Exchange 2013 Error 400 4.4.7 Message Delayed Between My Server And Itself!

I have restarted my PRO-NY-MBOX01 yesterday before restarting i have moved all my queus and cluster group to PRO-NY-MBOX02 successfull.
But the messages are not getting delivered and received from PRO-NY-MBOX02 it was trying redirecting to my PRO-NY-CAS02( Off for temporary basis).
I don't know why this problem is occuring.
Below are the details of my servers
Delivery is delayed to these recipients or groups:
Network Support Team ([email protected])
Subject: Re: Reg: VAMSRV01 and VAMSRV 02 moved to JB Server Racks
This message hasn't been delivered yet. Delivery will continue to be attempted.
The server will keep trying to deliver this message for the next 1 days, 19 hours and 52 minutes. You'll be notified if the message can't be delivered by that time.
Diagnostic information for administrators:
Generating server: Receiving server: (
[email protected] Remote Server at ( returned '400 4.4.7 Message
delayed' 7/16/2014 9:14:56 AM - Remote Server at ( returned '441 4.4.1 Error encountered while communicating with primary outbound frontend IP address: "Failed to connect. Winsock error code: 10061, Win32 error code: 10061." Attempted
failover to alternate frontend, but that did not succeed. Either there are no alternate frontend addresses, or delivery failed to all alternate frontend addresses. The last endpoint attempted was'
Original message headers:
Received: from ( by ( with Microsoft SMTP Server (TLS)  id 15.0.775.38; Wed, 16
Jul 2014 01:17:49 -0400 Received: from ([fe80::2523:223f:8471:d668])  by ([fe80::2523:223f:8471:d668%12]) with mapi  id 15.00.0775.031; Wed, 16 Jul 2014 10:47:46 +0530 From: Ranga
Yarlagadda <[email protected]> To: Krishnaji Oduri <[email protected]>
CC: Network Support Team <[email protected]> Subject: Re: Reg: VAMSRV01 and VAMSRV 02 moved to JB Server Racks Thread-Topic: Reg: VAMSRV01 and VAMSRV
02 moved to JB Server Racks Thread-Index: AQHPoLVG/k+ubj8M2UuJlGE9ufA3nA== Date: Wed, 16 Jul 2014 05:17:45 +0000 Message-ID: <[email protected]>
References: <[email protected]> In-Reply-To: <[email protected]>
Accept-Language: en-US, en-IN Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Content-Type: multipart/related;             boundary="_009_d1bdad280df74e43bf09c3e6cbef68c7PROHYDMBOX01adprolifics_";
            type="multipart/alternative" MIME-Version: 1.0
Can some one help me to resolve the issue.
Thanks & Regards, Santosh Chowdary Vasireddy System Administrator Prolifcs DHFLVC Silicon Towers, 5th Floor, Survey #14, Kondapur, Hyderabad – 500 032. Work +91 40 3999 1999 Ex.1656 l Cell +91 9849277255 l [email protected] A Global
Provider of IBM, Microsoft and Testing Solutions Award Winner for Technical Excellence, BPM, SOA, Portal and Governance


I recommend you run the following command to troubleshoot the issue:
Get-SendConnector |fl Name,FrontendProxyEnabled,HomeMtaServerID,SourceTransportServers
Niko Cheng
TechNet Community Support