connection error installing mongodb 4.0

Question

I am installing mongoDb 4.0 on windows 10, and I followed the installation guide. The mongodb server is running as a service. When I open Command Prompt and type: mongod, I got this message:

2018-07-13T13:47:41.173+0200 I NETWORK [initandlisten] waiting for connections on port 27017

When I type mongo, I get this error:

MongoDB shell version v4.0.0 connecting to: mongodb://127.0.0.1:27017 2018-07-13T13:48:04.245+0200 E QUERY [js] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed: NetworkTimeout: Error connecting to 127.0.0.1:27017 :: caused by :: Socket operation timed out : connect@src/mongo/shell/mongo.js:251:13 @(connect):1:6 exception: connect failed

I tried to reinstall several times, but still the same.

When I turn of the firewall, mongoDB is working. I have checked that the port settings for MongoDb in AVG firewall, and they are correct, but still it is blocking when turned on. I wrote to AVG support because I can not risk to work with the firewall open. — Danish Woman
surprising. Sure you don't have additional firewall, integrated to windows for example. — matthPen

Parables Boltnoel Parables Boltnoel · Accepted Answer · 2019-04-24T13:22:13

if firewall is not blocking 27017 port – matthPen Jul 13 '18 at 13:18

I was trying to access MongoDB on Computer1(Server) with I.P Address as 10.7.9.103 from another Computer2(Client) with I.P Address as 10.1.2.107 in the same LAN network.

This is how you can do it:

(On the Server):

Step 1: Get the IP Address of the Host where you want to connect to.

Step 2: Find the mongod.cfg file at the location where you installed MongoDB(Default is: C:\Program Files\MongoDB\Server\4.0\bin)

Step 3: Open with Notepad and add your Server's IP Address to the BindIP. E.g:

# network interfaces net: port: 27017 bindIp: 127.0.0.1,10.7.9.103

Save it

Step 4: Open Fire Wall Control Panel\System and Security\Windows Defender Firewall Then on the left side panel, click on Advanced Settings. Click on Inbound Rules on the left panel and click on New Rule on the right panel.

Step 5: Choose Port from the options and click on Next Select TCP and select Specific local ports. Enter the default port for MongoDB 27017 and click on Next Select Allow the connection and click on NEXT Check all 3 options Domain, Private, Public and click on NEXT Give it a Name and an optional Description and click on Finish

Step 6: Restart your Server from TaskManager >> Services >> MongoDB.

(On the Client): Run CMD as Administrator

Type >cd C:\Program Files\MongoDB\Server\4.0\bin (This is the path where you installed MongoDB)

Type mongo --host 10.7.9.103 (The IP Adress is the IP Address of the Server).

Enjoy. :-)

connection error installing mongodb 4.0

1 Answers