How to Fix Windows Live Mail Error 0x800CCC0B Easily?

Are you facing Windows live mail error code 0x800CCC0B? It means your email service provider needs authentication for both incoming and outgoing mail servers. Here in this blog, we are going to describe the method to fix Windows Live Mail Error 0x800CCC0B. Please follow the steps outlined here to correct the issue.

While many email service providers do not require authentication for outgoing emails, Windows Live Mail can require separate authentication for outgoing emails. When you get the error code 0x800CCC0B, it means your email service provider needs authentication for both incoming and outgoing emails. The user is unable to send emails due to this error. So, in order to send emails freely, you’ll need to enable authentication rights.

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User query

I’m using Windows Live Mail on my Windows 7 computer to manage my email accounts. I am able to receive emails but while sending emails facing an error.

This is the error message I am receiving:

An unknown error has occurred.

Subject ‘test’

Server: ‘’

Windows Live Mail Error ID: 0x800CCC0B

Protocol: SMTP

Port: 465

Secure(SSL): Yes

How to Fix Windows Live Mail Error 0x800CCC0B?

It’s easy to fix Windows Live Mail 0x800CCC0B authentication error. To allow authentication, go through the steps mentioned below:-

  • Launch Windows Live Mail and click on Account tab.
  • Select the e-mail account that is causing the error and then click on Properties.
  • Select the Servers tab and look for the Outgoing Mail Server section on the properties window. Click on the My Server Requires Authentication checkbox and then hit on OK.

This will allow incoming and outgoing email authentication, and you will no longer receive the error.

In most cases, the email service provider uses the incoming mail username and password to authenticate outgoing emails. If this is not the case, proceed with the following steps:-

  • Click on Setting button.
  • The Outgoing Mail Server window will appear on your computer screen. Check the box labelled “Log on using” and enter the account username and password for outgoing mail and click the OK button.


Like every other mail client, Windows Live Mail will securely receive and send mails from your e-mail service provider. For both incoming and outgoing mails, Windows Live Mail need server authentication and as a result of this shows error 0x800CCC0B. You can repair Windows Live Error 0x800CCC0B by applying the above mentioned steps.

Also Read:- How to Fix Windows Live Mail Error ID 0x8de00005?

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