Outlook emails receiving reported error 0x80040900 usually occurs when you have incorrect mail server name or port numbers in Outlook Account settings. Or Outlook is unable to communicate with email server due to internet problems You may experience when you receive or send an email message in Outlook Task email@example.com – Receiving’ reported error (0x80040900): ‘The server name you entered cannot be found on the network (it might be down temporarily). Verify that you are online and that the server name is correct.’ In this guide learn how to fix outlook emails receiving reported error 0x80040900.
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This issue may occur if one of the following scenarios is true:
- Your Outlook might be disconnected or not connected to Internet.
- Incorrect settings of Outlook mail account.
- Incomplete installation of Outlook
- Incorrect configuration of Antivirus or Firewall software
- When your Outlook user profile is damaged.
- Corrupt or damaged PST files
- If Outlook email item on your POP3 server is damaged.
- When Outlook is removed or installation of Outlook is damaged.
How to Fix Outlook emails Receiving Reported error 0x80040900
To resolve this issue, use one or more of the following methods. After you complete each method, send yourself a test email message to make sure that you can send and receive messages without receiving an error message. If you continue to receive errors, try the next method.
Quick Note: Before making any changes in your computer, I suggest you to create a System Restore point so that you can restore back your computer to previous working stat if something goes wrong.
Step 1: Make sure that you are connected to the Internet and able to telnet SMTP port number.
To do this, follow these steps:
- Start an Internet browser. Or ping the google.com; ping www.google.com. You should get reply as below if the computer is connected with Internet.
- Type one of the following addresses in the address bar, and then press Enter.
- Check for the proxy settings as well.
Step 2: Make sure that your Outlook email account settings are correct.
Incorrect email account settings can also cause the issues. We have listed some major Internet Service Providers settings (for manual configuration of Outlook)
- Click on the “Account Settings” under the “Tools” menu.
- Click on the “Email” and make a double click on the email address by which you are not able to send emails.
- Through double click other pop-up window will appear, now click on “More Settings buttons.
- Go to the Outgoing Server tab and select the “My outgoing server (SMTP) requires authentication” checkbox.
We recommend that you contact your Internet service provider (ISP) for information about the exact incoming and outgoing mail server names and settings that you should use when you configure your Internet email account in Outlook. The list provided here contains information only for some Internet service providers in the United States and may not be up to date.
Incoming Mail (POP3) server names and settings:
|Provider Name||Server Name||Port||SPA||SSL||AuthRequird|
|Qwest||pop.[enter state ID].qwest.net||110||OFF||OFF||OFF|
Outgoing Mail (SMTP) server names and settings:
|Provider Name||Server Name||Port||SPA||AuthRequired||Encryption|
|Qwest||pop.[enter state ID].qwest.net||25||OFF||OFF||None|
Step 3: Disable or uninstall anti-virus.
Check your antivirus manufacturer’s website for additional suggestions or Disable the antivirus software. And Disable the firewall in router. If you found outlook is working fine after disable the antivirus software, highly recommended to uninstall the same using their removal tool and reinstall it.
Follow below links to disable, uninstall or reinstall antivirus software from your computer
- How to temporarily disable any antivirus firewall
- Remove-reinstall Norton anti-virus using Norton removal tool
- Completely uninstall AVG products
- Disable Windows Defender in Windows 8/10
- Turn Windows Defender on or off in Windows 8
- Turn Windows Defender on or off in Windows 7
List of manual antivirus uninstallers:
- Click the link associated with the antivirus software currently installed on your system and follow the prompts or instructions on the website.
- Once uninstallation is complete, you will need to restart your computer.
- CA Antivirus
- Comodo Internet Security
- Cyber Defender Early Detection Center
- Dr. Web : (Only registered Dr.Web users can access support content)
- FRISK F-PROT Antivirus for Windows
- G Data
- K7 Total Security
- Microsoft Security Essentials
- Norman Virus Control/Norman Security Suite
- Norton (Symantec)
- Norton Security Scan
- Panda Cloud Internet Protection
- Pareto Logic
- Spybot Search & Destroy
- Total Defense Anti-Virus (formerly CA Anti-Virus)
- Trend Micro
- Trend Micro Titanium
- Trend Micro Worry-Free Business Security Agent
- Vipre (Sunbelt Software)
- Windows Defender
- Windows Live OneCare
- Windows Security Essentials
- Zone Alarm
Step 4: Create New Outlook Profile and Reconfigure email client.
- Go to Control panel, Click on Mail Option.
- Click Show Profiles
- Click Add
- Type a name for your profile.
- Outlook 2007 and above versions support “AutoDiscovery“. This will set up your email account automatically. Enter your name, email address and password and Outlook will try to set up the profile. If it does not work, proceed with “Manually configure server settings or additional server types” and continue.
Refer below links to create Outlook Profile and Mail Configuration.
- Create Microsoft Outlook Profile and Mail Configuration
- Add Mail Account in Windows Mail and Calendar App
Step 5: Run Inbox Repair Tool (Scanpst.exe)
Quick Note: you may need to run the scanpst.exe file several times (5-8). Keep doing this until it says that no errors were found in the file.
To run the Inbox Repair Tool, follow these steps:
- Make sure Outlook is closed.
- Make sure that the Show hidden files and folders option is enabled in your Folder options. The file scanpst.exe is a hidden file, so you need this setting to be enabled to locate it.To check this setting, follow these steps:
- Click Start, then Control panel.
- Double-click Folder options, and then switch to the View tab.
- Under Hidden files and folders, make sure the Show hidden files and folders option is selected, and then click Ok.
- Click Start, and then click Search.
- In the search box, type scanpst.exe. If you cannot find the scanpst.exe file using Search, try to locate the file manually. Check the following locations for the file (location depends on which version of Windows you are using):
64-bit Windows Vista, Windows 7, Windows 8 and Windows 10
- drive:\Program Files\Microsoft Office\OFFICE16
- drive:\Program Files\Microsoft Office\OFFICE15
- drive:\Program Files\Microsoft Office\OFFICE14
- drive:\Program Files\Microsoft Office\OFFICE12
32-bit Windows Vista, Windows 7, Windows 8 and Windows 10
- drive:\Program Files (x86)\Microsoft Office\Office16
- drive:\Program Files (x86)\Microsoft Office\Office15
- drive:\Program Files (x86)\Microsoft Office\Office14
- drive:\Program Files (x86)\Microsoft Office\Office12
- Double-click the scanpst.exe file to open the program.
- Click Browse to locate the corrupted .pst fileBy default the .pst files can be located in the following folders:
- drive:\Users\<username>\Documents\Outlook Files
- drive:\Users\<username>\My Documents\Outlook Files
- drive:\Documents and Settings\<username>\Local Settings\Application Data\Microsoft\Outlook.
- Click Start. The Inbox Repair Tool scans the file and reports whether it found any errors. Click Repair if any errors were found.
- Click OK.
Hope In this guide you learned how to fix outlook emails receiving reported error 0x80040900. And able to fix the issues. If not you need to contact your email providers or Internet service provider. Meanwhile ask your queries in comments or Forum.