Logon & Auth
and System Variables
variables are strings
that contain information such as drive, path, or file name.
Environment variables control the behavior of various programs. Any
user can add, modify, or remove a user environment variable.
However, only an administrator can add, modify, or remove a system
|Where to start..
Environment Variables in Windows NT/2000
Microsoft Knowledge Base Article: 100843 - Environment Variables in
Windows NT/2000. There are three levels of environment variables in
Windows NT; the system environment variables, the user environment
variables, and the environment variables that are set in the
AUTOEXEC.BAT file. There are also some predefined environment
variables that are set when the user logs on. This article discusses
the following topics: System environment variables, User environment
variables, AUTOEXEC.BAT environment variables, how environment
variables are set, how the path is built, and changing user
environment variables using control panel.
HOW TO: Create System Variables in Windows 2000
Microsoft Knowledge Base Article: 311843 - This step-by-step article
describes how to create system variables and how to view system
variable information in a Windows 2000 environment. A member of the
administrators group will complete all procedures.
NT Environment Variables
NT Environment Variables Environment variables
on an NT machine hold a wealth of useful information that
administrators can access to make logon scripts and other scripts
automate daily tasks. NT has two kinds of environment variables:
system and user. Examples of static user variables are path, TEMP, and
TMP. The HKEY_CURRENT_USER\Environment Registry key stores static user
variables. Source: Windows 2000 Magazine (June 1999)
How to Specify Additional Environment Space under Windows NT/2000
Microsoft Knowledge Base Article: 158141 - This article explains how
to specify additional space for environment variables. This can be
useful for systems with extremely long path statements in both the
system and the Autoexec.bat file.
How to Use %LOGONSERVER% to Distribute User Profiles
Microsoft Knowledge Base Article: 141714 - If you want to specify a domain server that validates a user logon, use the environment variable %LOGONSERVER% in a PATH statement. This article describes how you can use %LOGONSERVER%
to distribute user profiles.
%LOGONSERVER% Variable not Available After Logon Script
Microsoft Knowledge Base Article: 183495 - When a logon script is run, the LOGONSERVER environment variable is only available while the logon script runs. After the logon script finishes, the LOGONSERVER
environment variable is no longer available to other running
%HOMESHARE% Variables Are Resolved Incorrectly
Microsoft Knowledge Base Article: 236813 - You can use Microsoft
Distributed File System (DFS) to map drives directly to folders and
subfolders in a DFS share. If your home folder is on a DFS share,
the %HOMEDRIVE% variable is mapped only to the DFS root and not to
the complete path
%UserFirstName% and %UserLastName% Variables Are Not Resolved in Remote Installation Services Template
Microsoft Knowledge Base Article: 244964 - When a user logs on using the Client Installation Wizard (CIW), the %UserFirstName% and %UserLastName% variables may not be resolved in the Remote Installation Services (RIS) template file (*.sif) if either of the following conditions is
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