Exchange 2013 IMAP Connectivity Failing

I have gone through all of the troubleshooting i can find, and can't get IMAP connectivity to work to my Exchange 2013 server.  I have an application that uses IMAP to connect to a mailbox to create and update help tickets.

I get the following in the log:

2014-04-03T14:03:25.783Z,00000000000000C7,0,10.10.50.55:993,10.10.50.18:56287,,18,0,53,OpenSession,,
2014-04-03T14:03:25.798Z,00000000000000C8,0,10.10.50.55:993,10.10.50.18:56288,,14,0,53,OpenSession,,
2014-04-03T14:03:26.079Z,00000000000000C8,1,10.10.50.55:993,10.10.50.18:56288,,1,27,125,capability,,R=ok
2014-04-03T14:03:26.236Z,00000000000000C8,2,10.10.50.55:993,10.10.50.18:56288,imaptest,95,37,35,login,imaptest *****,"R=""1274136704c94dce NO LOGIN failed."";Msg=User:imaptest:0a2fa0f8-47d9-4ad0-b6a5-8c4853d301d9:SCS_EX2013DB:SCS-VM-EX2013.*****.com;Proxy:SCS-VM-EX2013.****.com:9933:SSL;ProxyNotAuthenticated"

I have tried a few different users, and get the same error with each.

Any ideas??



  • Edited by lapean111 Thursday, April 03, 2014 3:30 PM typo
April 3rd, 2014 2:09pm

One of my server (Exchange 2013 CU 9 ) is not responding with the following response. It just dies. No answer. I have 3 more cluster servers working fine. 

+OK Microsoft Exchange IMAP4rev1 server version x.x.x (F.Q.D.N.) ready


Free Windows Admin Tool Kit Click here and download it now
July 23rd, 2015 2:28pm

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