Error messages when you send and receive in Outlook and Outlook Express

You may also receive an error message that includes one or more of the following error codes:

• 0x800ccc15
• 0x80042108
• 0x800ccc0e
• 0x8004210b
• 0x800ccc0b
• 0x800ccc79
• 0x800ccc67
• 0x80040900
• 0x800ccc81

To make sure that you can connect to the Internet and that your mail server was not temporarily unavailable, follow these steps:

1. Start an Internet browser, such as Windows Internet Explorer.
2. Type one of the following addresses in the address bar, and then press Enter.
   • http://www.microsoft.com
   • http://www.msn.com
   • http://www.live.com
   If you continue to experience Internet connectivity problems, view the following article in the Microsoft Knowledge Base for more information about how to troubleshoot Internet connectivity problems:
   936211

   (http://support.microsoft.com/kb/936211/ )

   How to troubleshoot network connectivity problems in Internet Explorer
   If you successfully connected to the Internet, go to step 3.
3. Send yourself a test email message to make sure that you can send and receive email messages without receiving an error message.
4. If your test was successful, you are finished. If you still receive an error message, go to method 2 to make sure that your account settings are correct.

Follow these steps to create a new email profile in Outlook 2013, Outlook 2010, Outlook 2007, or Outlook 2003:

1. Click Start, and then click Run.
2. Copy and paste, or type the following command in the Open box, and then press Enter:
   control panel
   Note If you are using a 64-bit version of Windows, double-click View 32-bit Control Panel in Control Panel to display the Mail icon.
3. Open the Mail Setup dialog box:
   
   Windows 7
   • If Control Panel is in either Large icons or Small icons view, click Mail. The Mail Setup dialog box appears.
   • If Control Panel is in Category view, under View by, click to select either Large icons or Small icons, and then click Mail. The Mail Setup dialog box appears.
     
     
   Windows Vista or Windows XP
   • If Control Panel is in Classic view, double-click Mail. The Mail Setup dialog box appears.
   • If Control Panel is in Category view, under Control Panel, click Switch to Classic View for Windows XP, or click Classic View for Windows Vista, and then double-click Mail. The Mail Setup dialog box appears.
     
4. In the Mail Setup dialog box, click Show Profiles.
   
   
5. On the General tab, under When starting Microsoft Office Outlook, use this profile, click Prompt for a profile to be used, and then click Add.
   
   
6. In the Profile Name box, type the name that you want to use for the new email profile, and then click OK.
7. In the E-mail Accounts dialog box, click Add a new e-mail account, and then click Next.
8. Click the appropriate server type for your new email account, and then click Next.
9. Type your account information in the required boxes, and then click Next.
10. Click Finish, and then click OK.
    Note By default, both the Outlook Address Book and the personal folders (.pst) files are automatically added to each new email profile, except for those email profiles that are created in Microsoft Exchange Server. By default, .pst files are not added to each new email profile in Exchange Server.

For information about what settings should be checked in Outlook, view the following article in the Microsoft Knowledge Base: For information about what settings to use in Outlook Express 6.0, view the following article in the Microsoft Knowledge Base: If this method worked for you, you are finished. If this method did not work for you, and you are comfortable performing advanced troubleshooting techniques, go to the "Advanced troubleshooting" section. If you are not comfortable with advanced troubleshooting, you can go to the "Next Steps" section for additional resources that might be able to help.

To start Outlook in safe mode:

Windows Vista or Windows 7

1. Click Start.
2. Type outlook.exe /safe in the Search box.
3. Press Enter.

Windows XP, Windows Server 2003, or Windows 2000

1. Click Start.
2. Click Run.
3. Type outlook.exe /safe.
4. Click OK.

Starting Outlook in safe mode starts Outlook without add-ins, the preview pane, or toolbar customizations and could indicate a damaged profile or conflicting third-party application or add-in. See method 2 to create a new email profile. To obtain help in identifying a conflicting application or add-in, contact Microsoft Customer Support at:

You may be able to resolve these problems by creating a new email profile. For more information about how to create profiles in Outlook, click the following article numbers to view the articles in the Microsoft Knowledge Base:

If there is a damaged message in your mailbox, you can resolve this by doing one of the following:

• Contact your ISP and ask them to delete any suspicious email messages.
• Delete any suspicious email messages by accessing your mailbox by using your ISP's web-based email program.

If your antivirus solution includes an email scanning feature, you may have to perform additional configuration tasks to use Outlook or Outlook Express with the antivirus email scanning feature.

Antivirus software that has caused this problem includes products by the following manufacturers:

• Symantec (Norton)
• McAfee
• Trend Micro (PC-cillin)
• Panda

For more information, visit one of the following websites for your antivirus software:

Symantec: For more information about how to use Office programs with the Norton AntiVirus Office plug-in:
McAfee: Trend Micro: Panda: Note Antivirus software helps protect your computer from viruses. You must not download or open files from sources that you do not trust, visit websites that you do not trust, or open email attachments when your antivirus software is disabled. For more information about computer viruses, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

If Outlook Express was removed from your computer or the installation of Outlook Express is damaged, Outlook will not function correctly and may generate one of the error messages that is mentioned in the "Symptoms" section. To resolve this problem, repair Outlook Express. For more information, click the following article numbers to view the articles: For more information explaining why Outlook Express is required to use Outlook, click the following article number to view the article in the Microsoft Knowledge Base:

If one SMTP address in a distribution list is corrupted or incorrectly formed, error 0x8004210b can occur. Examine all addresses in the distribution list to verify that they are correct. Additionally, you can send individual test messages to each distribution list member to determine the bad address.

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.

Important These steps may increase your security risk. These steps may also make the computer or the network more vulnerable to attack by malicious users or by malicious software such as viruses. We recommend the process that this article describes to enable programs to operate as they are designed to or to implement specific program capabilities. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this process in your particular environment. If you decide to implement this process, take any appropriate additional steps to help protect the system. We recommend that you use this process only if you really require this process.

Configure your firewall software to grant access to the Internet for the following files:

• For Outlook Express: Msimn.exe
• For Outlook: Outlook.exe

By default, most email clients have outgoing access on port 25 and incoming access on port 110. For more information about the ports that communicate with your email server, contact your ISP or system administrator.

Firewall software that has caused this problem includes products by the following manufacturers:

• McAfee
• Symantec
• ZoneLabs
• Cisco
• Sygate
• Sonicwall
• Freedom Security Zero Knowledge

McAfee Personal Firewall

Check your configuration settings in the McAfee Personal Firewall program and make sure that Microsoft Outlook or Microsoft Outlook Express has full access.

For more information about how to configure McAfee Personal Firewall, go to the following McAfee website: Or, you can remove and reinstall the McAfee Personal Firewall program. The reinstallation process recreates the program signature file that is used by the firewall. Additionally, this process makes sure that both Outlook and Outlook Express are included in the list of programs where Internet access is permitted.

Norton Personal Firewall (Symantec)

If you are running Norton Personal Firewall 2002, Norton Internet Security, or Norton SystemWorks software by Symantec, contact Symantec product support for upgrade or reconfiguration instruction to resolve your problem.

For more information about how to contact Symantec, go to the following Symantec website:

1. Start Outlook.
2. On the Files menu, click Info.
3. Click Account Settings, and then select Account Settings from the list.
4. Click to select the target POP3 account, and then click Change.
5. Click More Settings.
6. Click the Advanced tab.
7. Gradually increase the server time-out setting until the issue is resolved.

1. Start Outlook.
2. On the Tools menu, click Account Settings.
3. Click to select the target POP3 account, and then click Change.
4. Click More Settings.
5. Click the Advanced tab.
6. Gradually increase the server time-out setting until the issue is resolved.

1. Start Outlook.
2. On the Tools menu, click E-mail Accounts.
3. Click View or change existing e-mail accounts, and then click Next.
4. Click your POP3 account, and then click Change.
5. Click More Settings.
6. Click the Advanced tab.
7. Gradually increase the server time-out setting until the issue is resolved.

1. Start Outlook.
2. On the Tools menu, click Services.
3. On the Services tab, click Internet E-mail, and then click Properties.
4. Click the Advanced tab.
5. Gradually increase the server time-out setting until the problem is resolved.

1. Start Outlook.
2. On the Tools menu, click Accounts.
3. Select the target account, and then click Properties.
4. Click the Advanced tab.
5. Gradually increase the server time-out setting until the problem is resolved.

1. Start Outlook Express.
2. On the Tools menu, click Accounts.
3. Click the Mail tab.
4. Click your POP3 account, and then click Properties.
5. Click the Advanced tab.
6. Gradually increase the server time-out setting until the problem is resolved.