rs.initiate() does not load default configuration as expected

Here are the steps: $ > mongod --port 27017 --dbpath /Users/sjcbsolo/ .mongodb /data/test --logpath /Users/sjcbsolo/ .mongodb /logs/test .log --logappend --logRotate rename --replSet test0 --journal --smallfiles --bind_ip 127.0.0.1 --fork .mongodb $ > mongo localhost:27017 MongoDB shell version v3.5.12-93-g2d7aef7 connecting to: localhost:27017 MongoDB server version: 3.5.12-93-g2d7aef7 Server has startup warnings: 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] ** NOTE: This is a development version (3.5.12-93-g2d7aef7) of MongoDB. 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] ** Not recommended for production. 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] ** WARNING: Access control is not enabled for the database. 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] ** Read and write access to data and configuration is unrestricted. 2017-10-06T15:38:11.864-0700 I CONTROL [initandlisten] MongoDB Enterprise > rs.initiate({}) { "info2" : "no configuration specified. Using a default configuration for the set" , "me" : "sjca0bsolopro:27017" , "ok" : 0, "errmsg" : "No host described in new configuration 1 for replica set test0 maps to this node" , "code" : 93, "codeName" : "InvalidReplicaSetConfig" } MongoDB Enterprise > rs.initiate({ ... _id: "test0" , ... configsvr: false , ... members: [ ... { _id: 0, host: "localhost:27017" , priority: 2 } ... ]}) { "ok" : 1, "operationTime" : Timestamp(1507329694, 1) } MongoDB Enterprise test0:SECONDARY> MongoDB Enterprise test0:PRIMARY>