Article ID: 239789
Article Last Modified on 9/11/2007
APPLIES TO
- Microsoft Windows NT Server 4.0, Terminal Server Edition
- Microsoft Windows NT Workstation 4.0 Developer Edition
- Microsoft Windows NT Server 4.0 Standard Edition
- Microsoft Windows NT Server 4.0 Enterprise Edition
This article was previously published under Q239789
SYMPTOMS
When you run a program that uses the DdeAddData() function on a computer running Windows NT 4.0, you may receive an "Access Violation" error message.
CAUSE
This behavior can occur if one of the first two parameters passed to the DdeAddData() function is invalid (for example, null). The program attempts to use the invalid handle value because it does not detect that the handle value returned by the DdeAddData() function is invalid.
RESOLUTION
Windows NT Server or Workstation 4.0
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
- 152734how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
Windows NT Server 4.0, Terminal Server Edition
To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.
This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.
MORE INFORMATION
For additional information about the DdeAddData() function, please visit the following Microsoft Web site:
Additional query words: Win32 code
Keywords: kbbug kbfix kbprogramming KB239789
