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Email - Outlook/Outlook Express Error Messages

This is a list of common error messages that are generated by Outlook or Outlook Express. Each error number below is linked to the Appropriate Microsoft Knowledge Base article to assist you in resolving the problem.

We understand how frustrating an email problem can be. This section is designed to give you easy access to the best information available in order to help you understand and resolve your Outlook and Outlook Express error messages.

Outlook/Outlook Express Error Messages
0x800ccc0E: - The connection to the server has failed. Account: '[account name]', Server: '[SMTP server name]', Protocol: SMTP, Port: 25, Secure (SSL): No, Socket Error: 10051, Error Number: 0x800CCC0E

0x800ccc0F: - Connection to the server was interrupted.

0x800ccc0D or 0x800ccc0F: - When you try to send and receive e-mail, you may receive one of the following error messages:
The server could not be found. (Account:account name, POPserver:'mail', Error Number: 0x800ccc0d)
- or -
Task 'server name - Sending and Receiving' reported error (0x800ccc0f): 'The connection to the server was interrupted. If this problem continues, contact your server administrator or Internet service provider (ISP). The server responded: ? K'
- or -
Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Account. account name, Server: 'server name', Protocol: POP3, Server Response: '+OK', Port: 110, Secure(SSL): N0, Error Number: 0x800ccc0f
- or -
Task 'SMTP server name - Sending and Receiving' reported error (0x80042109): 'Outlook is unable to connect to your outgoing (SMTP) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).'

0x80042109: - Task '[SMTP server name] - Sending and Receiving' reported error (0x80042109): 'Outlook is unable to connect to your outgoing (SMTP) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).'

0x8004210a or 0x800ccc19: - The operation timed out waiting for a response from the receiving (POP) server 0x8004210a
- or -
A time-out occurred while communicating with the server 0x800ccc19
0x800ccc78: - When connected through your current ISP, you cannot send mail through the SMTP server for your hosting account. Your ISP is blocking port 25 of your interent connection.