AWS Managed Microsoft Active Directory provides the ability to run directory-aware workloads in the AWS Cloud, including Microsoft SharePoint and custom .NET and SQL Server-based applications. AWS Managed Microsoft Active Directory also provides the ability to access AWS resources through Identities stored in on-premise or self-managed Active Directory through Trusts.
AWS Lambda runs code on a high-availability compute infrastructure and performs all of the administration of the compute resources, including server and operating system maintenance, capacity provisioning, automatic scaling, and logging.