Configure the Server Authentication Page

If networking is enabled, use this page to configure the server password. This password is used by computers to authenticate each other and create a trusted network between servers and, optionally, clients.

You can create a new password, or enter the password that is already used by other server computers in your Plant SCADA system.

If server processes do not have matching server passwords, they will not communicate with each other. Only trusted tran channels can handle remote requests initiated by MsgRPC or ServerRPC Cicode functions and CTAPI connections.

Configuring the password automatically sets the [Client]PartOfTrustedNetwork INI parameter.

Note: To configure the server password, you need to be a member of the Configuration Users security role. To read the server password you need to be a member of either the Configuration Users or the Server Users security role. You can be a member of these roles either directly or via an associated domain group (see Security Roles).

• If a server process exists and networking has been enabled:

  The Configure Server Password check box is selected and unavailable.

  Enter and confirm the password in the fields provided, before clicking Next.

  If the Password and Confirm Password fields already contain an entry, it means a server password has already been configured on the local computer. If required, you can enter a new password.

• If a client process exists and networking is enabled:

  The Configure Server Password check box is unchecked. To use the client computer as a CTAPI server, you need to configure the server password. Setting this password allows servers to authenticate each other and creates a trusted network between server computers.

  Select Configure Server Password check box to enable the password fields.

  Enter and confirm the password in the fields provided, before clicking Next.

If you change the server password while the runtime system is active, it will not disrupt any established connections as the password is only retrieved when authentication needs to occur. However, it is recommended that you apply the new password as soon as possible. To do this, you need to restart the runtime system.

If you are extending an existing system by adding computers that will run additional clusters and servers, you should determine what the existing server password is before you proceed. This will allow you to set the same server password on all existing and new servers.

See Also

Configure the Server User Page

Run the Setup Wizard