Error 645
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"Error 645" When You Attempt to Connect

SYMPTOMS

When you attempt to connect , 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.


wscomm.gif (28105 bytes)

7. On the Windows Setup tab, click Communications, and then click Details.


wscomm2.gif (23095 bytes)

8. Click the Dial-Up Networking check box to clear it.

9. Click OK until you return to Windows.

10. Close Control Panel, and then restart the computer.

if your ISP is NOT MSN then scroll to the bottom

If your ISP is MSN then do the following

Information on NON-MSN ISPs:

  1. click on START, then Settings, then CONTROL PANEL
  2.  
  4.  
  5. in the control panel, Double click on NETWORK then click ADD then select Adapters then ADD
  6. addda1.gif (12303 bytes)
  7. Under MANUFACTURERS scroll down to and select MICROSOFT then under adapters  select DIALUP ADAPTER and click OK
  9. Under CONFIGURATIONS check to see if TCP/IP is listed if it is then click ok at the bottom.  YOU MAY BE ASKED TO INSERT YOUR WINDOWS CD-ROM OR FLOPPYS
  10. IF TCP/IP IS NOT IN THE THE CONFIGURATIONS LIST THEN CLICK ADD THEN SELECT PROTOCOL then click Add
  11. addpr1.gif (11883 bytes)
  12. Under MANUFACTURERS scroll down to and select MICROSOFT then under protocol  select TCP/IP and click OK
  13. addpr2.gif (19426 bytes)
  14. then click ok at the bottom of the window, YOU MAY BE ASKED TO INSERT YOUR WINDOWS CD-ROM OR FLOPPYS
  15. click 'NO' to RESTART COMPUTER
  16. double click on ADD/REMOVE Programs
  18. On the windows setup tab double click on communications
  20. place check mark on DIALUP NETWORKING
  22. THEN CLICK OK ALL the way back to control panel
  23. close control panel
  24. restart computer

MORE INFORMATION

For more information about manually configuring the Transport Control
Protocol/Internet Protocol (TCP/IP), contact your ISP for the exact settings in TCP/IP

This page LAST UPDATED:Thursday, 08. November 2007 18:20:56 -0600

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