MongoDB Server has startup warnings Access control is not enabled for the database

Question

I firstly installed MongoDB 3 4 1 today  But when I start it and use MongoDB shell  it gave me these warnings below       C  Users hs gt  C  Program Files MongoDB Server 3 4 bin mongo exe MongoDB shell version v3 4 1 connecting to  mongodb   127 0 0 1 27017 MongoDB server version  3 4 1 Server has startup warnings  2017-01-12T21 19 46 941 0800 I CONTROL   initandlisten  2017-01-12T21 19 46 942 0800 I CONTROL   initandlisten     WARNING  Access control is not enabled for the database  2017-01-12T21 19 46 942 0800 I CONTROL   initandlisten              Read and write access to data and configuration is unrestricted  2017-01-12T21 19 46 942 0800 I CONTROL   initandlisten    my computer is Microsoft Windows  version 10 0 14393

User · Answer

You need to delete your old db folder and recreate new one  It will resolve your issue

User · Answer

Mongodb v3 4  You need to do the following to create a secure database   Make sure the user starting the process has permissions and that the directories exist   data db in this case    1  Start MongoDB without access control   mongod --port 27017 --dbpath  data db   2  Connect to the instance   mongo --port 27017   3  Create the user administrator  in the admin authentication database    use admin db createUser          user   myUserAdmin       pwd   abc123       roles      role   userAdminAnyDatabase   db   admin              4  Re-start the MongoDB instance with access control   mongod --auth --port 27017 --dbpath  data db   5  Connect and authenticate as the user administrator   mongo --port 27017 -u  myUserAdmin  -p  abc123  --authenticationDatabase  admin    6  Create additional users as needed for your deployment  e g  in the test authentication database    use test db createUser          user   myTester       pwd   xyz123       roles      role   readWrite   db   test                    role   read   db   reporting              7  Connect and authenticate as myTester   mongo --port 27017 -u  myTester  -p  xyz123  --authenticationDatabase  test    I basically just explained the short version of the official docs here  https   docs mongodb com master tutorial enable-authentication

[mongodb] MongoDB: Server has startup warnings ''Access control is not enabled for the database''

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