subnetIds

Specifies the IDs of the subnets that the file system will be accessible from. For Windows MULTI_AZ_1 file system deployment types, provide exactly two subnet IDs, one for the preferred file server and one for the standby file server. You specify one of these subnets as the preferred subnet using the WindowsConfiguration > PreferredSubnetID property.

Windows SINGLE_AZ_1 and SINGLE_AZ_2 file system deployment types, Lustre file systems, and OpenZFS file systems provide exactly one subnet ID. The file server is launched in that subnet's Availability Zone.