Microsoft Windows NT 4.0 Guide Instrukcja Użytkownika Pobierz pdf (Strona 8)

Application Compatibility Scripts for Windows NT Server, Terminal Server Edition 4

Applications keep configuration information in a system database called the registry.

The two most important sections of the registry are called

HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER.

Information that pertains to the entire system should be stored in

HKEY_LOCAL_MACHINE. An application might store the following information in

this section:

♦ The components of an application that were installed.

♦ The path used to load application components.

♦ In certain circumstances, the path to a shared database. For example, a Point

of Sale application where all users reference the same database could put that

path in HKEY_LOCAL_MACHINE.

Applications store user specific information in the HKEY_CURRENT_USER section.

This section is part of the user profile. When a user logs on, his profile is loaded

into the system’s registry and it becomes HKEY_CURRENT_USER. When the user

logs off, any changes to HKEY_CURRENT_USER are written back to his user

profile. Applications might store the following types of information in

HKEY_CURRENT_USER:

♦ Paths to custom dictionaries, mailboxes, configuration files, and temporary

directories. Per-user paths are particularly important for multi-user operation.

♦ Settings which are per-user preferences. For instance, some users might want

to enable background spell checking while others may want to disable it.

Per User Data in HKEY_LOCAL_MACHINE:

An application may put per-user data into HKEY_LOCAL_MACHINE instead of

HKEY_CURRENT_USER. For example, an application may store the path to a

mailbox in HKEY_LOCAL_MACHINE. This would cause all users to share the

same mailbox, which probably isn’t the desired result. The application should use

HKEY_CURRENT_USER for per-user paths.

Resolution:

The most common problem deals with paths. By mapping each user’s home

directory to a drive letter, a common path can be specified which still maps to

individual files for each user. This technique will be discussed in more detail in the

Setting up Users sections on p. 14.

Other types of HKEY_LOCAL_MACHINE issues typically can’t be corrected. For

example, if the application stores color preferences in HKEY_LOCAL_MACHINE,

then users won’t be able to specify custom color preferences.

HKEY_CURRENT_USER information setup for single user only:

REGISTRY SETTINGS

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Microsoft Windows NT 4.0 Guide Instrukcja Użytkownika Strona 8