How To Fix Outlook Error 0x800CCC0F?

Updated on June 14, 2023

Did you encounter the error saying “Your Server Has Unexpectedly Terminated the Connection; Outlook Error Number: 0×800ccc0f” error message on your Outlook while sending or receiving an E-mail Message; This error might appear when you are sending or receiving SMTP based emails and Outlook fails to connect to the mail server.

This could occur in MS Outlook 2019, 2016, etc due to interruption in connection caused by internet connection, firewall settings, or damaged OST file. To fix the Outlook Error 0x800ccc0f you can use Remo Repair Outlook (PST) tool by fixing the corruption. This tool thoroughly scans your entire Outlook PST files and extracts all the data and fixes all the errors easily.

What is error 0x800ccc0f Outlook?

Outlook error 0x800ccc0f is a very common error that pops up while sending or receiving emails. This issue generally occurs when SMTP based email sending or receiving operation fails to execute. This error is also known as the ‘time out error’ as it arises when the connection to the server is interrupted. This error blocks your Outlook file access and might result in the loss of important Outlook data.

Such unexpected Outlook errors can be very frustrating as they put a halt to email communication. Also, this error returns the following message which can be quite difficult to comprehend.

Task ‘server name – Sending and Receiving’ reported error (0x800ccc0f): ‘The connection to the server was interrupted. If this problem continues, contact the server administrator or Internet service provider (ISP).

 Outlook repair button for Outlook error 0x800ccc0f

However, no need to worry as these are some errors that occur in Outlook due to problems in the account configuration, connection settings, etc. Thus, it can be easily resolved if you change the settings according to the issue. In this scenario, you might encounter the send and receive error 0x800ccc0f after you click on the Send/Receive option (which refreshes your Inbox).

In this article, we have discussed the error code ‘0x800ccc0f’, its causes, symptoms, and methods to resolve the error. By following this guide, you will be easily able to fix the 0x800ccc0f Outlook error and restore normal email communication.

Before going ahead and learning about the solutions to fix Outlook error 0x800ccc0f, let us first understand what is this error and its causes.

What is the Indication of Outlook send receive error 0x800ccc0f?

When you try to send or receive any email and the operation fails, the error will pop up like this: "Error 0×800ccc0f: Connection to the server was interrupted." The entire message for the failure will show like this:

"Your server has unexpectedly closed the connection. Possible causes may include network problems, server problems, or inactiveness of a long time. Account: mail.domain.com, Server: 'mail.domain.com', Protocol: POP3, Server Response: '+OK', Port: 110, Secure (SSL): N0, Error Number: 0x800ccc0f".

What causes Outlook sending receiving error 0x800ccc0f?

Following are the reasons that can cause Outlook to send receive error:
  • Firewall blocking outgoing and incoming messages in Outlook
  • Corrupt OST file
  • Hindrance in the internet connectivity
  • Corruption in Outlook profile
  • An issue in server settings
  • PST file size is larger than the recommended one
  • Wrong Outlook profile settings

Now that we have understood the reasons that can cause the error, let’s see the symptoms of the error.

As of now, we have understood what is the actual issue and the reasons, let us proceed forward and try the troubleshooting methods.

How do I Fix Error 0x800ccc0f in Outlook?

Verify the network connectivity Increase the Server Timeouts Setting in Outlook Deactivate the Windows Firewall and Antivirus Software
Check if there are any faulty Outlook settings Run ScanPST.exe or ScanOST.exe [Inbox Repair Tool] Use Remo Repair Outlook [PST] to fix Outlook error 0x800ccc0f

 

  1. Verify the network connectivity
  2. First of all, ensure that the internet connectivity is working and stable. In most cases, Outlook error 0x800ccc0f comes up because of a bad internet connection. So try to open other websites and if it is not opening then reboot your router.

    If the issue still persists then test the second way.

  3. Increase the Server Timeouts Setting in Outlook
  4. MS Outlook also has its own Server Timeouts bar which can fix disrupted connections when you drag it to a longer setting. This is also a widely used method to resolve Outlook error 0xc800ccc0f.

    Following are the steps to increase Server Timeout Setting in MS Outlook:

    • Open Outlook> Info>File.
    •  Outlook profile change option

    • Click on Account Settings and then press Account Settings to go to the Email accounts window and press Change.
    •  Outlook profile change option

    • Click on the More Settings>Advanced tab> Server Timeouts option.
    •  outlook more settings option

    • Move the slider to the right to increase the time.
    •  Outlook sever timeout

    • Click OK.

  5. Deactivate the Windows Firewall and Antivirus Software
  6. Windows Firewall can block MS Outlook if it is using any third-party plugins. Thus, deactivating the firewall can be a feasible solution to fix Outlook error 0x800ccc0f.

    Recommended: Instead of disabling the firewall you can set the adequate priority with MS Outlook and Express email client in Windows Firewall. Allow the access for the following two files:

    • Outlook.exe (in MS Outlook)
    • Msimn.exe (in Outlook Express)

    Steps to disable the Windows Firewall: 

    • Go to Start and then go to the Control Panel.       
    • Select System and Security.
    • Then click on Windows Firewall
    • Click on Turn Windows Firewall on and off.
    • Then click on the last option of Turn Off Windows Firewall. Click OK.
    NOTE: Deactivating Windows Firewall can make your device vulnerable to unauthorized access.

    After you have disabled the Windows Firewall, you have to manually add the SMTP server name for outgoing emails. You also have to add the POP3 server name for incoming emails to the Outlook account.

    Steps to do so in Office 2016, 2019:

    • Go to MS Outlook and click on File
    • Then select Account Settings.
    • Select the email account and click on Change.
    • Type your server’s name in the Outgoing mail server (SMTP) section and click on Add>POP3>Next
    • Fill in the correct POP3 mail server details and click on Next.
    • Click on More Settings> Outgoing Server.
    •  Enter the Username and password.
    • Click on OK>Next>Finish

    Any third party Antivirus software that scans emails can restrict Outlook’s outgoing and incoming emails. So turning off the Antivirus Software can fix the Outlook error 0x800ccc0f.

    Recommended: Instead of disabling the Antivirus, you can just try to enable error-free compatibility between antivirus and MS Outlook. The guidelines to make Outlook compatible with your Antivirus software you can refer to the respective antivirus software’s website.

    Otherwise, you can provisionally disable the antivirus from Windows and then restart the OS as follows:

    • Right-click on Windows 10 taskbar and then click on Task Manager.
    • Select Task Manager> Start-up tab
    • Click on Anti-virus utility> Click on Disable
    • Reboot Windows.

    If this hack is also not able to remove the error then proceed with the next step. 

  7. Check if there are any faulty Outlook settings
  8. Faulty Outlook settings can lead to Outlook sending receiving error 0x800ccc0f. For example, the wrong SMTP host, incorrect username or password, authentication, SMT ports, etc. can affect the Outlook profile.

    So check the default profile settings of the Outlook account. In case you do not know how to rectify it, create a new profile after deleting the previous one. ( Creation of a new Outlook profile will not be applicable for Outlook Express). This step can fix the issue if there is an Outlook profile corruption.

    {Optional}You can also try to repair the Outlook profile corruption with the following steps:

    • Open MS Outlook and click on File
    • Click on Account Settings and again in the dropdown list click on Account Settings
    • In the next window select the corrupt Outlook profile from the options and hit the Repair button. 
    •  Outlook repair button for Outlook error 0x800ccc0f

    • Confirm the login details and hit Next
    • After the process is complete, click on Finish.

    Changing the wrong Outlook settings should resolve the issue but if not, then the cause of the error is OST/PST file corruption.

  9. Run ScanPST.exe or ScanOST.exe [Inbox Repair Tool]
  10. Corruption in OST/PST files can also lead to Outlook error 0x800ccc0f. Microsoft Outlook has an in-built repair tool that can fix minor corruptions. You can use the Inbox repair tool to diagnose and mend the error in your OST/PST files.

    ScanPST.exe or ScanOST.exe launches the tool and starts repairing the inbox.

    NOTE: We recommend creating a backup of the existing Outlook data file before you start with the process.

    Steps to follow:

    Make use of the table to Locate the ScanPST tool on your PC based on your Outlook version.

    Outlook Version ScanPST Location

    Outlook 2019

    • 32-bit Version:C:\Program Files (x86)\Microsoft Office\root\Office19
    • 64-bit Version: C:\Program Files\Microsoft Office\root\Office19
    Outlook 2016
    • 32-bit Windows: C:\Program Files (x86)\Microsoft Office\Office16\
    • 64-bit Windows: C:\Program Files\Microsoft Office\Office16\
    Outlook 2013
    • 32-bit Windows: C:\Program Files (x86)\Microsoft Office\Office15\
    • 64-bit Windows: C:\Program Files\Microsoft Office\Office15\
    Outlook 2010
    • 32-bit Windows: C:\Program Files (x86)\Microsoft office\Office 14\
    • 64-bit Windows: C:\Program Files\Microsoft office\Office 14\
    Outlook 2007
    • 32-bit Windows: C:\Program Files (x86)\Microsoft office\Office 12\
    • 64-bit Windows: C:\Program Files\Microsoft office\Office 12\
    Outlook 2003
    • 32-bit Windows: C:\Program Files (x86)\ Common Files\System\MSMAPI\
    • 64-bit Windows: C:\Program Files\Common Files\System\MSMAPI\
    Outlook 2002 or XP 32-bit Windows; C:\Program Files\Common Files\System\MSMAPI\
    Outlook 2000 C:\Program Files\Common Files\System\MAPI\locale ID\NT\scanpst.exe
    Outlook 97 / Outlook 98 C:\Program Files\Common Files\Windows Messaging\scanpst.exe
    • Open the file if Cortona finds it otherwise open File Explorer.
    • Select File Tab click Change folder and search options.
    • Click on View Show hidden files, folders, and drives
    • Click on Apply OK
    • Scanpast.exe will be available in C: Program Files Microsoft OfficeOffice 16 path.Change the number at the end of the path with the Office version that you are using. For example, for Office 2013 path, you need to type C: Program Files Microsoft OfficeOffice 13.
    • Double click on ScanPST.exe
    • locate-scanpst-application

    • Click on Start in the MS Outlook Repair Tool Window
    • After the scanning is done click on Repair
    • select-destination-and-select-repair

    • If the error still shows up even after you have tried to fix the corruption with the Inbox Repair Tool, it is recommended to use a third party PST repairing tool.
    • NOTE: It is because of the fact that the in-build Repair Tool works directly on the original PST file. And thus it can cause further damage to the file which will make the fixing part more complex.

  11. Use Remo Repair Outlook [PST] to fix Outlook error 0x800ccc0f

If your Outlook is majorly corrupt, the manual method will not help fix the damage. Choose a professional PST Repair tool like Remo Repair Outlook [PST]. It ensures the safety of the original PST file as it works in read-only mode and can effectively repair Outlook data files while being extremely user-friendly.

trustpilot-user-review

Sourc: Trustpilot

Remo Repair Outlook [PST] can proficiently fix the Outlook PST file even if it is severely corrupted and resolves the Outlook error 0x800ccc0f. This software ensures the safety of the original PST file by working on a copy and creating a healthy PST file. Try the tool and fix the damage in the PST file to resume Outlook email communication.

  • This tool works on any Outlook version i.e. Outlook 2013, 2016, 2019, etc.
  • The best part of this tool is that it not only repairs the file but can recover the deleted Outlook emails, contacts, calendars, etc which ScanPST fails to do.
  • Additionally, if you are not able to locate the PST file, the tool will search the PST file for you and will repair it.

How to use Remo Repair Outlook [PST] to repair PST files?

  • Launch the tool and select any one option (Open Default PST file, Select PST file manually, Find all your PST file).
  • choose-outlook-file-import-method

  • You can use the browse option to select the PST file that you wish to repair.
  • import-corrupted-pst-file

  • Choose from the two scan options - Normal Scan, Smart Scan and click on Repair
  • select-destination-folder-and-click-repair

  • After the repair process is complete, click on Preview.
  •  PST repair tool end screen

  • Once you finish the repairing process, it will give you a complete preview of the repaired PST file in Outlook styled browser. After you are satisfied with the final result, you can activate the tool and save the recovered data.

Tips to avoid reported error 0x800ccc0f in Outlook

  • Delete messages that are stuck in Outbox

  • Run Outlook in the Safe Mode

  • Delete all the suspicious emails from Outlook 

  • Keep a check on the data store integrity

Wrapping up:

We hope the above-mentioned solutions to fix outlook error 0x800ccc0f were able to resolve your issue. If this article helped you, please share this information with your friends and colleagues as well. Feel free to reach out to us or comment below in the comment section in case you have any queries regarding the Remo Repair Outlook software. We have a 24/7 technical support team to assist with all your queries.

Below video guides you to fix the error 0x800ccc0f


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