EC2Launch version history

Optimized logic for retrieving EC2WinUtil driver version.

Reduced time to Windows is Ready by removing Hyper-V status query.

Updated installer logic to prevent unsupported installation on Windows Server 2022.

Updated to print EC2WinUtil driver version to instance console log.

Updated agent log messaging.

Fixed an issue where Invoke-Userdata would fail when called without any parameters.

Fixed an issue where RDP certificate information was not properly retrieved or validated. Added functionality to automatically start the Remote Desktop Services if needed.

Updated Set-Wallpaper to fall back to a solid color background if the default wallpaper image is not found.

Updated installer logic to prevent unsupported installation on Windows Server 2025 or later.

Fixed an issue where HandleUserData was not set to false as expected.

Added an Encrypted password option to LaunchConfig.json.

Changed Settings UI behavior to encrypt the user specified password by default.

Added SetAdminPasswordConfig.ps1 to convert the Specify password option to the Encrypted password option in the agent configuration file.

Fixed an error when setting the wallpaper.

Updated access permissions set by install.ps1 for %ProgramData%\Amazon\EC2-Windows\Launch.

Restricted EC2Launch folder/file access to read-execute only for standard user accounts.

Changed the agent to stop waiting for the Instance Metadata Service (IMDS) to initialize if IMDS is not enabled for the instance.

Added a five minute timeout when waiting for the IMDS to initialize.

Changed the agent to write telemetry to the instance console log before the Windows is Ready message instead of after.

Added wallpaper support to several new instance types.

Added telemetry to monitor usage of the Specify admin password option.

Added flush after every write to the serial console.

Limit domain name devolution based on registry entry: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Dnscache\Parameters\DomainNameDevolutionLevel.

Limited UserdataExecution.log permissions to Administrators only.

Added error messages in the Windows Event Log when log initialization fails.

Added EnableSCSIPersistentReservations value to console log.

Added retry capability for Get-ConsolePort.

Fixed an error that occurred when no SSH key is specified at instance launch.

Updated to retry starting the AmazonSSMAgent Windows service on failure.

Updated to fail SysprepInstance.ps1 if BeforeSysprep.cmd fails with a non-zero exit code.

Fixed issue impacting Packer AMI builds where SysprepInstance.ps1 returns a $LastErrorCode of 1.

Fixed issue where explicitly specified administrator passwords are overwritten with a random password on fast-launched instances.

Fixed issue where SSM Agent fails to start on smaller instance types.

Fixed an issue where the instance console log contains RDPCERTIFICATE-THUMBPRINT: 00000000000000000000000 instead of a valid RDP certificate thumbprint value.

Fixes logic for finding network adapter when PnPDeviceID is empty.

Updated Get-ConsolePort to use PCI segment information.

Fixed issue where an incorrect network adapter can be selected after reboot.

Fixed start-SSM-Agent timeout logic.

Fixed backwards compatibility for Send-AdminCredentials function alias.

Prioritizes adapters with a default gateway when the primary network adapter is selected.

Extended in-memory password encryption.

Fixed error during setComputerName.

Added logic to skip Windows activation when a BYOL billing code is detected.

Added in-memory password encryption.

Fixed error during volume initialization on m6id.4xlarge.

Updated IMDS wait logic to make only IMDSv2 requests.

Fixed bug impacting eGPU installation.

Added network-adapter wait logic to prevent use before initialization.

Fixed minor issues.

Added telemetry.

Added shortcut to Settings UI.

Formatted PowerShell scripts.

Fixed issue with shutdown occurring before BeforeSysprep.cmd completes.

Added log lines before and after setMonitorAlwaysOn setting.

Added AWS Nitro Enclaves package version to console log.

Updated method for setting user password in Set-AdminAccount and Randomize-LocalAdminPassword.

FixedInitializeDisks to check whether disk is set to read only before setting it to writable.

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

SQL Server edition and version written to console.

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

Disabled hibernation during Sysprep.

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.

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.

Fixed improper drive lettering for EBS NVME volumes.

Added additional logging for NVME driver versions.

Added missing instances types in the wallpaper.

Fixed an issue with drive letter mapping and disk installation.

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.

Fixed a hexadecimal length issue for computer name change.

Fixed a possible reboot loop for computer name change.

Fixed an issue in wallpaper setup.

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.

Update to display ENA driver information in EC2 system log.

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

Added AWS 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.