This document explains how to fix Microsoft Outlook error code 0x800CCCOB if it is not working properly or throwing an error while installing, updating,  launching/opening, performing action like sending or receiving emails, configuring emails etc.

The error message may look like:
An unknown error has occurred. Subject ‘test’, Account: ‘XXX’, Server: ‘XXXXXXX’, Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0B

This solutions applies for following version of Microsoft Outlook:

  • Outlook 2007
  • Outlook 2010
  • Outlook 2013
  • Outlook 365
  • Outlook 2016
  • Microsoft Office (2013/365/2016)
Error InformationError Descripton
Error 0x800CCCOB Outlook Overview
0x800CCCOB Error Code Log
Avg. Time to Resolve Issue   50 mins
Difficulty Critical
Log Name: Microsoft Outlook <version> 4.60
Source: SSL Conflict
Event ID: 4604
Operating System
  • Windows 7
  • Windows 8
  • Windows 10
Level: Memory Level
User: <Outlook username>
Description:
  • Faulting Application Name: Microsoft Outlook <Application name>, version: 7.3.7758.56614, time stamp: 0×71768951
  • Faulting module name: Outlook  update.dll, version: 6.2.4571.37598
  • Exception code: 0xe05g265f
  • Fault offset: 0xc08g098c
  • Faulting process ID: 0×009
  • Faulting application start time: 0x19bgee1b46788323
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Outlook\<appname>
  • Report ID: f7d17d56-7848-26g5-9292-8213fdc2d719

Cause of 0x800CCCOB Outlook Error Code

  • Incompatible Internet proxy configuration
  • Junk files location is infected with active threat

Steps to resolve Outlook Error 0x800CCCOB

Step 1: Check if your network is behind Proxy

1. In Start Searchbox type CMD
2. Click on CMD.
Office Resolve Error Proxy Check 3. In command Prompt Copy following commands (Simply select the command and press ctrl+c and press ctrl+v in command prompt)

 netsh winhttp show proxy 

Check Proxy Setting

Note: You will need Administrator Access to Run the above command. Simply Right Click on CMD button and select “Run as Administrator

If you get the message “Direct Access (no proxy server)“, continue to the next step otherwise disable proxy from Network Settings.

 You can contact our 24×7 Live support for any help during the whole process. 

Step 2: Temporarily Disable Windows Firewall Setting

1. Hold Win Key + R. Run Dialogue Box will open up.
2. Type Firewall.cpl and Press OK.

3. Click on “Turn Windows Firewall On or Off
Turn Windows Firewall on or off4. In Private network Setting, select “Turn off Windows firewall (not recommended)
5. Do the same for Public Network Setting.
Disable Windows Firewall6. Press OK.
Note: After the issue is resolved you must turn the Windows Firewall on.

In most cases Outlook error 0x800CCCOB should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.

You can chat one-on-one with one of our Outlook Support Representative 24/7 by clicking on the Chat button.

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Last Updated: 14/01/2016
Solution ID: 349059

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    April 7th, 2016

    Posted In: Microsoft Outlook

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