Use Start-ConsumeSeedDrive for the initial data transfer when you establish Rapid Recovery replication. 
Usage
The usage for the command is as follows:
Start-ConsumeSeedDrive -path [local | network path] -seeddriveusername [user name] -seeddrivepassword [password] -remotecore [name] -protectedserver [name] | -all]
Command Options
The following table describes the options available for the Start-ConsumeSeedDrive command: 
| Option | Description | 
|---|---|
| -? | Display this help message. | 
| -core | Optional. Remote Core host machine IP address (with an optional port number). By default, the connection is made to the Core installed on the local machine. | 
| -user | Optional. The user name for the remote Core host machine. If you specify a user name, you must also provide a password. If none is provided, then the credentials for the logged-on user are used. | 
| -password | Optional. The password to the remote Core host machine. If you specify a password, you also have to provide a user name. If none is provided, then the credentials for the logged-on user are used. | 
| -path | The local or network path of the seed drive. | 
| -seeddriveusername | Optional. The user name for the network location of the seed drive. | 
| -seeddrivepassword | Optional. The password for the network location of the seed drive. | 
| -remotecore | Use only with the -consumeoption. It is the name of the remote Core from which the seed drive recovery points are created or consumed. | 
| -protectedserver | The name or IP address of the protected machine you are using to create or consume the seed drive of recovery points. For example: -protectedserver "10.10.60.48" "10.10.12.101." | 
| -all | This option specifies whether to consume or copy all of the available protected machines. | 
Examples:
Starting consuming a seed drive located on a network share:
>Start-ConsumeSeedDrive -path \\10.10.1.1\Share\Seed\ -seeddriveusername Adminsitrator -seeddrivepassword 12345 -remotecore RemoteCoreName -all
Start consuming the data from two protected machines from a seed drive located on the local system:
>Start-ConsumeSeedDrive -path C:\Seed\ -remotecore TargetCoreHostName -protectedserver "10.10.1.1","10.10.1.2"
