Echange Pop3 Error
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Exchange 2013 Pop3 Logon Failure Unknown Username Or Bad Password
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Exchange 2013 Pop3 Command Is Not Valid In This State
(Exclaimer) Sales & Marketing Manager GROUP SPONSORED BY EXCLAIMER exchange 2013 popproxy inactive See more RELATED PROJECTS Implement a Help Desk I plan to push a budget
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to implement a help desk system that will tie into our cloud-based Intranet/CRM system. ESET Endpoint Security Rollout Install, test & deploy https://support.microsoft.com/en-us/kb/3025138 new security suite (ESET Business Security) for DALTRON PNG. Dental Practice - Nolana Smiles, PLLC Buildout of 8th Dental practice for Strategic Dental Executives. TECHNOLOGY IN THIS DISCUSSION Microsoft Exchange Server 2013 Join the Community! Creating your account only takes a few minutes. Join https://community.spiceworks.com/topic/696784-exchange-2013-pop3-failing-it-used-to-work Now Not sure why but POP3 is no longer functioning on our Exchange server, it closes the connection as soon as it's established. IMAP works but the application I am trying to repair can only utilize POP3. when I run test-popconnectivity I get the following: Microsoft.Exchange.Monitoring.ProtocolException: Authentication failed. The connection is being closed. Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.Server response while making connection:[]. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host Telnet to 110 or 995 gets a similar error - "connection closed by remote host" immediately. Protocol logging gives me this: 2014-12-19T17:28:19.895Z,0000000000000039,0,127.0.0.1:995,127.0.0.1:18525,,51,0,51,OpenSession,, 2014-12-19T17:28:19.895Z,0000000000000039,1,127.0.0.1:995,127.0.0.1:18525,,1,4,37,capa,,R=ok 2014-12-19T17:28:19.895Z,0000000000000039,2,127.0.0.1:995,127.0.0.1:18525,,0,0,0,CloseSession,, 2014-12-19T17:28:52.443Z,000000000000003A,0,127.0.0.1:995,127.0.0.1:18592,,51,0,51,OpenSession,, 2014-12-19T17:28:52.443Z,000000000000003A,1,127.0.0.1:995,127.0.0.1:18592,,0,0,0,CloseSession,, 2014-12-19T17:28:57.959Z,000000000000003B,0,[::1]:995,[::1]:18597,,50,0,51,OpenSession,
and change POP3 Authentication to "Plain Text". That would fix the error. Article #451 Updated On: 1/25/2011 Index Was this exchange 2013 pop3 article helpful? Yes | No © 2016 Avensoft nService | help desk software and service management software Auto Detect Language English (United States) English (Canada) English (United Kingdom) English (Ireland) English (New Zealand) English (Australia) Español (Spain) Español (México) Español (Argentina) Francais (France) Francais (Belgium) Francais (Canada) German (Standard) German (Switzerland) Italian Polish Português (Brasil) Português (Portugal) Russian Czech
asking for Domain Name on Mobile Device » Exchange 2013: Pop/Imap clients unable to Authenticate Lets take a look at an issue in E2013 where Pop/Imap clients unable to Authenticate Environment: Exchange 2010 SP3: 2 mailbox server in DAG, 2 CAS/HT with windows NLB Exchange 2013 CU1: 2 mailbox server in DAG, 2 CAS with windows NLB Issue: During the co-existence phase during Exchange 2010 to 2013 migration, Pop/Imap clients are unable to authenticate. In the log file we can see the following message. No other message. NLB IP:993,ClientIP:55612,,112,27,23,login,Loginid password,"R=""05up NO LOGIN failed."";Msg=""User:username:2796642b-68aa-49cc-93c0-0414276541fe:SDB1:mailbox server FQDN;Proxy:mailbox server FQDN:143:SSL;NotAuthenticated""" By default logging is disabled and you need to enable by running the below cmd: Set-imapsettings -server CASServerName -ProtocolLogEnabled $true Set-popsettings -server CASServerName -ProtocolLogEnabled $true Default Imap Log File Location is C:Program FilesMicrosoftExchange ServerV15LoggingImap4 Default Pop Log File Location is C:Program FilesMicrosoftExchange ServerV15LoggingPOP3 You might also see the following events in the system log: Log Name: System Source: Schannel Date: 8/4/2013 1:00:33 AM Event ID: 36888 Task Category: None Level: Error Keywords: User: SYSTEM Computer: Description: A fatal alert was generated and sent to the remote endpoint. This may result in termination of the connection. The TLS protocol defined fatal error code is 10. The Windows SChannel error state is 10. Cause: This is a bug in Exchange 2013 CU1. Resolution: Install Cumulative update 2 for Exchange 2013 on all the Exchange 2013 Servers starting from Mailbox role. Additional Config: For sending emails when you use SMTP we will be using the CAS client connector and might need to run the below cmd. Set-ReceiveConnector "*CASHostnameClient Frontend CASHostname" -AdvertiseClientSettings $True -FQDN NLBUrl I am using windows NLB so I am used NLBUrl in the cmd to get high availability. I have asked Microsoft to fix the cmd in the below link: http://technet.microsoft.com/en-us/library/jj657