EnableFastLaunch - Amazon Elastic Compute Cloud

EnableFastLaunch

When you enable faster launching for a Windows AMI, images are pre-provisioned, using snapshots to launch instances up to 65% faster. To create the optimized Windows image, Amazon EC2 launches an instance and runs through Sysprep steps, rebooting as required. Then it creates a set of reserved snapshots that are used for subsequent launches. The reserved snapshots are automatically replenished as they are used, depending on your settings for launch frequency.

Note

To change these settings, you must own the AMI.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.

DryRun

Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No

ImageId

The ID of the image for which you’re enabling faster launching.

Type: String

Required: Yes

LaunchTemplate

The launch template to use when launching Windows instances from pre-provisioned snapshots. Launch template parameters can include either the name or ID of the launch template, but not both.

Type: FastLaunchLaunchTemplateSpecificationRequest object

Required: No

MaxParallelLaunches

The maximum number of parallel instances to launch for creating resources. Value must be 6 or greater.

Type: Integer

Required: No

ResourceType

The type of resource to use for pre-provisioning the Windows AMI for faster launching. Supported values include: snapshot, which is the default value.

Type: String

Required: No

SnapshotConfiguration

Configuration settings for creating and managing the snapshots that are used for pre-provisioning the Windows AMI for faster launching. The associated ResourceType must be snapshot.

Type: FastLaunchSnapshotConfigurationRequest object

Required: No

Response Elements

The following elements are returned by the service.

imageId

The image ID that identifies the Windows AMI for which faster launching was enabled.

Type: String

launchTemplate

The launch template that is used when launching Windows instances from pre-provisioned snapshots.

Type: FastLaunchLaunchTemplateSpecificationResponse object

maxParallelLaunches

The maximum number of parallel instances to launch for creating resources.

Type: Integer

ownerId

The owner ID for the Windows AMI for which faster launching was enabled.

Type: String

requestId

The ID of the request.

Type: String

resourceType

The type of resource that was defined for pre-provisioning the Windows AMI for faster launching.

Type: String

Valid Values: snapshot

snapshotConfiguration

The configuration settings that were defined for creating and managing the pre-provisioned snapshots for faster launching of the Windows AMI. This property is returned when the associated resourceType is snapshot.

Type: FastLaunchSnapshotConfigurationResponse object

state

The current state of faster launching for the specified Windows AMI.

Type: String

Valid Values: enabling | enabling-failed | enabled | enabled-failed | disabling | disabling-failed

stateTransitionReason

The reason that the state changed for faster launching for the Windows AMI.

Type: String

stateTransitionTime

The time that the state changed for faster launching for the Windows AMI.

Type: Timestamp

Errors

For information about the errors that are common to all actions, see Common client error codes.

See Also

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