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Installation in an NT Domain

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The purpose of installing InVircible to an NT server is to check and protect the server itself, and to distribute the software to workstations connected to the NT domain. .

The installation to an NT server and its setup should be performed by an administrator, on the server machine itself. Although possible, a remote installation to the NT server won't set InVircible to run properly.

Installation of the software on the domain server

The installation differs slightly depending on the source of the installation file(s).

Setting up InVircible on an NT server

Use the “Next” button to proceed through the setup procedure. Set the target directory on the server. If installing on an NTFS partition, then the “Tighten IV Directory” option will set the directory attributes to read-only. The IV distribution directory on the NT server should be shared.

Installing the registration templates

To complete the installation, copy your set of registration templates to the distribution directory. Owners of a site license should have three templates: User.txt, PwrUser.txt, and Admin.txt. The presence of the administrator template, Admin.txt, is required in the IV distribution directory, in order to set the distribution and configuration parameters, described next.

Setting InVircible's working configuration

The following procedure will set which components of InVircible will be distributed and installed to the clients workstations, as well as the settings of how InVircible will work on these workstations. The default settings were selected for optimal operation in most installations. Normally, there is no need to change these default settings.

• Edit “ivb.ini” on the server, in the distribution directory to add/remove files to be checked or skipped by IVB. See IV's online documentation how to do this.
• Edit “ivx.ini” on the server to add/remove files to be checked or skipped by IVX for macro viruses. See IV's online documentation how to do this.
• Edit “iv.ini” on the server to configure the desired options for the end-users (start IV.EXE from the distribution directory, then press Alt + K to set and save the parameters stored in IV.INI).
• Create a configuration profile for Win32 users (Windows 95/98 and NT workstations). This profile defines which components will be installed on end-user workstations, and sets their working configuration.

Proceed as follows:

• Start the “IV configuration utility” from the InVircible program group (Windows start menu).
• Determine the path and target directory for installing IV on the client's workstations. "C:\IV"  is recommended.
• Define if creating a program group is required on the workstation.
• Determine which components should be installed to workstations and their working configuration.
• Save the configuration (INI) profile in the distribution directory.

To prevent users from making modifications to the distribution InVircible files, the directory should have its attributes set to “Read-Only”. The directory should also be “shared” in order to let the programs execute on the client workstations. Proceed as follows:

• Go to the target directory (..\IVSRC, for example) with Windows' File Manager or Explorer.
• Select the Disk menu, for NT 3.51, or "Share as" for NT 4 (by right clicking the folder with the mouse, then select “properties”), and specify a share name (IVsrc, for example).
• Next, select “Permission”, check both “Read” and “Execute” for “Everyone” and “Full Control” for “Administrator”.
• Save the changes.

Preparing / modifying an NT logon script

The NT logon script is a batch file that is executed at logon time. The distribution of InVircible throughout a domain is controlled by that script. If a logon script already exists, then all you need doing is editing the existing batch file, to contain the following lines:

@ECHO OFF
NET USE  x:  \\Server_name\IVSRC
x:IVLOGIN  /FallBack /REG=reg_template   /DIR=C:\IV
NET  USE  x:  /DELETE
\\Server_name\IVSRC\IVWLOGIN.EXE   /ForceOpt  profile.ini

Script legend:

Save the NT logon batch-script in the default "netlogon" directory, described below:

NT_root\SYSTEM32\REPL\IMPORT\SCRIPTS

Where NT_root is the “\WinNTxx” directory, normally \WINNT3x under NT3,xx, and ..\WINNT4 under NT4.x.

Assign the logon script to the users' profile as follows:

• From NT's “Administrative tools” select “User manager for Domain”.
• Select all standard users from the list, then “properties”, and then “profile”.
• In the “Logon Script” box, enter the name of the new or modified batch, described above.

Initializing the IV Interceptor throughout an NT domain

The IV Interceptor is a key element of the InVircible package. Although being installed by default, the IV NT Interceptor requires initialization before it can be used by non-privileged users (administrators excluded) on their workstation. A special tool, IVIAdmin.exe, is provided for the purpose. To initialize all the NT workstations that are currently logged to the domain, an administrator should run: IVIADMIN <domain name>

IVIAdmin will search the domain for active NT workstations and initialize the Interceptor for local use. Since only active workstations will have IVI for NT initialized, it is recommended that an administrator runs IVIAdmin from time to time until all the workstation have been initialized.

Daily operation

If you did all the above correctly, then InVircible should now be set for automatic distribution and upgrading throughout the NT domain. As of now, any workstation that logs-on to the domain will first execute the logon script. InVircible will install itself just once to every workstation.

On subsequent logon, InVircible will compare the version number on the server and on the workstation. If they differ, the copy on the workstation will be upgraded to the same as on the server. All you need to do in order to keep InVircible up-to-date throughout the domain, or to renew a license, is to update the copy in the distribution directory on the server. The rest will be done automatically, in the course of daily work, simply by connecting to the domain.