Administering Satellites Guide and Reference

Installation Authority on Windows NT

To fully use the satellite administration features, a user with local administrative authority should install DB2 Satellite Edition.

On Windows NT, DB2 Satellite Edition can be installed by a user with local administrative authority, or a local user without administrative authority. When a user with local administrative authority performs the install there are no installation restrictions; all components of DB2 Satellite Edition are available and DB2 Satellite Edition can be used by all system users.

When a local user without administration authority performs the installation, there are restrictions:

• The Control Server Synchronization component cannot be installed. This component installs the code required for synchronization. Without this support, the satellite cannot connect to the DB2 control server to report its status and receive administrative commands.
• Only the user who performed the installation will have DB2 Satellite Edition as part of their standard environment when they log on to Windows NT.
• When DB2 Satellite Edition is used as a client to access databases on other DB2 Universal Database host, or AS/400 machines, client authentication cannot be used. For more information on server authentication, refer to the Administration Guide.
• Services are not created for the DB2 instance and the DB2 Java applet server, but rather started as processes by adding them to the Windows registry run key.

As a result of this flexible installation ability, two installation scenarios arise:

• If a local user has installed DB2 Satellite Edition and then a user with local administrative authority installs an additional component of DB2 Satellite Edition or another DB2 product on the same machine, the administrator's installation replaces the installed DB2 Satellite Edition. The administrator's installation will remove all of the local user's services, shortcuts, and environment variables from the previous installation of DB2. The administrator's install will add its own shortcuts and environment variables.
• If a local machine user or a user with local administrative authority has installed DB2 Satellite Edition, and a second local machine user, without local administrative authority, attempts a DB2 product install on the same machine, the second user's install will fail. The second user will receive a message that they must be a local administrator to install the product.

  The second user's install would fail even for the addition of a DB2 Satellite Edition component.

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