How to Fix Outlook Error 0x800ccc0e?

The most common error that Outlook poses is “0x800ccc0e” which can be seen as:

“The connection to the server has failed. Account: ‘your_account’, Server:’your_SMTP_server’, Protocol: SMTP, Port: 25, Secure (SSL): NO, Socket error: 10061, Error Number: 0x800ccc0e“

The very first step is to know why this error occurs and how it can be solved. The error 0x800ccc0e can appear for many reasons in MS Outlook, Outlook Express, or similar email clients. This article explains why this error occurs and how it can be solved followed by guidelines to fix the issues. Let’s talk about the causes first.


Why Does Outlook Error 0x800ccc0e Occur?

The main reason for Outlook error 0x800ccc0e is a failed Internet connection. There could be configurational changes that are blocking Outlook connection, which may be changed by you in settings of Outlook or on your system. The reasons that can cause the error are mentioned as:

  • Your Internet connection may get disrupted.
  • The Antivirus protection settings are restricting you to establish a connection.
  • Corrupt PST files in the mailbox may prompt the working.
  • Windows Firewall may be blocking your certain Outlook features.
  • SMTP authentication might not be configured.

In order to correct the 0x800ccc0e error, you must know how to fix it quickly.

Cause 1: Disrupted Internet Connection.

Sometimes, it could happen that your internet connection might not be working correctly and Outlook fails to connect to the server which may cause the error 0x800ccc0e to pop up.

Solution: Check whether your internet is connected or not in the Networks button on the taskbar. If you are connected and still facing the issue check in Outlook, whether the Work Offline option is selected or not. Unselect the Work Offline mode, if selected, and then try reconnecting. If you still face the issue, then read Cause 2.

Cause 2: Antivirus Protection settings restricting establishing a connection.

Antivirus may be the cause of Outlook error 0x800ccc0e, as they come with topmost priority to safeguard user data and restrict unknown server connection type.

Solution: Disable your Antivirus protection and then try again. If you face trouble with Antivirus settings, visit the Antivirus manufacturers’ website and look for a solution. Enable your Antivirus after your task gets over. If your error does not fix here, then try the next solution.

Cause 3: Corrupt PST files in the mailbox may prompt the working.

Oversized PST files can get corrupted and can hamper your work by which this error appears. This could trigger unwanted manipulation within your system settings and may affect your Outlook and create a 0x800ccc0e error.

Solution: To repair your PST files, we recommend you to use SysInfo PST Recovery Tool. This tool recovers your oversize or corrupt PST files which are prone to corruption at least once. Or if you have a large size PST file, you can use SysInfo PST Split Tool.

You can always remove temporary files that may cause several disruptions in your system by going to the %temp% folder on your Windows device. Then restart your system and try again, if the issue still persists, then read the next step.

Cause 4: Windows Firewall blocking certain Outlook features.

Windows 7, 8, 8.1, & 10 comes with a pre-installed Firewall and Security feature that prevents certain viruses even ransomware to enter your Windows device, but sometimes, the hard rules applied by the Firewall to prevent virus attacks may cause third party user-installed applications to misbehave. Outlook.exe is an executable third party file for a firewall due to which firewall restricts its working and features.

Solution: Disable firewall for a short period, and then try again to execute your task. This will trigger the restricted activities and will allow third-party applications to work with full authority. Enable your firewall after your task gets over. Even after this, your issue is still intact, then see for the next point.

Cause 5: SMTP authentication might not be configured.

Outlook servers use IMAP authentication which may not configure properly and can cause Outlook to display error 0x800ccc0e.

Solution: Turn on the SMTP authentication by following the given steps:

  1. Open Outlook.
  2. Go to Files > Tools > Account settings.
  3. On the Account setting windows, click on the Email tab, which will display your email ID in the centre.
  4. Select the Email ID, and click on the Change button. “Change Email Account” dialog box will be displayed.
  5. Here, click on the “More Settings”, which will open up the “Internet E-mail Settings” dialog box.
  6. Select the “Outgoing Server” option in the panel, check for “My outgoing server (SMTP) requires authentication”, select if not selected, and if selected, click on Ok.
  7. Restart Outlook.

Check if the issue still persists! If it does, try the other methods used to fix Outlook error 0x800ccc0e.

Other Methods To Fix Outlook Error 0x800ccc0e

If you were not able to fix Outlook error 0x800ccc0e by the major cause and solutions mentioned above. Then there may be some other issues that could cause Outlook error 0x800ccc0e to persist. To fix your error you can see the issues and solutions given below:

  • Incorrect Port Numbers

In some cases, the user may get an error code 0x800ccc0e if the port numbers are incorrect. To fix the problem, follow these steps:

  1. Open Outlook
  2. Go to Files > Tools > Account Settings.
  3. On the Account Settings window, click on the Email Tab.
  4. Double click on your displayed Email Account.
  5. In the Change Email Account dialog box, click on “More Settings.”
  6. On the “Internet E-mail Setting” dialog box, go to the “Advanced” settings tab.
  7. Check whether the port number in the “Outgoing server (SMTP)” is set to 587, if not, change it.
  8. Click Ok, and restart the application to apply changes.

If the issue still persists, check the next method.

  • Delete Duplicate Accounts

A duplicate email account may cause a possible Outlook error 0x800ccc0e to occur, which may cause conflicts within the application. To remove a duplicate email account and fix the issue, follow the given steps:

  1. Open Outlook.
  2. Go to Tools > Account Settings > Email Tab.
  3. Select your duplicate E-mail ID and click on the “Remove” button.
  4. Click Ok and Restart your application.

If Outlook error 0x800ccc0e still occurs, Re-install the application.

Wrapping Up

We have brought to front all the causes that could be the possible reason for you to face Outlook error 0x800ccc0e. Outlook errors are general for every user and we hope that you must have fixed your issue with the help of top best PST repair tool and these solutions. The five major causes are more likely to get corrected in lesser time and fewer efforts whereas the other methods could be the reason for low technical knowledge.

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