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How to: Use a Script to Change Registry Permissions from the Command Line

This article was previously published under Q245031
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SUMMARY
This article describes how to use a script to change permissions defined in a registry key from a command prompt by using the Regini.exe utility included with Microsoft Windows NT Server 4.0 Resource Kit. The Resource Kit is a separate product that can be purchased from Microsoft.
MORE INFORMATION
CAUTION: When you use a script to change registry permissions, you replace the entire set of current permissions defined in a registry key. For example, if you have four types of users whose permissions are defined in a particular registry key, and you create and run a script file that changes the permissions for only three of the four types of users, the information about the fourth type is deleted.

To use a script to change permissions defined in a registry key from a command prompt:

  1. Install the latest version of the Windows NT Server 4.0 Resource Kit.
  2. Create a script file that contains the change commands:
    1. Start any text editor (such as Notepad).
    2. Type the registry keys and the appropriate permissions in the following format
      \Registry\hive\key [permissions]
      where hive is the name of the registry hive, key is the name of the registry key, and [permissions] is the binary number format of the permissions.

      For example, to modify the HKEY_LOCAL_MACHINE\Software registry key to give the Administrators group and the Creator/Owner group Full Control permission and the Everyone group Read permission, type the following string:
      \Registry\Machine\Software [1 5 8]
      NOTE: You must type the permissions in the binary number format. You must also refer to the registry hive in the predefined format. For more information about how to refer to a registry hive in a script file and about the binary numbers for various types of permissions, refer to the 'Reference to Registry Hives and Binary Number Representation for Permissions' section in this article.
    3. Save and then close the script file.
  3. Type the following command at a command prompt, and then press ENTER
    REGINI [-m \\computername] scriptname
    where computername is the name of the computer and scriptname is the name of the script file you just created.

    NOTE: Use the -m option only when you edit the registry of a remote computer. Be sure to include the entire path to the script file.
Reference to Registry Hives and Binary Number Representation for Permissions

Refer to registry hives as indicated below:
  HKEY_LOCAL_MACHINE - \Registry\Machine  HKEY_USERS - \Registry\Users  HKEY_CURRENT_USER - \Registry\User\User_SID (where User_SID is the current user's security identifier)				
Permissions and their binary number representations are as follows:
Administrator Full 1Administrator R 2Administrator RW 3Administrator RWD 4Creator Full 5Creator RW 6World Full 7World R 8World RW 9World RWD 10Power Users Full 11Power Users RW 12Power Users RWD 13System Op Full 14System Op RW 15System Op RWD 16System Full 17System RW 18System R 19Administrator RWX 20				
You can use the Regdmp utility, also included with the Resource Kit, to obtain the current permissions of a registry key in the binary number format.
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Article ID: 245031 - Last Review: 12/05/2015 17:18:16 - Revision: 1.1

Microsoft Windows NT Server 4.0 Standard Edition

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