DOCUMENT:Q158563 09-AUG-2001 [winnt] TITLE :Cannot Open HKEY_DYN_DATA Key with Regedit.exe PRODUCT :Microsoft Windows NT PROD/VER:4.0 OPER/SYS: KEYWORDS:kbtool ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 - Microsoft Windows NT Workstation version 4.0 ------------------------------------------------------------------------------- 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 : kbtool Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400 Version : 4.0 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.