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Exchange 2003 Pop3/IMAP4 not working.

Posted on 2009-05-14
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Last Modified: 2013-11-29
I installed a new exchange server, everything is working fine and it recieves emails, manages the domain correctly etc etc. but I cannot for the life of me get pop3 or imap working.  This is driving me nuts.  I have never seen anything like this happen before.  The services are runing, and its configured in system manager.  Now when i try to connect to the server from a computer it keeps asking for the username/password like its wrong.  This is confusing, I have tried domain\username, username, etc.  I started a log file of the pop 3 and imap connectors, and here is the message I get every time it tries to connect.

05/06/2009 21:44:21.015 <<< (TID:7b0): TlRMTVNTUAABAAAAB4IIogAAAAAAAAAAAAAAAAAAAAAGAHEXAAAADw==
05/06/2009 21:44:21.015 >>> (TID:7b0): + TlRMTVNTUAACAAAACgAKADgAAAAFgomi9dFik8nEXGMAAAAAAAAAAHoAegBCAAAABQLODgAAAA9PAE0ATgBFAEsAAgAKAE8ATQBOAEUASwABABAARQBYAEMASABBAE4ARwBFAAQAEgBPAG0AbgBlAGsALgBjAG8AbQADACQAZQB4AGMAaABhAG4AZwBlAC4ATwBtAG4AZQBrAC4AYwBvAG0ABQASAE8AbQBuAGUAawAuAGMAbwBtAAAAAAA=
05/06/2009 21:44:21.046 <<< (TID:7b0): TlRMTVNTUAADAAAAGAAYAG4AAAAYABgAhgAAAAAAAABYAAAADAAMAFgAAAAKAAoAZAAAAAAAAACeAAAABYKIogYAcRcAAAAPUT4V/u8aZZcrrLomq01ne2EAbABvAG8AcwBlAEEARABBAE0AMQD5LPb5mk/ULQAAAAAAAAAAAAAAAAAAAADdemN8VtJ6mksfN8y2SZ6ktUifuoAJ4Vs=
05/06/2009 21:44:21.046 >>> (TID:7ac): 407j NO The service has not been started.
05/06/2009 21:44:21.078 <<< (TID:7b0): qj6j AUTHENTICATE NTLM
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Question by:Itguy12
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Expert Comment

by:dglenp
ID: 24386308
Are you using Outlook 2007?  I had a similar problem, but I was connecting to the server using MAPI.  I had Outlook 2003 security settings on the account set to Kerberos Authentication.  When I tried to connect to the same account using Outlook 2007, I kept getting the behavior you described.  I had to change the security settings in Outlook 2007 to 'Negotiate Authentication.'  This is an issue between Outlook 2007 and Exchange Server 2003.  I don't know if this is the problem you're having, but the behavior you described caught my eye.

Hope this helps...
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Author Comment

by:Itguy12
ID: 24389520
I am runing Outlook 2003 with windows XP Professional on the workstations.  The message seems along the lines of a service not runing? but it is.  It authenticates the user, but as soon as it tries to access the resource on the server it cannot find it (or so it seems)  Im sure this is a real silly solutions but im stumped.
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Expert Comment

by:nBuck
ID: 24389578
I have you tried to just telnet to port 110 and use

user "username here without the quotes"
pass "password here without the quotes"
list

This will tell you if the server is responding to the most basic POP3 connections. Take Outlook out of the equation.
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Author Comment

by:Itguy12
ID: 24389841
it says:

-ERR The service has not been started.

but when i look on the server the service is running....
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Author Comment

by:Itguy12
ID: 24389923
Here are some screenshots so you can see im not crazy lol
Manager.jpg
Services-copy.jpg
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Author Comment

by:Itguy12
ID: 24412304
Any idea whats going on?
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Expert Comment

by:nBuck
ID: 24412385
Did you telnet using name or IP address? Have you checked any firewall settings to be sure the ports are allowed into the server? Are you on the same subnet as the server when trying to use telnet?
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Expert Comment

by:nBuck
ID: 24412403
Also POP3 might only be running using SSL and not the non-SSL port of 110. You can run netstat -an from the command prompt to see if you are listening on port 110.
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Author Comment

by:Itguy12
ID: 24412419
ohh I think your right. Looks like its only listening for SSL connections...
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Author Comment

by:Itguy12
ID: 24412567
How do I get exchange to accept non SSL connections?
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Expert Comment

by:nBuck
ID: 24412608
Right click Default POP3 server...choose properties....click on Advanced....what ports do you have listed for TCP and SSL?
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Author Comment

by:Itguy12
ID: 24413559
I installed SSL cert thinking I could just use the SSL port, and its still having the same message when trying to connect through IMAP via SSL:

cns7 LOGIN testaccount <password>
cns7 NO The service has not been started.

This is driving me nuts, port 993 is open for IMAP, and 995 isnt being listed as open. its like pop3 ports dont work at all... I dont get it. this dosent make any sense...
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Author Comment

by:Itguy12
ID: 24413564
oh and the default ports are all set.
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Expert Comment

by:nBuck
ID: 24414082
So to confirm....you ran "netstat -an" from the command line of the server and did not see either POP3 ports as listening? If they are listening then the next thing I would do is stop and start the service while watching your system and application logs.
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Author Comment

by:Itguy12
ID: 24415077
I dont know, netstat -an is spamming me with thousands of lines of UDP stuff. cannot scroll up far enough to see what i need to see.  Im so frustrated.
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Expert Comment

by:nBuck
ID: 24415103
netstat -an | more
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Author Comment

by:Itguy12
ID: 24415187
Here is a saved copy of TCPview which  I use, pretty much the same thing as netstat.  I hate netstat.
TCPview.txt
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Author Comment

by:Itguy12
ID: 24415223
heres a screenshot of netstat, thanks for the More command.
netstat--an.JPG
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Expert Comment

by:nBuck
ID: 24415526
I see 110 and 995 so the service is listening. Try telnetting to 110 again. POP3 is slower to start than other services and maybe it hadn't started yet when you tried earlier.

Are you connecting from the same subnet as your server? Is a hardware/software firewall blocking anything from coming into the server?

Try telnet on the server itself and test again.

telnet localhost 110
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Author Comment

by:Itguy12
ID: 24416163
-ERR The service has not been started.  is still received when properly authenticated through telnet.
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Author Comment

by:Itguy12
ID: 24416775
This comes up in my event viewer... This may be causing the problem.  any ideas on the resolution?

Initialization of external interface POP3 failed; Error ecVersionMismatch-MAPI_E_VERSION.

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Accepted Solution

by:
Itguy12 earned 0 total points
ID: 24443904
I reinstalled Exchange and it seemed to fix the problem.  Guess the original install was corrupted.
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