Microsoft KB Archive/173644

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Microsoft Knowledge Base

"Error 645" When Attempting to Connect to MSN

Last reviewed: October 6, 1997
Article ID: Q173644

The information in this article applies to:

  • The Microsoft Network version 2.5

SYMPTOMS

When you attempt to connect to MSN, The Microsoft Network, you may receive the following error message:

   Error 645

CAUSE

This behavior can occur if Dial-Up Adapter components are damaged or missing.

RESOLUTION

Remove and reinstall the Dial-Up Adapter and Dial-Up Networking. To do so, use the following steps:

  1. Click Start, point to Settings, and then click Control Panel.
  2. Double-click Network.
  3. Click Dial-Up Adapter, and then click Remove.
  4. Click OK.
  5. When you are prompted to restart your computer, click No.
  6. Double-click Add/Remove Programs.
  7. On the Windows Setup tab, click Communications, and then click Details.
  8. Click the Dial-Up Networking check box to clear it.
  9. Click OK until you return to Windows.
  10. Close the Control Panel window.
  11. Restart the computer.
  12. Double-click The Microsoft Network.
  13. When the Connection Manager dialog box opens, click Yes, and then click OK. Follow the instructions on the screen. You may be prompted for your Windows disks or CD-ROM.
  14. When you are prompted to restart the computer, click Yes.

MORE INFORMATION

For more information about manually configuring the Transport Control Protocol/Internet Protocol (TCP/IP), see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID:  Q172552
   TITLE     :  How to Configure TCP/IP for The Microsoft Network

Additional query words: 2.50

Keywords : msnconnect kbenv kbnetwork
Version : WINDOWS:2.5
Platform : WINDOWS


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Last reviewed: October 6, 1997
©1997 Microsoft Corporation. All rights reserved. Legal Notices.