This section describes how to configure the OPC Client on Windows Server 2003.
To configure the OPC Client:
The Component Services dialog will appear.
This is needed for
OPCEnum.exe to function correctly, and for any
OPC Servers and clients that set their DCOM authentication level to
None in order to allow anonymous connections. If you don't use
OPCEnum.exe, you might not need to
enable remote access for anonymous users.
You need to then edit the launch and activation permissions.
In the Group or user names list, select Everyone then select every the check boxe in the Allow column.
Finally, you're ready to edit the default permissions for Access and Launch for each user (or group) that participates in OPC communication (for example, "OPC Users").
You have now configured your OPC Client.
Some older OPC Clients cannot locate
CitectSCADA OPC Server on a
client machine. If this is the case, copy the
ctopc.reg file located in the
bin directory to the client machine.
Double-click the file to add OPC Server-specific data to the
Note: Now you need to restart this machine so that your settings can take effect.