Microsoft KB Archive/180128

= OL98: Internal Authentication Error when Checking for New Mail =

Article ID: 180128

Article Last Modified on 8/4/1999

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APPLIES TO


 * Microsoft Outlook 98 Standard Edition

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This article was previously published under Q180128





SYMPTOMS
In Microsoft Outlook 98, 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.

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 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.

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 and click Next.
 * 3) Click No and then click Next.
 * 4) Click Network adapters and then click Next.
 * 5) In the Manufacturers list, click Microsoft and in the Models list, click Dial-Up Adapter.
 * 6) Click OK.

Windows will prompt you for the CD-ROM and for the files needed.

