/SourceUserName:"user name" /SourcePassword:"password" Optional. Specifies the username and password of an account that has ...

/SourceUserName:"user name"
/SourcePassword:"password"
Optional. Specifies the username and password of an account that has administrative rights for an existing configuration set; you should use these parameters when you install a replicat that you want to join to the corresponding configuration set. By default, AD LDS joins the replica to the configuration set by using the credentials of the logged on user.