Microsoft KB Archive/832566

= You receive the &quot;an unknown error has occurred&quot; error message (0x800ccc1a) when you send or you receive e-mail message in Outlook =

Article ID: 832566

Article Last Modified on 1/9/2006

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APPLIES TO


 * Microsoft Outlook 2002 Standard Edition
 * Microsoft Outlook 2000 Standard Edition
 * Microsoft Outlook 98 Standard Edition
 * Microsoft Outlook 97 Standard Edition

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SYMPTOMS
When you send or you receive e-mail messages in Microsoft Outlook, you may receive an error message that is similar to one of the following error messages:

An unknown error has occurred. Please save any existing work and restart the program.

(Account: ' ', POP3 Server: ' '),

Error Number: 0x800ccc1a

An unknown error has occurred. Please save any existing work and restart the program.

(Account: ' ', SMTP Server: ' '),

Error Number: 0x800ccc1a



CAUSE
This behavior may occur if the Secure Sockets Layer (SSL) encryption is turned on for your e-mail account.



RESOLUTION
To resolve this behavior, do not use SSL encryption for your e-mail account in Outlook. Use one of the following methods to turn off SSL in your e-mail account.
 * For Microsoft Outlook 97
 * Start Outlook, and then click Services on the Tools menu.
 * In the Services window, select the e-mail account that you want to modify, and then click Properties.
 * In the Properties dialog box, click the Advanced tab.
 * Under Server Port Numbers, click to clear the This server requires a secure connection (SSL) check box that is under Outgoing Mail (SMTP).
 * Click to clear the This server requires a secure connection (SSL) check box that is under Incoming Mail (POP3).
 * Click OK two times.
 * For Microsoft Outlook 98 and Microsoft Outlook 2000
 * Start Outlook, and then click Services on the Tools menu.
 * In the Services window, click the e-mail account that you want to modify.
 * Click Properties, and then click the Advanced tab.
 * Click to clear the This server requires a secure connection (SSL) check box that is under Outgoing mail (SMTP).
 * Click to clear the This server requires a secure connection (SSL) check box that is under Incoming mail (POP3).
 * Click Apply, and then click OK two times.
 * For Outlook 2002
 * Start Outlook, and then click E-mail Accounts on the Tools menu.
 * In the E-mail Accounts window, click View or change existing e-mail accounts, and then click Next.
 * Select the e-mail account that you want to modify, and then click Change.
 * Click More Settings.
 * In the Internet E-mail Settings window, click the Advanced tab.
 * Click to clear the This server requires a secure connection (SSL) check box that is under Incoming server (POP3).
 * Click to clear the This server requires a secure connection (SSL) check box that is under Outgoing server (SMTP).
 * Click OK, click Next, and then click Finish.
 * Click Close

You can now send and receive e-mail messages in Outlook.

Additional query words: OL2003

Keywords: kberrmsg kbprb kbpending kbaccounts KB832566

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