AWS Systems Manager endpoints and quotas
The following are the service endpoints and service quotas for this service. To connect programmatically to an AWS service, you use an endpoint. In addition to the standard AWS endpoints, some AWS services offer FIPS endpoints in selected Regions. For more information, see AWS service endpoints. Service quotas, also referred to as limits, are the maximum number of service resources or operations for your AWS account. For more information, see AWS service quotas.
Service endpoints
| Region Name | Region | Endpoint | Protocol |
|---|---|---|---|
| US East (Ohio) | us-east-2 |
ssm.us-east-2.amazonaws.com ssm-fips.us-east-2.amazonaws.com |
HTTPS HTTPS |
| US East (N. Virginia) | us-east-1 |
ssm.us-east-1.amazonaws.com ssm-fips.us-east-1.amazonaws.com |
HTTPS HTTPS |
| US West (N. California) | us-west-1 |
ssm.us-west-1.amazonaws.com ssm-fips.us-west-1.amazonaws.com |
HTTPS HTTPS |
| US West (Oregon) | us-west-2 |
ssm.us-west-2.amazonaws.com ssm-fips.us-west-2.amazonaws.com |
HTTPS HTTPS |
| Africa (Cape Town) | af-south-1 | ssm.af-south-1.amazonaws.com | HTTPS |
| Asia Pacific (Hong Kong) | ap-east-1 | ssm.ap-east-1.amazonaws.com | HTTPS |
| Asia Pacific (Jakarta) | ap-southeast-3 | ssm.ap-southeast-3.amazonaws.com | HTTPS |
| Asia Pacific (Mumbai) | ap-south-1 | ssm.ap-south-1.amazonaws.com | HTTPS |
| Asia Pacific (Osaka) | ap-northeast-3 | ssm.ap-northeast-3.amazonaws.com | HTTPS |
| Asia Pacific (Seoul) | ap-northeast-2 | ssm.ap-northeast-2.amazonaws.com | HTTPS |
| Asia Pacific (Singapore) | ap-southeast-1 | ssm.ap-southeast-1.amazonaws.com | HTTPS |
| Asia Pacific (Sydney) | ap-southeast-2 | ssm.ap-southeast-2.amazonaws.com | HTTPS |
| Asia Pacific (Tokyo) | ap-northeast-1 | ssm.ap-northeast-1.amazonaws.com | HTTPS |
| Canada (Central) | ca-central-1 |
ssm.ca-central-1.amazonaws.com ssm-fips.ca-central-1.amazonaws.com |
HTTPS HTTPS |
| Europe (Frankfurt) | eu-central-1 | ssm.eu-central-1.amazonaws.com | HTTPS |
| Europe (Ireland) | eu-west-1 | ssm.eu-west-1.amazonaws.com | HTTPS |
| Europe (London) | eu-west-2 | ssm.eu-west-2.amazonaws.com | HTTPS |
| Europe (Milan) | eu-south-1 | ssm.eu-south-1.amazonaws.com | HTTPS |
| Europe (Paris) | eu-west-3 | ssm.eu-west-3.amazonaws.com | HTTPS |
| Europe (Stockholm) | eu-north-1 | ssm.eu-north-1.amazonaws.com | HTTPS |
| Middle East (Bahrain) | me-south-1 | ssm.me-south-1.amazonaws.com | HTTPS |
| South America (São Paulo) | sa-east-1 | ssm.sa-east-1.amazonaws.com | HTTPS |
| AWS GovCloud (US-East) | us-gov-east-1 |
ssm.us-gov-east-1.amazonaws.com ssm.us-gov-east-1.amazonaws.com |
HTTPS HTTPS |
| AWS GovCloud (US-West) | us-gov-west-1 |
ssm.us-gov-west-1.amazonaws.com ssm.us-gov-west-1.amazonaws.com |
HTTPS HTTPS |
AWS Systems Manager Distributor is not available in the AWS GovCloud (US-West) endpoints.
In addition to the ssm.* endpoints, your managed instances must also
allow HTTPS (port 443) outbound traffic to the following endpoints. For more
information, see Reference:
ec2messages, ssmmessages, and Other API Calls in the
AWS Systems Manager User Guide.
-
ec2messages.* -
ssmmessages.*
For information about AWS AppConfig endpoints and quotas, see AWS AppConfig endpoints and quotas.
Service quotas
| Capability | Resource | Default |
|---|---|---|
| Application Manager | Maximum number of applications in Application Manager |
100 When you add an application in Application Manager, Systems Manager automatically creates a resource group to organize all of the resources for that application. The maximum number of applications is based on the underlying quota for AWS Resource Groups. |
| Application Manager | Maximum number of AWS resources you can assign to an application |
For applications based on AWS CloudFormation stacks: 200 For applications based on AWS Resource Groups: Unlimited |
| Automation | Concurrently running automations |
100 Each AWS account can run 100 automations simultaneously. This
includes child automations (automations that are started by another
automation), and rate control automations. If you attempt to run
more automations than this, Systems Manager adds the additional automations to
a queue and displays a status of |
| Automation | Automation queue |
1000 If you attempt to run more automations than the concurrent automation limit, subsequent automations are added to a queue. Each AWS account can queue 1,000 automations. When an automation completes (or reaches a terminal state), the first automation in the queue is started. |
| Automation | Concurrently running rate control automations |
25 Each AWS account can run 25 rate control automations
simultaneously. If you attempt to run more rate control automations
than the concurrent rate control automation limit, Systems Manager adds the
subsequent rate control automations to a queue and displays a status
of |
| Automation | Rate control automation queue |
1000 If you attempt to run more automations than the concurrent rate control automation limit, subsequent automations are added to a queue. Each AWS account can queue 1,000 rate control automations. When an automation completes (or reaches a terminal state), the first automation in the queue is started. |
| Automation | Number of levels of nested automation |
5 A parent-level Automation runbook can start a child-level Automation runbook. This represents one level of nested automation. The child-level Automation runbook can start another Automation runbook, resulting in two levels of nested automation. This can continue up to a maximum of five (5) levels below the top-level parent Automation runbook. |
| Automation | Number of days an automation execution history is stored in the system |
30 |
| Automation | Additional automation executions that can be queued |
1,000 |
| Automation | Maximum duration an automation execution can run when running in the context of a user |
12 hours If you expect an automation to run longer than 12 hours, then you must run the automation by using a service role (or assume role). |
| Automation | executeScript action run time |
10 minutes Each |
| Automation | executeScript action maximum output |
Up to 100KB. |
| Automation | invokeLambdaFunction action run time |
5 minutes Each |
| Automation | invokeLambdaFunction action maximum output |
Up to 200KB. |
| Automation | Number of Automation runbook attachments |
5 Each runbook can have up to five (5) attachments. |
| Automation | Automation runbook attachment size |
256 MB Each attachment can be up to 256 MB. |
| Compliance |
Maximum size of any single |
800 KB |
| Distributor |
Maximum number of attachments in a Distributor package |
20 |
| Distributor |
Maximum size per attachment in a Distributor package |
1 GB |
| Distributor |
Maximum number of files in a Distributor package |
1000 |
| Distributor |
Maximum number of Distributor packages per AWS account, per Region |
500 |
| Distributor |
Maximum number of package versions per Distributor package |
25 |
| Distributor |
Maximum package size in Distributor |
20 GB |
| Distributor |
Maximum package manifest size in Distributor |
64 KB |
| Explorer |
Maximum number of resource data syncs (per AWS account per Region) |
5 |
| Fleet Manager |
Maximum Remote Desktop session limit |
60 minutes |
| Fleet Manager |
Maximum number of Remote Desktop sessions (per AWS account per Region) |
5 |
| Inventory |
Maximum number of resource data syncs (per AWS account per Region) |
5 |
| Inventory |
Inventory data collected per instance per call |
1 MB This maximum adequately supports most inventory collection scenarios. When this quota is reached, no new inventory data is collected for the instance. Inventory data previously collected is stored until the expiration. |
| Inventory |
Inventory data collected per instance per day |
5 MB When this quota is reached, no new inventory data is collected for the instance. Inventory data previously collected is stored until the expiration. |
| Inventory |
Custom inventory types |
20 You can add up to 20 custom inventory types. |
| Inventory |
Custom inventory type size |
200 KB This is the maximum size of the type, not the inventory collected. |
| Inventory |
Custom inventory type attributes |
50 This is the maximum number of attributes within the custom inventory type. |
| Inventory |
Inventory data expiration |
30 days If you terminate an instance, inventory data for that instance is deleted immediately. For running instances, inventory data older than 30 days is deleted. If you need to store inventory data longer than 30 days, you can use AWS Config to record history or periodically query and upload the data to an Amazon S3 bucket. For more information, see, Recording Amazon EC2 managed instance inventory in the AWS Config Developer Guide. |
| Maintenance Windows |
Maintenance windows per AWS account |
50 |
| Maintenance Windows |
Tasks per maintenance window |
20 |
| Maintenance Windows |
Targets per maintenance window |
100 |
| Maintenance Windows |
Instance IDs per target |
50 |
| Maintenance Windows |
Targets per task |
10 |
| Maintenance Windows |
Concurrent executions of a single maintenance window |
1 |
| Maintenance Windows |
Concurrent executions of maintenance windows |
5 |
| Maintenance Windows |
Execution history retention |
30 days |
| Managed Instances - Hybrid Environment | Total number of registered on-premises servers and virtual machines (VMs) in a hybrid environment |
Standard instances: 1,000 (per account per Region) Advanced instances: Advanced instances are available on a pay-per-use basis. Advanced instances also enable you to connect to your hybrid machines by using AWS Systems Manager Session Manager. For more information about activating on-premises instances for use in your hybrid environment, see Create a Managed-Instance Activation in the AWS Systems Manager User Guide. For more information about enabling advanced instances, see Using the Advanced-Instances Tier. |
| OpsCenter |
Total number of OpsItems allowed per AWS account per Region (including Open and Resolved OpsItems) |
500,000 |
| OpsCenter |
Maximum number of OpsItems per AWS account per month |
10,000 |
| OpsCenter |
Maximum operational data value size |
20 KB |
| OpsCenter |
Maximum number of associated Automation runbooks per OpsItem |
10 |
| OpsCenter |
Maximum number of Automation runbook executions stored in operational data under a single associated runbook |
10 |
| OpsCenter |
Maximum number of related resources you can specify per OpsItem |
100 |
| OpsCenter |
Maximum number of related OpsItems you can specify per OpsItem |
10 |
| OpsCenter |
Maximum length of a deduplication string |
64 characters |
| OpsCenter |
Duration before an OpsItem is automatically archived by the system (regardless of status) |
36 months |
| Parameter Store |
Total number of parameters allowed (per AWS account and Region) |
Standard parameters: 10,000 Advanced parameters: 100,000 For more information about advanced parameters, see About Systems Manager Advanced Parameters in the AWS Systems Manager User Guide. |
| Parameter Store |
Max size for parameter value |
Standard parameter: 4 KB Advanced parameter: 8 KB |
| Parameter Store |
Max number of parameter policies per advanced parameter |
10 |
| Parameter Store |
Max throughput (transactions per second) |
Default throughput: 40 (Shared by the following API actions:
Higher throughput: 100 ( Higher throughput: 3000 (Shared by the following API actions:
For more information about Parameter Store throughput, see Increasing Parameter Store Throughput in the AWS Systems Manager User Guide. |
| Parameter Store |
Max history for a parameter |
100 past values |
| Patch Manager |
Patch baselines per AWS account |
50 |
| Patch Manager |
Patch groups per patch baseline |
25 |
| Patch Manager | Operation history retention | Most recent 150 operations |
| Run Command | Execution history retention |
30 days The history of each command is available for up to 30 days. In addition, you can store a copy of all log files in Amazon Simple Storage Service or have an audit trail of all API calls in AWS CloudTrail. |
| Session Manager |
Maximum idle time before session termination |
Default: 20 minutes Configurable to between 1 and 60 minutes. |
| SSM Documents | Total documents |
500 Each AWS account can create a maximum of 500 documents per Region. |
| SSM Documents | Document versions |
1000 A single SSM document can have a maximum of 1,000 versions. |
| SSM Documents | Privately shared Systems Manager document |
1000 A single Systems Manager document can be shared with a maximum of 1000 AWS accounts. |
| SSM Documents | Publicly shared Systems Manager document |
5 Each AWS account can publicly share a maximum of five documents. |
| State Manager | Concurrent State Manager associations |
2,000 Each AWS account can have 2,000 associations per Region at one time. |
| State Manager | State Manager association versions |
1,000 You can create a maximum of 1,000 versions of a State Manager association. |
