Some Managed Microsoft AD resources require additional configuration.
Enabling on-premises access to Managed Microsoft AD API
To enable on-premises access to the Managed Microsoft AD API, you must set up private connectivity.
Using a Shared VPC
When using a Shared VPC, the Managed Microsoft AD domain must be created in the host project and the Shared VPC network host must be located within the same service perimeter as the projects connected to the network.