Outlook won't Connect to Outgoing Server

Last reviewed on January 10, 2013   —  No comments yet

When Outlook won't connect to the outgoing server, it's usually because the firewall is blocking Outlook. This can happen with any firewall and seems to be most common after an update is installed. This is often because the Firewall is checking the Outlook version, not just for Outlook.exe.

Task 'alias@domain.com - Receiving' reported error (0x80042108) : 'Outlook cannot connect to your incoming (POP3) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).'

Windows 7 or Windows 8

If you are using windows 7 or Windows 8 default firewall, you should be asked if you want to allow Outlook access the first time you run it. You can check your settings by going to Control panel and searching for Firewall. (Firewall is under System and Security Category.)

Click the link on the left of the firewall panel to allow apps through the firewall.

Find Outlook in the list of applications and verify that is it checked to allow access. If you use a desktop computer, you generally only need to allow it on private networks, but laptops will need both private and public networks enabled.

Allow Outlook through the firewall

Allow app and features through firewall

About Diane Poremsky

Diane Poremsky
A Microsoft Outlook Most Valuable Professional (MVP) since 1999, Diane is the author of several books, including Outlook 2013 Absolute Beginners Book. She also created video training CDs and online training classes for Microsoft Outlook. You can find her helping people online in Outlook Forums as well as in the Microsoft Answers and TechNet forums.

Please post long or more complicated questions at Outlook forums by Slipstick.com.

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