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32 Siemens Simatic S7 Driver Online Help

See Also

Feature: Remote Control and Configuration | Setting Up the SI7 I/O Server

Connection

Setting up Security When the Driver Runs as a

Service

To set up security for the SI7 driver, you must configure DCOM (Distributed

Component Object Model). Configuring DCOM can be difficult. To simplify the

process, we recommend that you grant access to everyone to get started. Later, when

security is configured correctly, you can reconfigure DCOM and restrict access.

To allow only the local user to launch the I/O Server

[1] Follow steps 1 and 2 in the previous procedure.

[2] Select the Use Custom Launch Permissions option and click the Edit button for launch

permissions.

[3] If INTERACTIVE and SYSTEM appear in the list on the Registry Value Permissions

dialog box, proceed to step 7.

If INTERACTIVE or SYSTEM is not in the list, click Add.

[4] Select the local computer name in the List Names From field.

[5] Double-click INTERACTIVE or SYSTEM in the Names list box to add it to the Add

Names list at the bottom of the dialog box.

[6] Click OK to accept the selection and close the dialog box.

[7] Select INTERACTIVE from the Name list box and Allow Access from the Type of

Access field to allow launch access to the local user only. Repeat this step for SYSTEM

as well. For the other entries in the Name list, select Deny Launch from the Type of

Access field to deny launch access on the network.

After completing these steps, only users who have Administrator rights to the driver server

host computer can access the server. You can assign administrator rights with the User

Manager (Windows NT) or the User and Passwords applet in Control Panel (Windows 2000).

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Siemens SIMATIC NET Spezifikationen Seite 42