EC2Launch version history - Amazon Elastic Compute Cloud

EC2Launch version history

Windows AMIs starting with Windows Server 2016 include a set of Windows Powershell scripts called EC2Launch. EC2Launch performs tasks during the initial instance boot. For information about the EC2Launch versions included in the Windows AMIs, see see Managed AWS Windows AMIs.

To download and install the latest version of EC2Launch, see Installing the latest version of EC2Launch.

The following table describes the released versions of EC2Launch. Note that the version format changed after version 1.3.610.

Version Details Release date
1.3.2003150

  • Added OsCurrentBuild and OsReleaseId to console output .

22 April 2020
1.3.2003040

  • Fixed IMDS version 1 fallback logic.

 7 April 2020

1.3.2002730

  • Added support for IMDS V2.

 3 March 2020

1.3.2002240

  • Fixed minor issues.

31 October 2019

1.3.2001660

  • Fixed automatic login issue for users without password after first time executing Sysprep.

2 July 2019

1.3.2001360

  • Fixed minor issues.

27 March 2019

1.3.2001220

  • All PowerShell scripts signed.

28 February 2019

1.3.2001200

  • Fixed issue with InitializeDisks.ps1 where running the script on a node in a Microsoft Windows Server Failover Cluster would format drives on remote nodes whose drive letter matched the local drive letter.

27 February 2019

1.3.2001160

  • Fixed missing wallpaper in Windows 2019.

 22 February 2019

1.3.2001040

  • Added plugin for setting the monitor to never turn off to fix ACPI issues.

  • SQL Server edition and version written to console.

 21 January 2019

1.3.2000930

  • Fix for adding routes to metadata on ipv6-enabled ENIs.

2 January 2019

1.3.2000760

  • Added default configuration for RSS and Receive Queue settings for ENA devices.

  • Disabled hibernation during Sysprep.

 5 December 2018

1.3.2000630

  • Added route 169.254.169.253/32 for DNS server.

  • Added filter of setting Admin user.

  • Improvements made to instance hibernation.

  • Added option to schedule EC2Launch to run on every boot.

 9 November 2018

1.3.2000430.0

  • Added route 169.254.169.123/32 to AMZN time service.

  • Added route 169.254.169.249/32 to GRID license service.

  • Added timeout of 25 seconds when attempting to start Systems Manager.

19 September 2018

1.3.200039.0

  • Fixed improper drive lettering for EBS NVME volumes.

  • Added additional logging for NVME driver versions.

 15 August 2018

1.3.2000080

 Fixed minor issues.

1.3.610

Fixed issue with redirecting output and errors to files from user data.

1.3.590

  • Added missing instances types in the wallpaper.

  • Fixed an issue with drive letter mapping and disk installation.

1.3.580

  • Fixed Get-Metadata to use the default system proxy settings for web requests.

  • Added a special case for NVMe in disk initialization.

  • Fixed minor issues.

1.3.550

Added a -NoShutdown option to enable Sysprep with no shutdown.

1.3.540

Fixed minor issues.

1.3.530

Fixed minor issues.

1.3.521

Fixed minor issues.

1.3.0

  • Fixed a hexadecimal length issue for computer name change.

  • Fixed a possible reboot loop for computer name change.

  • Fixed an issue in wallpaper setup.

1.2.0

  • Update to display information about installed operating system (OS) in EC2 system log.

  • Update to display EC2Launch and SSM Agent version in EC2 system log.

  • Fixed minor issues.

1.1.2

  • Update to display ENA driver information in EC2 system log.

  • Update to exclude Hyper-V from primary NIC filter logic.

  • Added KMS server and port into registry key for KMS activation.

  • Improved wallpaper setup for multiple users.

  • Update to clear routes from persistent store.

  • Update to remove the z from availability zone in DNS suffix list.

  • Update to address an issue with the <runAsLocalSystem> tag in user data.

1.1.1

Initial release.