Outlook 0x800ccc0d Error

How To Troubleshoot Outlook 0x800ccc0d Error ?

The Outlook error 0x800ccc0d occurs while users are trying to send as well as receive email messages in their Microsoft Outlook. This error usually happens when the Outlook is not capable to determine whether the PC is connected to the Internet or if there is any such program blocking their Outlook’s access to the internet. This error is universal for all versions of Windows system such as XP to 2010.  Other reasons such as unplugged cables, wrong account login details, firewall blocking the connection issue or even it may be a fault in the registry. But all these issues have simple solution and the blog has penned down steps to Troubleshoot Outlook error 0x800ccc0d with appropriate solutions.

Steps to troubleshoot Outlook 0x800ccc0d error

Step 1: PC’s anti-virus or firewall blocking outgoing connection

  • So, one of the top reasons for the Outlook error 0x800CCC0d is the issue of server listing customer’s IP which is located in the server firewall.
  • To check for the listing of IP in the server, it is strongly recommended to user to type the below command:

 # iptables -L -n | grep “xx.xx.xx.xx”

  • If it is found to be listed then, simply unblock with appropriate commands

Step 2: Blocked Customer IP in server firewall

  • Look for various clues in the customer’s report regarding all recent changes in their PC if the IP is found not to be listed in the server. Anti-virus as well as PC’s Firewall settings can easily block all outgoing connections to non-standard SMTP ports. The other thing can be quite possible that is choking of the connection with outgoing mail scanning settings issues.
  • It can be solved by disabling the anti-virus as well as firewall for a sometime, and re-connecting them can reveal the possible cause.

Step 3: Corporate firewall and VPN blocking mail connection issues

  • VPN number is used customers who are travelling a lot and is quite possible that they are affected with corporate firewall.
  • A solution to this to remove this Outlook error is enabling security settings in corporate firewalls to easily deny access to non-standard SMTP ports.

Step 4: Corrupted Outlook profile issue

  • If none of the above steps applied, it is possible that the Outlook profile is entirely damaged.
  • So, a prominent solution to this is simply to delete the profile which is the fastest way to resolve this error.
  • However, if it cannot be done then, make use of “Microsoft PST repair tool” to fix it.


If none of the above steps solve your problem then dial our Outlook Support Number expert team of technicians to resolve this issue faster. We bring world-class Outlook email solutions for users to help them provide the best possible answers for any related Outlook email issue. We are reachable by users 24*7 to answer their call as and when needed by them.