<?php

try
{
  $conn = new Mongo('10.147.87.92');
  $username = "admin";
  $password = "php";
  $db = $conn->user;
  $db->authenticate($username,$password);
}
catch (MongoConnectionException $e)
{
  die('Error connecting to MongoDB server');
}
catch (MongoException $e)
{
  die('Error: ' . $e->getMessage());
}
?>

# problem is it is successfully connecting to localhost but not to 10.147.87.92 ...any help