Microsoft KB Archive/189114

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{| The information in this article applies to:
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 * Microsoft Windows NT Workstation version 4.0
 * Microsoft Windows NT Server version 4.0
 * Microsoft Windows NT Server, Enterprise Edition version 4.0

SYMPTOMS
NetDDE refuses incoming WM_DDE_INITIATEs with failure code "RIACK_NEED_PASSWORD" even though the security data (for example, the encrypted password, username, and domainname) is valid. This only happen when Windows 95 is initiating the connection.

CAUSE
Logon validation is failing.

RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT version 4.0. For more information, please see the following article in the Microsoft Knowledge Base.

ARTICLE-ID: Q152734 TITLE    : How To Obtain the Latest Windows NT 4.0 Service Pack

STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.
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Last reviewed: October 19, 1998

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