Microsoft KB Archive/320759

= &quot;The host could not be found&quot; error message when you send or receive messages in Outlook 2000 =

Article ID: 320759

Article Last Modified on 1/7/2006

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APPLIES TO


 * Microsoft Outlook 2000 Standard Edition

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This article was previously published under Q320759



SYMPTOMS
If you try to send or receive messages, you may receive an error message, similar to the following error message, that states that your Post Office Protocol version 3 (POP3) or Simple Mail Transfer Protocol (SMTP) host could not be found:

The host  could not be found. Please verify that you have entered the server name correctly. Account:, Server:  , Protocol: POP3, Port: Secure (SSL): No, Socket Error 11001, Error Number 0x800CCC0D

Additionally, you cannot ping or establish a Telnet connection to the mail server.



CAUSE
This behavior can occur if you have Zone Labs firewall software, such as ZoneAlarm or ZoneAlarm Pro, installed on your computer. These programs can prevent communications with your mail server.



RESOLUTION
To resolve this behavior, remove the Zone Labs firewall software from your computer. To do this, see the program documentation or contact Zone Labs at the following Zone Labs Web site for more information:

http://www.zonelabs.com/services/support.htm



MORE INFORMATION
For more information about ZoneAlarm or to contact Zone Labs, see the following Zone Labs Web site:

http://www.zonelabs.com

For additional information about how to troubleshoot a similar error message when you use Microsoft Outlook on a computer that is configured as an Internet Connection Sharing (ICS) client, click the article number below to view the article in the Microsoft Knowledge Base:

252322 OL2000: (CW) Error Message: The Server Could Not Be Found Using ICS Connection

For additional information about how to troubleshoot a similar error message with Microsoft Outlook Express and ZoneAlarm, click the article number below to view the article in the Microsoft Knowledge Base:

274456 Error Finding POP3 or SMTP Servers When You Send or Receive E-mail Messages

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Additional query words: OL2K

Keywords: kberrmsg kbprb KB320759

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