[rabbitmq-discuss] RabbitMQ.Client.Exceptions.AuthenticationFailureException / ACCESS_REFUSED

Fri Apr 25 23:55:51 BST 2014

Was running RabbitMQ 3.3.0 for Windows but our server crashed.   Recently 
moved rabbitmq to a hyperv windows virtual server and trying to get set 
back up.  Trying to connect from client to new RabbitMqServer on hyper-v 
2008 virtual server using guest/guest default credentials and get this 
error:

None of the specified endpoints were reachable\nEndpoints 
attempted:\n------------------------------------------------\nendpoint=amqp-0-9://devtest01.acme.com:5672, 
attempts=1\nRabbitMQ.Client.Exceptions.AuthenticationFailureException: 
ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. 
For details see the broker logfile.\r\n   at 
RabbitMQ.Client.Impl.ConnectionBase.StartAndTune()\r\n   at 
RabbitMQ.Client.Framing.Impl.v0_9_1.Connection.Open(Boolean insist)\r\n   
at RabbitMQ.Client.Impl.ConnectionBase..ctor(ConnectionFactory factory, 
Boolean insist, IFrameHandler frameHandler)\r\n   at 
RabbitMQ.Client.Framing.Impl.v0_9_1.Connection..ctor(ConnectionFactory 
factory, Boolean insist, IFrameHandler frameHandler)\r\n   at 
RabbitMQ.Client.Framing.Impl.v0_9_1.ProtocolBase.CreateConnection(ConnectionFactory 
factory, Boolean insist, IFrameHandler frameHandler)\r\n   at 
RabbitMQ.Client.ConnectionFactory.FollowRedirectChain(Int32 maxRedirects, 
IDictionary`2 connectionAttempts, IDictionary`2 co
nnectionErrors, AmqpTcpEndpoint[]& mostRecentKnownHosts, AmqpTcpEndpoint 
endpoint)\n================================================\nStack trace:\n 
  at RabbitMQ.Client.ConnectionFactory.CreateConnection(Int32 
maxRedirects)\r\n   at 
RabbitMQ.Client.ConnectionFactory.CreateConnection()\r\n   at

Client is using RabbitMQ.Client for .NET 3.2.4.0.

Here is the .NET 4.51 code:

 var cf = new ConnectionFactory() { HostName = this.HostName, UserName = 
this.UserName, Password = this.Password };
 m_connection = cf.CreateConnection();
 m_model = m_connection.CreateModel();

How do you troubleshoot RabbitMQ connectivity issues for windows server / 
client?

thanks

scott
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