This document explains how to fix Microsoft Outlook error code 0x800408fc 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:
Error: 0x800408FC The server name you entered cannot be found on the
network (it might be down temporarily). Please verify that you are
online and that the server name is correct.

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 0x800408fc Outlook Overview
0x800408fc Error Code Log
Avg. Time to Resolve Issue   40 mins
Difficulty Very Hard
Log Name: Microsoft Outlook <version> 4.77
Source: Memory Fault
Event ID: 5974
Operating System
  • Windows 7
  • Windows 8
  • Windows 10
Level: Application Level
User: <Outlook username>
Description:
  • Faulting Application Name: Microsoft Outlook <Application name>, version: 8.9.3996.82447, time stamp: 0×54760689
  • Faulting module name: Outlook  event.dll, version: 8.7.5998.48835
  • Exception code: 0xc08b090a
  • Fault offset: 0xe01f028b
  • Faulting process ID: 0×129
  • Faulting application start time: 0x15fece1c55313512
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Outlook\<appname>
  • Report ID: c9b48c96-8657-48e2-4717-3911bea4a173

Cause of 0x800408fc Outlook Error Code

  • Slow ISP Connection
  • System Level Conflict

Steps to resolve Outlook Error Code 0x800408fc

Step 1: Disable Proxy

1. Press Win Key + R and Type “CMD” (without quotes)
2. Hit Enter key
Office Resolve Error Proxy Check 3. In command Prompt Copy following commands (Simply select the command and hold ctrl+c and press ctrl+v in command prompt)

 netsh winhttp import proxy source=ie 

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: Disable Windows Firewall Temporarily

1. In Start Search box type Firewall.cpl
Open Windows Firewall2. Click on Windows Firewall.
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 code 0x800408fc 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.

Rate this Solution
Did this article help you?
61   2      
Last Updated: 08/01/2016
Solution ID: 547788

  • Outlook 2016 not showing Emails Error Code – How to Fix Steps
  • 702 Outlook Error Code – How to Fix Steps
  • Outlook 2013 Crashing After Kb3114941 – How to Fix Steps
  • 0x80004005 Outlook Error Code – How to Fix Steps
  • Invalid XML, the view cannot be loaded in Outlook – How to Fix Steps
  • 0x8DE00001 Outlook Error Code – How to Fix Steps
  • 0x8004102A Outlook Error Code – How to Fix Steps
  • Outlook Is Sending Multiple Copies Of An Email – How to Fix Steps
  • 0x8004115 Outlook Error Code – How to Fix Steps
  • Outlook Cannot Connect To Outgoing Smtp Server – How to Fix Steps
  •  

    April 7th, 2016

    Posted In: Microsoft Outlook

    LiveZilla Live Chat Software