title: error after typing "node enrollAdmin.js" on windows
body: <blockquote>
    <p>node enrollAdmin.js</p>
  </blockquote>
  
  <pre><code>error: [FabricCAClientService.js]:  Failed to enroll admin, error:%o message=Calling enrollment endpoint failed with error [Error: con
  nect ECONNREFUSED 127.0.0.1:7054], stack=Error: Calling enrollment endpoint fail
  ed with error [Error: connect ECONNREFUSED 127.0.0.1:7054]
      at ClientRequest.request.on (C:\Users\Nibir Hira\go\src\github.com\hyperledg
  er\fabric-samples\fabcar\javascript\node_modules\fabric-ca-client\lib\FabricCACl
  ient.js:487:12)
      at emitOne (events.js:116:13)
      at ClientRequest.emit (events.js:211:7)
      at Socket.socketErrorListener (_http_client.js:387:9)
      at emitOne (events.js:116:13)
      at Socket.emit (events.js:211:7)
      at emitErrorNT (internal/streams/destroy.js:64:8)
      at _combinedTickCallback (internal/process/next_tick.js:138:11)
      at process._tickCallback (internal/process/next_tick.js:180:9)
  Failed to enroll admin user "admin": Error: Calling enrollment endpoint failed w
  ith error [Error: connect ECONNREFUSED 127.0.0.1:7054]
  </code></pre>
  
  <p>Where should I do corrections? The  file <code>registeradmin.js</code> is not even working</p>