18 DCOM Settings with the dcomcnfg System Program

Note

In Windows XP + SP2, the “Default COM Security” tab has been renamed to ”COM Security”.

Note

If you lower the security settings, the system must be restarted to activate the changes.

Notice

The settings listed in this description guarantee simple installation and startup of the DCOM protocol. Some of the security settings of the operating system are reduced. To meet stricter security requirements, you must increase the settings according to the DCOM guidelines.

18.2”Default Properties” Tab

Description of the Settings

In the “Default Properties” tab, you specify basic properties of DCOM.

Operation on a Domain Server or in a Workgroup

The settings made in the DCOM configuration depending on whether the computer with the OPC Server is logged on in a domain or is operated within a workgroup.

If it operates within a domain, the server computer can check the configured rights of other accounts over the network (authentication). The is only possible when the accounts of the user are registered with this domain.

Operation in domain should be considered the ideal solution.

Commissioning PC Stations - Manual and Quick Start

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Siemens C79000-G8976-C156-07 quick start Default Properties Tab, Description of the Settings