Outlook and Outlook express troubleshooting tips

At certain occasions you may receive various kinds of errors in your outlook or outlook express while sending or receiving mail. We have highlighted some common errors and provided the troubleshooting steps you need to follow to resolve them.


The server could not be found. (Account:account name, POPserver:'mail', Error Number:

Task 'server name - Sending and Receiving' reported error (0x800ccc0f): 'The connection to the server was interrupted. If this problem continues, contact the server administrator or Internet service provider (ISP). The server responded: ? K'

Your server has unexpectedly terminated the connection. Possible causes of this include server problems, network problems, or a long period of inactivity. Account. account name, Server: 'server name', Protocol: POP3, Server Response: '+OK', Port: 110, Secure(SSL): No, Error Number: 0x800ccc0f

Task 'SMTP server name - Sending and Receiving' reported error (0x80042109): 'Outlook is unable to connect to your outgoing (SMTP) e-mail server. If you continue to receive this message, contact the server administrator or Internet service provider (ISP).'

The operation timed out waiting for a response from the receiving (POP) server 0x8004210a A time-out occurred while communicating with the server 0x800ccc19

These error messages may occur if Microsoft Outlook or if Microsoft Outlook Express cannot establish a connection with your e-mail server. These error messages are frequently caused by one of the following:


The most common causes of these error messages are problems with Internet connectivity and incorrectly configured account settings in Outlook or Outlook Express. First, verify you are connected to the Internet. To do this, follow these steps:

Step 1: Verify that you are connected to the Internet

To verify Internet connectivity, follow these steps:

If you are unable to open then your internet connection is the culprit.
If the connectivity is ok then proceed to next step.

Step 2: Verify your account settings

To verify your e-mail account information and e-mail server settings are configured correctly in Outlook or Outlook Express by contacting your mail service provider.

Step 3: Verify your antivirus program

Disable the mail checking option from any of the antivirus program that you have that might block or slow down your send/receive operation. If you find that this is helping your cause then contact your antivirus vendor to solve the problem.

Step 4: Verify your firewall settings

It is quite possible that you have enabled any personal firewall in your computer. Please check the settings and also verify if disabling the firewall helps to solve your problem. It is possible that your personal firewall is blocking your connection. Also verify that the two below mentioned EXE files are allowed in your firewall.

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

If all of the above steps fails to solve your problem follow the below mentioned troubleshooting steps:

Method 1: Start Outlook in safe mode

To start Outlook in safe mode:

Windows Vista

Click Start, type outlook.exe /safe in the Start Search box, and then press Enter

Windows XP, Windows Server 2003, or Windows 2000

Method 2: Create a new e-mail profile( For outlook 2003 and 2007)

Note By default, both the Outlook Address Book and the personal folders (.pst) files are automatically added to each new e-mail profile, except for those e-mail profiles that are created in Microsoft Exchange Server. By default, .pst files are not added to each new e-mail profile in Exchange Server.

Follow these steps to configure Outlook 2007 and Outlook 2003 to start with a specific e-mail profile:

Method 3: Delete suspicious messages from your mailbox

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 e-mail.
Delete any suspicious e-mail by accessing your mailbox by using your ISP's Web-based e-mail program.

Method 5: Remove and then reinstall Outlook Express

Uninstalling Outlook Express 6.x

Reinstalling Outlook Express 6.x

Article ID: 68
Last updated: 28 Jul, 2018
Revision: 4
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