diff --git a/src/cloud/ec2/lib/EC2QueryServer.rb b/src/cloud/ec2/lib/EC2QueryServer.rb
index 5240d73be8..0783f3da34 100644
--- a/src/cloud/ec2/lib/EC2QueryServer.rb
+++ b/src/cloud/ec2/lib/EC2QueryServer.rb
@@ -137,10 +137,10 @@ class EC2QueryServer < CloudServer
         # Get the instance type and path
         if params['InstanceType'] != nil
             instance_type_name = params['InstanceType']
-            instance_type      = @config[:instance_types][instance_type_name]
+            instance_type      = @config[:instance_types][instance_type_name.to_sym]
 
             if instance_type != nil
-                path = @config[:template_location] + "/#{instance_type['TEMPLATE']}"
+                path = @config[:template_location] + "/#{instance_type[:template]}"
             end
         end
 
diff --git a/src/cloud/ec2/lib/econe-server.rb b/src/cloud/ec2/lib/econe-server.rb
index def4803bb5..a3f9da84e7 100644
--- a/src/cloud/ec2/lib/econe-server.rb
+++ b/src/cloud/ec2/lib/econe-server.rb
@@ -46,34 +46,34 @@ require 'Configuration'
 
 include OpenNebula
 
+##############################################################################
+# Parse Configuration file
+##############################################################################
 begin
-    config = Configuration.new(CONFIGURATION_FILE)
-    config.add_configuration_value("TEMPLATE_LOCATION", TEMPLATE_LOCATION)
-    config.add_configuration_value("VIEWS", VIEWS_LOCATION)
-
-    instance_types = CloudServer.get_instance_types(config)
-    config.add_configuration_value("INSTANCE_TYPES", instance_types)
-
-    CloudServer.print_configuration(config)
-
-    set :config, config
+    conf = YAML.load_file(CONFIGURATION_FILE)
 rescue Exception => e
-    puts "Error starting server: #{e}"
-    exit(-1)
+    puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
+    exit 1
 end
 
-if CloudServer.is_port_open?(settings.config[:server],
-                             settings.config[:port])
-    puts "Port busy, please shutdown the service or move econe server port."
-    exit
-end
+conf[:template_location] = TEMPLATE_LOCATION
+conf[:views] = VIEWS_LOCATION
+
+CloudServer.print_configuration(conf)
 
 ##############################################################################
 # Sinatra Configuration
 ##############################################################################
+set :config, conf
 set :host, settings.config[:server]
 set :port, settings.config[:port]
 
+if CloudServer.is_port_open?(settings.config[:server],
+                             settings.config[:port])
+    puts "Port busy, please shutdown the service or move econe server port."
+    exit 1
+end
+
 ##############################################################################
 # Actions
 ##############################################################################
diff --git a/src/cloud/occi/etc/occi-server.conf b/src/cloud/occi/etc/occi-server.conf
index a92f46ce2a..ec74643b19 100644
--- a/src/cloud/occi/etc/occi-server.conf
+++ b/src/cloud/occi/etc/occi-server.conf
@@ -14,23 +14,29 @@
 # limitations under the License.                                             #
 #--------------------------------------------------------------------------- #
 
-# OpenNebula server contact information
-ONE_XMLRPC=http://localhost:2633/RPC2
+# OpenNebula sever contact information
+:one_xmlrpc: http://localhost:2633/RPC2
 
-# Host and port where the occi server will run
-SERVER=<FQDN OF OCCI SERVER>
-PORT=4567
+# Host and port where econe server will run
+:server: localhost
+:port: 4567
 
 # SSL proxy that serves the API (set if is being used)
-#SSL_SERVER=https://localhost:443
-
-AUTH=basic
+#:ssl_server: fqdm.of.the.server
 
 # Configuration for OpenNebula's Virtual Networks
-BRIDGE=<NAME OF DEFAULT BRIDGE>
+#:bridge: <NAME_OF_DEFAULT_BRIDGE>
+:bridge: vbr1
+
+:auth: basic
 
 # VM types allowed and its template file (inside templates directory)
-VM_TYPE=[NAME=custom, TEMPLATE=custom.erb]
-VM_TYPE=[NAME=small, TEMPLATE=small.erb]
-VM_TYPE=[NAME=medium, TEMPLATE=medium.erb]
-VM_TYPE=[NAME=large, TEMPLATE=large.erb]
+:instance_types:
+  :custom:
+    :template: custom.erb
+  :small:
+    :template: small.erb
+  :medium:
+    :template: medium.erb
+  :large:
+    :template: large.erb