Mongo is unable to start : <p>I'm trying to start mongo uin windows10 by type: <code>mongo</code> in cmd.</p>

<p>I am getting this error: </p>

<pre><code>C:\Users\Itzik&gt;mongo
MongoDB shell version v3.4.1
connecting to: mongodb://127.0.0.1:27017
2016-12-26T19:00:16.604+0200 W NETWORK  [main] Failed to connect to 127.0.0.1:27017 after 5000ms milliseconds, giving up.
2016-12-26T19:00:16.605+0200 E QUERY    [main] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed :
connect@src/mongo/shell/mongo.js:234:13
@(connect):1:6
exception: connect failed

C:\Users\Itzik&gt;
</code></pre>

<p>I have opened port 27017 in the firewall,
and restart mongo's services 
and it still dont work.</p>

<p>what could it be?</p>
