Microsoft KB Archive/158563

= Cannot Open HKEY_DYN_DATA Key with Regedit.exe =

Article ID: 158563

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q158563



SYMPTOMS
When you are using Regedit.exe, clicking the HKEY_DYN_DATA key yields the following error message:

Cannot open HKEY_DYN_DATA: Error while opening key.



CAUSE
You are using the Windows 95 version of Registry Editor.

Note that this key is not currently used in Windows NT.



RESOLUTION
Use Regedt32.exe instead of Regedit.exe when searching is not required.



MORE INFORMATION
Windows NT Setup installs two versions of Registry Editor. Regedt32.exe is the Windows NT version of Registry Editor; Regedit.exe is either the Windows 3.x or Windows 95 version.

The Windows 95 version of Registry Editor contains all the features and limitations of the Windows NT version. It is primarily included in Windows NT 4.0 for its ability to search for keys and values. You can use the Windows 95 version to make changes in the Windows NT 4.0 registry, but not all functions and types are available.

You should use Regedit.exe only for its search capabilities. Use Regedt32.exe to edit the registry.

For more information about the registry editors included with Windows NT 4.0, please see the NT 4.0 Readme.wri file.

Additional query words: prodnt

Keywords: KB158563

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