Workgroup

For proper DCOM security settings it is essential to identify the configuration of the Client and the Server machine. If both machines are members of the same workgroup there will be no central point for user authentification. This means that every single machine must have all information on all users that should be able to remote access this node (local identification). The administrative effort will increase imensely when adding new users.

• Workgroup
  The Client and Server Machine should be member of the same Workgroup.
• Users Accounts
  As authentification is performed locally on every single machine, the User Accounts (Name and PWD) should be identical on the Client and the Server Machine.
• Operation System
  The Operation System on the Client and the Server Machine should be from the same family (all NT, all 2K or all XP). When doing "mixed configuration" certain (OS specific) settings have to be taken into account.

To keep configuration simple it is assumed that two machines have the same operating system installed, are both in the same Workgroup and have the same user accounts (same person/PWD actually logged on). On the Server Machine an OPC Server is located and on the Client Machine an OPC Client was installed.