Use DescribeActivations with a CLI

To describe activations

The following describe-activations example lists details about the activations in your Amazon account.

aws ssm describe-activations

Output:

{
    "ActivationList": [
        {
            "ActivationId": "5743558d-563b-4457-8682-d16c3EXAMPLE",
            "Description": "Example1",
            "IamRole": "HybridWebServersRole,
            "RegistrationLimit": 5,
            "RegistrationsCount": 5,
            "ExpirationDate": 1584316800.0,
            "Expired": false,
            "CreatedDate": 1581954699.792
        },
        {
            "ActivationId": "3ee0322b-f62d-40eb-b672-13ebfEXAMPLE",
            "Description": "Example2",
            "IamRole": "HybridDatabaseServersRole",
            "RegistrationLimit": 5,
            "RegistrationsCount": 5,
            "ExpirationDate": 1580515200.0,
            "Expired": true,
            "CreatedDate": 1578064132.002
        },
    ]
}

For more information, see Step 4: Create a Managed-Instance Activation for a Hybrid Environment in the Amazon Systems Manager User Guide.

Example 1: This example provides details about the activations on your account.

Get-SSMActivation

Output:

ActivationId        : 08e51e79-1e36-446c-8e63-9458569c1363
CreatedDate         : 3/1/2017 12:01:51 AM
DefaultInstanceName : MyWebServers
Description         :
ExpirationDate      : 3/2/2017 12:01:51 AM
Expired             : False
IamRole             : AutomationRole
RegistrationLimit   : 10
RegistrationsCount  : 0