Easy way to fix error code 0x800ccc0f in Outlook problems

August 22, 2020 by Jimmie Bourn


Error code 0x800CCC0F is generated when sending email messages from Microsoft Outlook. This error occurs because the mail client (Outlook) cannot contact the MailEnable server. The most likely reason is that the firewall is preventing the connection between the client and server.



This problem may seem unexpected. All is well one day, the next Microsoft Outlook complains about error 0x800ccc0f while trying to send email.

It depends on Microsoft products that conflict with Microsoft products, such as B. MS Window firewall that blocks MS Outlook. Check if any of the following scenarios apply to you and follow the steps to fix the problem.


When you try to send or receive an email message in Outlook 2002, you may receive an error message that resembles the following:


How do I fix Outlook error 0x800ccc0f in Windows 10?

General Methods to Fix Outlook Error 0x800ccc0f
  1. Check for connection problems.
  2. Disable Windows antivirus and firewall.
  3. Check your Outlook profile settings.
  4. Remove suspicious emails from Outlook and Outlook Outbox.
  5. Check the MTU of your router.
  6. Start MS Outlook in Safe Mode.
  7. Use the Inbox Repair Tool.
  8. Convert OST to PST.

This issue can occur if you have enabled an antivirus email protection utility that scans incoming email from your POP (Post Office Protocol) server.


To resolve this issue, disable Email Virus Protection and Windows Firewall. Follow these steps to disable Windows Firewall:

How do I fix Outlook server error?

There are several ways to fix the Outlook Send Receive error. Some of them are listed below:
  1. Check the internet connection is available.
  2. Confirm the correct Outlook email settings.
  3. Delete suspicious emails from your mailbox.
  4. Remove corrupted mail profiles from MS Outlook.
  5. Avoid conflicts with your antivirus.

1. Open Control Panel (Start> Control Panel)
2. Open your network connection
3. Right click on the internet you are using -connection (LAN, WLAN or GreenNet).
4. Select
from the Properties menu. 5. Click the Security tab and disable the firewall.

If you have not already done so, you will need to manually add the incoming POP server name (pop.gn.apc.org) and the outgoing SMTP server name (smtp.gn.apc.org) to the E Accounts dialog box. mail in Outlook. Follow these steps to manually add a POP server setting:

1. Start Outlook.
2. From the Tools menu, select Email Accounts.
3. Click View or Modify Existing Email Accounts, then click Next.
4. In the Email Accounts dialog box, click Add.
5. Click POP3, then click Next.
6. Enter the correct information for your POP3 mail server and click Next.
7. Click Finish.


When you try to send an email over an SMTP connection, you may receive an error message similar to the following after the email is delivered:
Your server dropped the connection unexpectedly. Possible causes: server problems, computer problems Or a long period of inactivity. Over Limit Subject, Account: Account Name, Server: Server Name, Protocol: SMTP, Port: 25, Secure (SSL): None, Error Number: 0 × 800CCC0F

2nd Possible REASON When Using Windows 2000

This issue can occur if the message size exceeds the maximum message size of the SMTP connection. The receiving server usually generates error 552. Other mail clients check the maximum allowed length before sending.


To resolve this issue, obtain the latest service pack for Microsoft Windows 2000. For more information, click the number below to view the related article in the Microsoft Knowledge Base:

A supported hotfix is ​​now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to computers that have this specific problem. This fix can also be tested. If you are not seriously affected by this issue, Microsoft recommends that you wait for the next service pack for Windows 2000, which will include this update.

To resolve this issue immediately, contact Microsoft Product Support Services to obtain an update. For a complete list of Microsoft Product Support telephone numbers and support pricing information, visit the following Microsoft website:

error code 0x800ccc0f in outlook

NOTE. In special cases, the fees normally charged for support calls may be waived if a Microsoft support professional decides that a specific update will fix your problem. Normal support costs are for additional support questions and issues that are not related to the update in question.


Microsoft has confirmed that this is a problem in the Microsoft products listed at the beginning of this article. This issue was first fixed in Microsoft Windows 2000 Service Pack 4.

OL2002: Error 0x800ccc0f: Lost connection to server when trying to send or receive email







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