# AWSApplicationMigrationSSMAccess
<a name="AWSApplicationMigrationSSMAccess"></a>

**Description**: This policy provides access to Amazon SSM operations required to use Application Migration Service (MGN) to execute custom post migration command SSM documents. Attach this policy to your IAM users or roles.

`AWSApplicationMigrationSSMAccess` is an [AWS managed policy](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies).

## Using this policy
<a name="AWSApplicationMigrationSSMAccess-how-to-use"></a>

You can attach `AWSApplicationMigrationSSMAccess` to your users, groups, and roles.

## Policy details
<a name="AWSApplicationMigrationSSMAccess-details"></a>
+ **Type**: AWS managed policy 
+ **Creation time**: November 27, 2022, 09:29 UTC 
+ **Edited time:** February 12, 2026, 18:00 UTC
+ **ARN**: `arn:aws:iam::aws:policy/AWSApplicationMigrationSSMAccess`

## Policy version
<a name="AWSApplicationMigrationSSMAccess-version"></a>

**Policy version:** v5 (default)

The policy's default version is the version that defines the permissions for the policy. When a user or role with the policy makes a request to access an AWS resource, AWS checks the default version of the policy to determine whether to allow the request. 

## JSON policy document
<a name="AWSApplicationMigrationSSMAccess-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Effect" : "Allow",
      "Action" : [
        "ssm:GetCommandInvocation",
        "ssm:DescribeInstanceInformation"
      ],
      "Resource" : [
        "*"
      ],
      "Condition" : {
        "ForAnyValue:StringEquals" : {
          "aws:CalledVia" : [
            "mgn.amazonaws.com"
          ]
        }
      }
    },
    {
      "Effect" : "Allow",
      "Action" : [
        "ssm:SendCommand",
        "ssm:DescribeDocument",
        "ssm:StartAutomationExecution"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:document/*",
        "arn:aws:ssm:*:*:automation-execution/*",
        "arn:aws:ssm:*:*:automation-definition/*:*"
      ],
      "Condition" : {
        "ForAnyValue:StringEquals" : {
          "aws:CalledVia" : [
            "mgn.amazonaws.com"
          ]
        }
      }
    },
    {
      "Effect" : "Allow",
      "Action" : [
        "ssm:SendCommand"
      ],
      "Resource" : [
        "arn:aws:ec2:*:*:instance/*"
      ],
      "Condition" : {
        "ForAnyValue:StringEquals" : {
          "aws:CalledVia" : [
            "mgn.amazonaws.com"
          ]
        },
        "Null" : {
          "aws:ResourceTag/AWSApplicationMigrationServiceManaged" : "false"
        }
      }
    },
    {
      "Effect" : "Allow",
      "Action" : [
        "ssm:ListDocuments"
      ],
      "Resource" : "*"
    },
    {
      "Effect" : "Allow",
      "Action" : [
        "ssm:ListDocumentVersions",
        "ssm:GetDocument"
      ],
      "Resource" : "arn:aws:ssm:*:*:document/*"
    }
  ]
}
```

## Learn more
<a name="AWSApplicationMigrationSSMAccess-learn-more"></a>
+ [Create a permission set using AWS managed policies in IAM Identity Center](https://docs.aws.amazon.com/singlesignon/latest/userguide/howtocreatepermissionset.html) 
+ [Adding and removing IAM identity permissions](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_manage-attach-detach.html) 
+ [Understand versioning for IAM policies](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [Get started with AWS managed policies and move toward least-privilege permissions](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)