Knowledge Base

OL97: Internal Authentication Error when Checking for New Mail

Article ID: 170649

Article Last Modified on 1/20/2007

APPLIES TO

This article was previously published under Q170649

SYMPTOMS

In Microsoft Outlook 97, when you check for new mail, you may receive the error message:

Internal Authentication Error

You are unable to connect to your mail server, and cannot send or receive mail.

This problem occurs under the following circumstances:

The mail service in the Windows Messaging profile, is set up to connect using a Dial-Up networking connection.

and

To resolve this problem, check to make sure you have a properly installed Dial-Up Adapter.

On the Windows Taskbar, click Start, point to Settings and then click Control Panel.
In the Control Panel, double-click System.
Click the Device Manager tab.
Click on the plus sign (+) next to Network adapters to expand the list of Network adapters.
If the Dial-Up Adapter is installed, you will see it in the list. To see if it is working properly, click to select Dial-Up Adapter and then click Properties. Check the Device status section to see if the Dial-Up Adapter is working properly. If it is not working properly you may need to reinstall the Dial-Up Adapter.

On the Windows Taskbar, click Start, point to Settings and then click Control Panel.
In the Control Panel, double-click Add New Hardware.
Click Next.
Click No and then click Next.
Click Network adapters and then click Next.
In the Manufacturers list, click Microsoft.
In the Models list, click Dial-Up Adapter.
Click OK.

Windows will prompt you for the files needed.

For more information on adding and removing Dial-up Networking components, please see the following article in the Microsoft Knowledge Base:

181599 How to Remove and Reinstall Dial-Up Networking and TCP/IP Files[win95x]

Keywords: kbhowto kbnetwork KB170649