| Features
of the ASU software include
- Windows NT Server Version 4.0 file, print,
security, and management services on a system
running the Tru64 UNIX Version 4.0F or higher
operating system software.
- Can participate in a Windows NT and Windows
2000 domain.
- Can be configured as a primary domain controller
(PDC), a backup domain controller (BDC), or
a member server.
- Can participate in a trust relationship.
- Can participate in a TruCluster environment.
- Provides two free client connections.
- Provides Year 2000 support.
- Supports international languages.
Sharing UNIX file systems
On a Tru64 UNIX system with ASU
software installed, you can make the following
mounted file systems available to Windows users
as disk shares:
- Advanced File System (AdvFS)
- UNIX File System (UFS)
- CD-ROM File System (CDFS), read only
- Network File System (NFS). The
ASU software automatically exports nonrestricted
network file systems as disk shares.
- Common Internet File System (CIFS)
ASU disk shares are based on Microsoft's
LAN Manager Extended Server Message Block (SMB)
protocols, which enable Windows users to connect
to them by using native Windows utilities, such
as the Windows Explorer. Once connected, the file
system that is associated with the disk share
appears as a transparent extension to a
user's local computing environment. For
example, using an application, such as Microsoft
Word, users can save files directly to the disk
share on the Tru64 UNIX server.
Other types of network users can
access files in ASU disk shares. For example,
a Windows user or a Tru64 UNIX interactive user
can access a text file stored in an ASU disk share.

Sharing Tru64 UNIX
printers
You can make printers hosted by
Tru64 UNIX servers on which the ASU software is
installed available to Windows users as printer
shares.
Users configure their Windows systems
to use ASU printer shares by using Windows utilities,
such as the Add Printer Wizard. The ASU software
stores supported printer drivers for Windows clients
in a disk share. The printer drivers are then
available for clients to automatically download.
Once configured, the printer that
is associated with the printer share appears as
a transparent extension to a user's local
computing environment. For example, using
an application, such as Microsoft Word, users
can print directly to the printer.

Network transport support
The ASU software provides and allows
for the use of the following networking transport
software:
- NetBIOS for TCP/IP, which is used over the
system's installed TCP/IP transport software
for local and wide area networking.
- NetBEUI transport, which is used exclusively
for local area networking.
The ASU software can participate
in a routed wide-area TCP/IP network when you
configure it to resolve computer NetBIOS names
and TCP/IP addresses by using any or all of the
following methods:
- Microsoft WINS Server. You can configure
the ASU software as a WINS client.
- Domain Name Server (DNS).
- An lmhosts file. You edit the lmhosts file
on each system to add an entry that includes
the NetBIOS name and TCP/IP address for each
system with which the system needs to communicate.
Installation and configuration
You install the ASU software by
using the Tru64 UNIX setld installation utility.
The ASU software is configured by
values assigned to value entries stored in a central
database, called the ASU registry, and by values
assigned to parameters in the lanman.ini configuration
file.
Registry value entries and lanman.ini
parameters are assigned default values, which
you can change.
See the Advanced Server Installation
and Administration guide for more information
about the ASU registry and the lanman.ini file.
Security
The ASU software provides flexible
security by supporting Windows NT exclusively,
or Windows NT combined with Tru64 UNIX network
security models.
When using Windows NT exclusive
security, only the Windows NT file share level
security (including support for NT local and global
groups) and NT ACL permissions on individual files
are checked. UNIX user account and file level
security are ignored.
When using combined security, users
have two accounts:
- A domain user account that you create.
This account is used to authenticate Windows
NT security.
- A Tru64 UNIX user account. This account is
used to authenticate Tru64 UNIX security. By
default, when you create a domain user account,
the ASU server automatically creates a Tru64
UNIX user account in the local /etc/passwd file
or network information service (NIS) if an account
with the same name does not exist. Alternatively,
you can configure the Tru64 UNIX operating system
software to direct authentication requests to
a Windows 2000 Server or to a Windows NT Server
Version 4.0. The Windows 2000 Server or Windows
NT Server Version 4.0 uses its user account
information to authenticate users on behalf
of the Tru64 UNIX system. This is useful if
you store user account information on a Windows
2000 Server or on a Windows NT Server Version
4.0 and you do not want to store user account
information on the Tru64 UNIX system.
The ASU software runs the netlogon
service, which eliminates the need for the user
to supply a password for each disk or print share
connection that they make within a domain.
Administration
You can administer the ASU software
from a Windows system by using the following Windows
graphical user interfaces (GUIs):
- User Manager for Domains to create and manage
domain user accounts and groups
- Server Manager to create and manage disk shares
- Event Viewer to view ASU events
You can administer the ASU software
from the system running the ASU software by using
the net commands. If the system is running
the Tru64 UNIX Version 5.0 or higher software,
you can also administer the ASU software by
using the default Tru64 UNIX Motif-based GUI tools
(such as dxaccounts, dxfileshare, or dxprint).
Tru64 UNIX TruCluster
Software support
By using ASU and Tru64 UNIX TruCluster
software products, you can create a network environment
that continuously provides ASU services such as
disk shares, print shares, and PDC services if
a system running the ASU server stops.
International language
support
You can configure the ASU software
to display disk and printer share names and ASU
user and group names in different languages.
For example, if Windows systems are running the
French edition of Windows, you can configure the
ASU software to display information in French.
The ASU software supports most of
the languages that the Tru64 UNIX operating system
software supports.
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