A corporation needs to quickly enable 350 staff members to work remotely in the event of an emergency. Their current setup includes a mix of Windows and Linux desktops with various applications installed, such as office suites and communication tools. The solution must integrate with the company's existing on-premises Active Directory, allowing staff to use their current login credentials. Additionally, it should support multifactor authentication (MFA) and closely replicate the user interface of their existing desktop environments. Which AWS solution would best meet these criteria?