Microsoft KB Archive/170649

= OL97: Internal Authentication Error when Checking for New Mail =

Article ID: 170649

Article Last Modified on 1/20/2007

-

APPLIES TO


 * Microsoft Outlook 97 Standard Edition

-



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.



CAUSE
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
 * Your Dial-Up Adapter is not installed or is damaged.



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

How to Check the Dial-Up Adapter

 * 1) On the Windows Taskbar, click Start, point to Settings and then click Control Panel.
 * 2) In the Control Panel, double-click System.
 * 3) Click the Device Manager tab.
 * 4) Click on the plus sign (+) next to Network adapters to expand the list of Network adapters.
 * 5) 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.

How to Install the Dial-Up Adapter

 * 1) On the Windows Taskbar, click Start, point to Settings and then click Control Panel.
 * 2) In the Control Panel, double-click Add New Hardware.
 * 3) Click Next.
 * 4) Click No and then click Next.
 * 5) Click Network adapters and then click Next.
 * 6) In the Manufacturers list, click Microsoft.
 * 7) In the Models list, click Dial-Up Adapter.
 * 8) Click OK.

Windows will prompt you for the files needed.

