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# NetLogon Service Necessary for NetDDE Connections in a Domain

Article ID: 105195

Article Last Modified on 11/1/2006

APPLIES TO

- Microsoft Windows NT Advanced Server 3.1
- Microsoft Windows NT Workstation 3.1
- Microsoft Windows NT Advanced Server 3.1

This article was previously published under Q105195

## SYMPTOMS

On a domain, if the NetLogon service is not started and you try to use Chat or ClipBook Viewer to connect to a computer running Windows NT, you may be prompted for a password even if a password should not be necessary.

## RESOLUTION

To workaround the error messages and use NetDDE applications, verify that the NetLogon service is started on the Windows NT computer you are attempting to connect to.

## MORE INFORMATION

On a Windows NT computer, the following message appears:
You must supply a password to make this connection
Server: <Server Name>
DDE Share: <CLPBK$ OR CHAT$>
Connect As:
Password:
On a Windows for Workgroups or Windows 95 computer, the following message appears:
You must supply a password to make this connection:
Computer Name: <Server Name>
Application: <CLPBK$ OR CHAT$>
User Name:
Domain:
Password:
When you attempt to connect with ClipBook from a Windows NT computer, you will receive the following error message:
There is a problem with the connection to the other computer. Try reconnecting to the computer that contains the ClipBook page.
When you attempt to connect with ClipBook from a Windows for Workgroups computer, you will receive the following error message:
A connection could not be established to the specified computer.

Additional query words: wfw wfwg prodnt

Keywords: kbnetwork KB105195