Easy Solutions to Fix Outlook 0x800408fc Error

Summary: Outlook 0x800408fc is a common error in many of the Outlook versions when trying to send or receive emails. This can be due to many factors, including your incorrect mail server in the settings. This article provides a detailed guide on error 0x800408fc, from the cause to solutions when you encounter the error. So, go through this article to learn more.

Content Table:

What is Outlook 0x800408fc error?

The Outlook 0x800408fc error, when trying to send or receive emails, a message show as “The Server Name You Entered Cannot be Found on The Network.” This can be due to many reasons; some of the common ones are,

  • Incorrect server name: The server’s name given in Outlook might be incorrect, or there may be a mistake in the name.
  • Network connection problems: The network connection issues prevent Outlook from connecting to the mail server.
  • DNS issues: The DNS server may be unable to resolve the server’s name to an IP address.
  • Firewall or antivirus software: The software might be blocking the connection to the mail server.

How Repair Outlook 0x800408fc Error?

We now learned about the common reasons for the error Outlook 0x800408fc; the next step in troubleshooting the issue is to repair Outlook 0x800408fc. We have tested some of the solutions when you see the server name you entered cannot be found on the network in Outlook. Go through them and follow the steps.

Method 1: Check Internet Connection

The Outlook 0x800408fc is a connectivity issue, so the first step of troubleshooting a connection issue is to check the internet connection. Most of the connectivity issues arise when you lose the internet connection. If your internet shows Not Connected or No Connection Available, this means you are facing internet connection issues.

Method 2: Disable TCP/IPv6 Protocol

If the internet connection is good, then TCP/IPv6 protocol is causing the issue. The TCP/IPv6 is a protocol used to communicate between devices in a network. So, follow the steps below to disable TCP/IPv6 protocol,

WiFi Properties - IPV6

  • Press Window + R keys to open the Run dialogue box.
  • In the dialogue box type ncpa.cpl and press Enter.
  • Right-click on the active network adapter and click on Properties.
  • In the properties window remove the Tick mark from Internet Protocol Version 6 (TCP/IPv6).
  • Now click on OK, and verify the issue is solved.

Method 3: Reconfigure Account Credentials

Now that we have ruled out internet connection issues. The next method is to solve the Outlook settings. First, we need to check the account settings, such as the incorrect server name. Follow the steps below to reconfigure your account credentials,

  • Open Control Panel by searching on the Search bar.
  • Select Mail from the Control Panel.
  • Select Email Accounts from Mail Setup – Outlook.

Mail Setup - Outlook

  • In the Account Settings window, select the email account and click on Change.

Account Settings - Email Accounts

  • Check the details shown in the Change Account window and make the necessary changes.

Method 4: Change Server Settings

If you are still facing issues, then it is time to change the server settings. Now we need to make the necessary server settings changes. Follow the steps below to do this,

  • Follow the above steps and reach Change Account

Change Account Settings

  • Now click on More Settings to open Internet Email Settings
  • In the Outgoing Server tab, add a tick to the My outgoing server (SMTP) requires authentication check box.

Internet Email Settings

  • Now click on the Advanced tab, and check the following details:
    • Incoming Server (POP3) port: 995 or 993
    • Outgoing Server (SMTP) port: 465

Internet Email Settings - Server Post Settings

  • Click Ok and restart the Outlook application.

Method 5: Ping Mail Server

Now the last connection troubleshooting method is to Ping the mail server. By Pinging a server, you could check if the server is reachable or not. Follow the steps below,

Ping Mail Server in Command Prompt

  • Open Command Prompt by typing CMD in the search bar and select Run as administrator.
  • Type ping domain.com and press Enter.

Note: You must change the mail.domain.com with the name of your mail server.

If the server is working properly then you will get no error. But if there are issues it will show a timeout or could not find the host.

Method 6: Use Outlook in Safe Mode

If you still face issues after completing all the troubleshooting methods, then you should open Outlook in Safe mode. Safe mode opens the application with default settings. Open Safe mode in Outlook with the below steps,

  • Press Window + R keys to open the Run dialogue box.
  • Type exe /safe and press Enter.

Run box - Outlook in Safe Mode

  • Select the profile and click on Ok.

Select Profile to Load Outlook in Safe Mode

If there are any PST file errors, it will notify you immediately.

How to Repair Corrupted PST File?

Now we have tried all the solutions to solve error 0x800408fc in Outlook and reach the conclusion of PST file corruption. A corrupted PST file could cause many issues in Outlook, including a 0x800408fc error. You can use one of the two methods to repair a corrupt PST file.

1. Use ScanPST Tool

ScanPST is a built-in tool to repair issues with Outlook data files – PST or OST. You can find scanpst.exe in the below locations,

  1. Outlook 2019: C:\Program Files (x86)\Microsoft Office\root\Office16
  2. Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16
  3. Outlook 2013: C:\Program Files (x86)\Microsoft Office\Office15
  4. Outlook 2010: C:\Program Files (x86)\Microsoft Office\Office14
  5. Outlook 2007: C:\Program Files (x86)\Microsoft Office\Office12

Note: If you use a 64-bit version of Windows, then the ScanPST.exe tool will be in the Program Files folder instead of the Program Files (x86) folder.

ScanPST tool Window

  • Open the ScanPST tool by double-clicking on the .exe file.
  • In the Enter the name of the file you want to scan field, enter the required file details.

Note: You can click on the Browse button to locate the file as well.

  • Click on the Start
  • If any errors are found, click on the Repair

Once the repair is complete, open Outlook and check if the issue has been resolved.

2. Use SFWare PST Repair tool

If you want to use a professional repair tool then we recommend the SFWare PST Repair tool, a purpose build tool to deal with tons of Outlook data file issues. Download and install the tool then launch the tool and follow the steps below to repair corrupt PST files.

Free Download for Windows

  • Select the Open PST option from the main screen.

SFWare PST Repair Tool - Main Screen

  • Give the corrupted PST file path and click Next.

SFWare PST Repair Tool - Select Corrupt PST File

  • In the next screen, select one of the scanning methods –
    • Normal Scan – For a low level of corruption.
    • Smart Scan – When the Normal Scan is not enough.
  • Now give the location to save the repaired Outlook data file.
  • Click on the Repair button to begin the repair process.

SFWare PST Repair Tool - Select Scan Method and Repair

Note: When the repair process is complete, you can preview the repaired Outlook data file to ensure that all data has been successfully restored.

  • Save the repaired Outlook data file to the desired location.


You may see the message “The server name you entered cannot be found on the network” in Outlook when you are trying to send or receive mail. This is mostly due to a connectivity error 0x800408fc. We have discussed the error in this article and provided some solutions. If you find them useful let us know.

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