } ], "NextToken": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


The high-level patch state for the requested managed nodes.

Type: Array of InstancePatchState objects


The token to use when requesting the next set of items. If there are no additional items to return, the string is empty.

Type: String


For information about the errors that are common to all actions, see Common Errors.


An error occurred on the server side.

HTTP Status Code: 500


The specified token isn't valid.

HTTP Status Code: 400



This example illustrates one usage of DescribeInstancePatchStates.

Sample Request

POST / HTTP/1.1 Host: Accept-Encoding: identity Content-Length: 40 X-Amz-Target: AmazonSSM.DescribeInstancePatchStates X-Amz-Date: 20180308T202310Z User-Agent: aws-cli/1.11.180 Python/2.7.9 Windows/8 botocore/1.7.38 Content-Type: application/x-amz-json-1.1 Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20180308/us-east-2/ssm/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-amz-target, Signature=39c3b3042cd2aEXAMPLE { "InstanceIds": [ "i-02573cafcfEXAMPLE" ] }

Sample Response

{ "InstancePatchStates": [ { "InstanceId": "i-02573cafcfEXAMPLE", "PatchGroup": "mypatchgroup", "BaselineId": "pb-0c10e65780EXAMPLE", "SnapshotId": "a3f5ff34-9bc4-4d2c-a665-4d1c1EXAMPLE", "CriticalNonCompliantCount": 2, "SecurityNonCompliantCount": 2, "OtherNonCompliantCount": 1, "InstalledCount": 123, "InstalledOtherCount": 334, "InstalledPendingRebootCount": 0, "InstalledRejectedCount": 0, "MissingCount": 1, "FailedCount": 2, "UnreportedNotApplicableCount": 11, "NotApplicableCount": 2063, "OperationStartTime": "2021-05-03T11:00:56-07:00", "OperationEndTime": "2021-05-03T11:01:09-07:00", "Operation": "Scan", "LastNoRebootInstallOperationTime": "2020-06-14T12:17:41-07:00", "RebootOption": "RebootIfNeeded" } ] }

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: