AmazonFSxFullAccess

Summary

Provides full access to Amazon FSx and access to related AWS services. The Amazon FSx for Windows File Server User Guide says Amazon FSx also attaches this policy to a service role that allows Amazon FSx to perform actions on your behalf.

Permissions imported from the AWS Managed Policy Reference Guide; other sections reviewed against the listed AWS sources.

Identity

ARN

arn:aws:iam::aws:policy/AmazonFSxFullAccessCopy ARN

Default version

v13

Created

2018-11-28

Last edited

2026-02-12

Services

ds, ec2, firehose, fsx, iam, logs

Control-plane actions (65)

By access level: 5 List, 4 Permissions management, 14 Read, 3 Tagging, 39 Write.

Data-plane actions (1)

By access level: 1 Write.

Excluded and conditional actions

No patterns are excluded by NotAction or Deny statements.

Resource scope and attachment

Resource scope across granted actions: mixed.

Can be attached: Yes, to users, groups and roles.

Why this tier

• Grants at least 80% of the write and permissions-management actions of: fsx (36 of 41).
• 3 granted write or permissions-management actions have no data-plane classification from AWS, so the data-plane rule cannot assess them.

Guidance

Related policies

Same service

• AmazonFSxConsoleFullAccess
• AmazonFSxConsoleReadOnlyAccess
• AmazonFSxReadOnlyAccess
• AmazonNimbleStudio-LaunchProfileWorker
• AWSApplicationMigrationFSxProxyPolicy
• AWSServiceRolePolicyForBackupRestoreTesting
• AWSStorageGatewayServiceRolePolicy

Same domain

• AmazonDMSRedshiftS3Role
• AmazonEC2RoleforAWSCodeDeploy
• AmazonEC2RoleforAWSCodeDeployLimited
• AmazonEFSCSIDriverPolicy
• AmazonElasticFileSystemClientFullAccess
• AmazonElasticFileSystemClientReadOnlyAccess
• AmazonElasticFileSystemClientReadWriteAccess
• AmazonElasticFileSystemFullAccess

Frequently asked questions

When should I attach AmazonFSxFullAccess?

The Amazon FSx for Windows File Server User Guide says you can attach AmazonFSxFullAccess to your IAM entities and that it provides full access to Amazon FSx and access to related AWS services. Attach it for FSx administrators, and consider AmazonFSxReadOnlyAccess where viewing is enough.

What does AmazonFSxFullAccess grant?

It allows 51 fsx actions on all resources, describing directories, creating the Amazon FSx service-linked roles, writing audit logs to log groups under /aws/fsx/ and records to delivery streams named aws-fsx-*, and tagging route tables under a tag condition.

What are the security risks of AmazonFSxFullAccess?

It can create and delete file systems, volumes, backups and snapshots on all resources. Amazon FSx also attaches the policy to a service role. AWS managed policies don't grant least privilege permissions, and you must consider the security risk of granting principals more permissions than they need. AWS updates to the policy affect every identity it is attached to.

Policy JSON

Download policy.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "ViewAWSDSDirectories",
      "Effect": "Allow",
      "Action": [
        "ds:DescribeDirectories"
      ],
      "Resource": "*"
    },
    {
      "Sid": "FullAccessToFSx",
      "Effect": "Allow",
      "Action": [
        "fsx:AssociateFileGateway",
        "fsx:AssociateFileSystemAliases",
        "fsx:CancelDataRepositoryTask",
        "fsx:CopyBackup",
        "fsx:CopySnapshotAndUpdateVolume",
        "fsx:CreateAndAttachS3AccessPoint",
        "fsx:CreateBackup",
        "fsx:CreateDataRepositoryAssociation",
        "fsx:CreateDataRepositoryTask",
        "fsx:CreateFileCache",
        "fsx:CreateFileSystem",
        "fsx:CreateFileSystemFromBackup",
        "fsx:CreateSnapshot",
        "fsx:CreateStorageVirtualMachine",
        "fsx:CreateVolume",
        "fsx:CreateVolumeFromBackup",
        "fsx:DetachAndDeleteS3AccessPoint",
        "fsx:DeleteBackup",
        "fsx:DeleteDataRepositoryAssociation",
        "fsx:DeleteFileCache",
        "fsx:DeleteFileSystem",
        "fsx:DeleteSnapshot",
        "fsx:DeleteStorageVirtualMachine",
        "fsx:DeleteVolume",
        "fsx:DescribeAssociatedFileGateways",
        "fsx:DescribeBackups",
        "fsx:DescribeDataRepositoryAssociations",
        "fsx:DescribeDataRepositoryTasks",
        "fsx:DescribeFileCaches",
        "fsx:DescribeFileSystemAliases",
        "fsx:DescribeFileSystems",
        "fsx:DescribeS3AccessPointAttachments",
        "fsx:DescribeSharedVpcConfiguration",
        "fsx:DescribeSnapshots",
        "fsx:DescribeStorageVirtualMachines",
        "fsx:DescribeVolumes",
        "fsx:DisassociateFileGateway",
        "fsx:DisassociateFileSystemAliases",
        "fsx:ListTagsForResource",
        "fsx:ManageBackupPrincipalAssociations",
        "fsx:ReleaseFileSystemNfsV3Locks",
        "fsx:RestoreVolumeFromSnapshot",
        "fsx:TagResource",
        "fsx:UntagResource",
        "fsx:UpdateDataRepositoryAssociation",
        "fsx:UpdateFileCache",
        "fsx:UpdateFileSystem",
        "fsx:UpdateSharedVpcConfiguration",
        "fsx:UpdateSnapshot",
        "fsx:UpdateStorageVirtualMachine",
        "fsx:UpdateVolume"
      ],
      "Resource": "*"
    },
    {
      "Sid": "CreateSLRForFSx",
      "Effect": "Allow",
      "Action": "iam:CreateServiceLinkedRole",
      "Resource": "*",
      "Condition": {
        "StringEquals": {
          "iam:AWSServiceName": [
            "fsx.amazonaws.com"
          ]
        }
      }
    },
    {
      "Sid": "CreateSLRForLustreS3Integration",
      "Effect": "Allow",
      "Action": "iam:CreateServiceLinkedRole",
      "Resource": "*",
      "Condition": {
        "StringEquals": {
          "iam:AWSServiceName": [
            "s3.data-source.lustre.fsx.amazonaws.com"
          ]
        }
      }
    },
    {
      "Sid": "CreateLogsForFSxWindowsAuditLogs",
      "Effect": "Allow",
      "Action": [
        "logs:CreateLogGroup",
        "logs:CreateLogStream",
        "logs:PutLogEvents"
      ],
      "Resource": [
        "arn:aws:logs:*:*:log-group:/aws/fsx/*"
      ]
    },
    {
      "Sid": "WriteToAmazonKinesisDataFirehose",
      "Effect": "Allow",
      "Action": [
        "firehose:PutRecord"
      ],
      "Resource": [
        "arn:aws:firehose:*:*:deliverystream/aws-fsx-*"
      ]
    },
    {
      "Sid": "CreateTags",
      "Effect": "Allow",
      "Action": [
        "ec2:CreateTags"
      ],
      "Resource": [
        "arn:aws:ec2:*:*:route-table/*"
      ],
      "Condition": {
        "StringEquals": {
          "aws:RequestTag/AmazonFSx": "ManagedByAmazonFSx"
        },
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": [
            "fsx.amazonaws.com"
          ]
        }
      }
    },
    {
      "Sid": "DescribeEC2VpcResources",
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeSecurityGroups",
        "ec2:GetSecurityGroupsForVpc",
        "ec2:DescribeSubnets",
        "ec2:DescribeVpcs",
        "ec2:DescribeRouteTables"
      ],
      "Resource": "*",
      "Condition": {
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": [
            "fsx.amazonaws.com"
          ]
        }
      }
    },
    {
      "Sid": "ManageCrossAccountDataReplication",
      "Effect": "Allow",
      "Action": [
        "fsx:PutResourcePolicy",
        "fsx:GetResourcePolicy",
        "fsx:DeleteResourcePolicy"
      ],
      "Resource": "*",
      "Condition": {
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": [
            "ram.amazonaws.com"
          ]
        }
      }
    }
  ]
}

Version history

Current version v13, edited by AWS on 2026-02-12. Version history is recorded from 2026-11-11. Earlier versions are in the IAM console under Policy versions.

Attach snippets

aws iam attach-role-policy --role-name ROLE_NAME --policy-arn arn:aws:iam::aws:policy/AmazonFSxFullAccess
aws iam attach-user-policy --user-name USER_NAME --policy-arn arn:aws:iam::aws:policy/AmazonFSxFullAccess
aws iam attach-group-policy --group-name GROUP_NAME --policy-arn arn:aws:iam::aws:policy/AmazonFSxFullAccess

Resources:
  ExampleRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument: {}  # replace with your trust policy
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AmazonFSxFullAccess

resource "aws_iam_role_policy_attachment" "amazonfsxfullaccess" {
  role       = aws_iam_role.example.name
  policy_arn = "arn:aws:iam::aws:policy/AmazonFSxFullAccess"
}

role.addManagedPolicy(
  iam.ManagedPolicy.fromAwsManagedPolicyName("AmazonFSxFullAccess"),
);

Sources

• AmazonFSxFullAccess (AWS Managed Policy Reference Guide) (retrieved 2026-11-13; supports summary, practicalScope, useCases, securityConsiderations, assignmentGuidance, faqs)
• AWS managed policies for Amazon FSx for Windows File Server (Amazon FSx for Windows File Server User Guide) (retrieved 2026-11-13; supports summary, useCases, assignmentGuidance, securityConsiderations, faqs)
• Managed policies and inline policies (IAM User Guide) (retrieved 2026-11-12; supports securityConsiderations, faqs)
• AWS managed policies for job functions (IAM User Guide) (retrieved 2026-11-12; supports bestPractices, faqs)

• Official AWS reference for AmazonFSxFullAccess
• AWS service guide
• Report a data issue