How to Fix Windows Live Mail Error Code 0x800CCC6F

How to Fix Windows Live Mail Error Code 0x800CCC6F

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Windows Live Mail Error Code 0x800CCC6F usually indicates a problem connecting to your email server—often when trying to send messages via SMTP using Outlook 2010, 2013, or 2016. Common causes include incorrect port settings, SSL/TLS configuration issues, or temporary server communication failures.

Begin by opening Windows Live Mail and navigating to Accounts → [your email account] → Properties → Advanced. Verify that your SMTP port is set correctly (typically 465 for SSL or 587 for TLS), and make sure the "This server requires a secure connection (SSL)" option matches your provider’s settings. You can find these details by signing into your account provider’s dashboard or support site.

If settings are correct but the error continues, temporarily disable your antivirus or firewall software to ensure they aren’t blocking outgoing SMTP communication. Then restart Windows Live Mail and attempt to send the email again.

For better connection stability, consider switching to TLS on port 587 if you’re using SSL on port 465—or vice versa—based on your provider’s recommendations. If the server rejects the connection again, remove and re-add your email account in Windows Live Mail to refresh the configuration.

If the issue persists after these steps, see the full troubleshooting guide at WinChatSupport’s article on this error for detailed solutions and advanced tips: WinChatSupport guide for Error Code 0x800CCC6F.

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