RE: POP3 fail to start on SBS 2003

Hi Sava,

Thank you for posting here.

According to you description, I understand you clients got the error
0x800CCC0F from internal and external network. If I'm off base, please feel
free to let me know.

Based on my knowledge, the 0x800CCC0F error code indicated the connection
to the mail server is closed. Generally speaking, this error will be caused
by multiple reasons as well as damaged messages in your mailbox. The
following ones are some of the examples.

1. The third party issue. Either the 3rd party anti-virus applications or
the firewall may cause the issue.
2. Incorrect account settings.
3. Outlook issue such as a corrupted profile.

At this time, I would suggest that we perform the following steps to narrow
down the issue first.

Step 1: Temporarily disable all 3rd party antivirus applications and
firewalls
====================
If you are using any antivirus software or firewall software, please
temporarily disable them, as well as the Windows Firewall to check the
effect. Please pay more attention if you are using Norton Antivirus. Please
uncheck "Scan incoming Email" and "Scan outgoing Email" options in Norton
Antivirus to check the effect as this is a known issue that will cause such
error.

Step 2: Create a new profile:
====================
If this issue persists, I suggest that we create a new Outlook profile. A
new profile is a new environment for us to use Outlook. Creating new
profile will not do any damage to the old profile. Please follow the steps
in the Microsoft KB article below:

How to create a new e-mail profile in Outlook 2003
http://support.microsoft.com/?id=829918
Note: This article also contains links for previous versions of Outlook.


In addition, try the following telnet session on the same Outlook 2003
computer:

a) At the command prompt, type "telnet" (without the quotation marks), and
press ENTER.

b) At the Microsoft Telnet command prompt, type "set LOCAL_ECHO" (without
the quotation marks), and then press ENTER.

c) Type "open <server_ip_address > 110" (without the quotation marks), and
then press ENTER.

NOTE: The server_ip_address is the POP3 server''s IP address.

d) Type the following command to specify the username:

user <your_username>

Note: Replace <your_username> with your username.

e) Type the following command to specify the password:

pass <your_password>

Note: Replace <your_password> with your password.

f) Type the following command to see the number of messages in your mailbox.

stat

Note: you may also use "list" command here.

g) Type the following command to show the e-mail:

retr <mail_number>

For example: Use "retr 10" to retrieve the 10th message.

h) Type "quit" (without the quotation marks) to close the session.

If the telnet session fails as well, repeat the same telnet test on the
mail server itself to narrow down if its a client side issue or network
issue.
If you receive the following error message: Connection to host lost.

There is a know issue. ESM changed the Access Control for the POP3 Virtual
Server to
"Only the list below" and hadn't added any entries thus looking out all IP
addresses.


Please perform the following steps to solve this issue:

Open Exchange System Manager on your SBS box.
Expand the expand the Protocols object below the Exchange Server object.
Expand the POP3 object and bring up the properties of the Default POP3
Virtual Server.
Choose the Access tab and within the Connection control section hit the
Connection button.
On the Connection properties page switch to "All except the list below".
After that, click Start go to run, enter iisreset to restart the IIS
service.


Hope this helps. I look forward to your update.

Have a nice day!

Best Regards,

Chace Zhang (MSFT)

Microsoft CSS Online Newsgroup Support

Get Secure! - www.microsoft.com/security

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