NetDDE Trusted Shares Disappear After The User Logs Off

• Microsoft Windows NT Workstation version 3.51
• Microsoft Windows NT Server version 3.51

SYMPTOMS

The NetDDE trusted shares that you have created using a DDEShare application disappear after you log off.

CAUSE

The user profile for the current user is not saved when the user logs off. Therefore, the NetDDE trusted shares information is removed.

RESOLUTION

To resolve this problem, use one of the following methods:

• Upgrade to Windows NT Workstation and Server version 4.0
  
  -or-



• Edit the permissions on the DDE Trusted Shares registry subkey, by using the following steps:
  
  WARNING: Using Registry Editor incorrectly can cause serious, system- wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk.




1. Start Registry Editor (REGEDT32.EXE) and locate the following Registry subkey in the HKEY_CURRENT_USER subtree:
   
   
   \SOFTWARE\Microsoft\NetDDE\DDE Trusted Shares



2. From the Security menu, select Permissions.



3. In the Registry Key Permissions dialog box, remove the Delete access for the DDE Shares subkey.



4. Select the Replace Permission on Existing Subkeys check box.



5. Click OK and quit Registry Editor.

ARTICLE-ID: Q114089
TITLE : Using the Windows NT NetDDE Share Manager

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in Windows NT Workstation or Server version 4.0.

Additional query words: wonderware

Keywords : ntsecurity ntregistry NTSrvWkst
Version : 3.51
Platform : WINDOWS
Issue type :