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Entry type: FAQ Entry ID: 94735748, Entry date: 07/02/2014
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Which settings must you make to use automatic SIMATIC powerrate Reports in the WinCC Service operating mode?

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Description
If you want to operate a WinCC project in the "Service" operating mode, we generally recommend opening the SIMATIC powerrate Reports on a second computer. If this is not possible, you must change the DCOM settings as described in the instructions below to enable setting of the automatic SIMATIC powerrate Reports.


Fig. 01

Instructions
Note that all settings must be made with administrator privileges. In addition, you should make a backup of your project or an image of the computer concerned.

  1. Open the DCOM configuration via Start > All Programs > Accessories > Run > dcomcnfg.


    Fig. 02
     
  2. In the top left window, in the menu structure "Console Root > Component Services > Computer > My Computer > DCOM Configuration", check that the "Microsoft Excel Application" item is there.


    Fig. 03

    If the "Microsoft Excel Application" component is not available, continue with Point 4.
     
  3. Right-click to open the "Properties" of the "Microsoft Excel Application" component and in the "Identity" tab you enter the user also entered for the WinCC "Service" operating mode.


    Fig. 04

    Restart the computer and you can then use the automatic SIMATIC powerrate Reports in the WinCC "Service" operating mode. Skip Point 4.
     
  4. You only have to implement this point if the "Microsoft Excel Application" component is not available in the DCOM configuration.
    Open the DOS prompt via "Start > Programs > Accessories > DOS prompt". Enter the "mmc -32" command.


    Fig. 05

    This opens the Windows console.


    Fig. 06

    Add the "Component Services" snap-in via File > Add or Remove Snap-ins and confirm this with "OK".


    Fig. 07

    In the Windows console, in the left window you select the "Microsoft Excel Application" via the menu structure Console Root > Component Services > Computer > My Computer > DCOM Configuration (if messages with regard to the entry of registry keys are displayed, acknowledge the messages with "No").


    Fig. 08

    Right-click to open the "Properties" of the "Microsoft Excel Application" component and in the "Identity" tab you enter the user also entered for the WinCC "Service" operating mode.


    Fig. 09

    Restart the computer and you can then use the automatic SIMATIC powerrate Reports in the WinCC "Service" operating mode.

Remark
After changing the DCOM settings you might get the following warning when opening automatic SIMATIC powerrate Reports.


Fig. 10

You can ignore this warning, because it does not affect the functions.

Important
This entry contains information for editing the Registry. You should make a backup copy of the Registry before editing it. More information about making a backup copy, restoring and editing the registry is available in the Microsoft Knowledge Base in Entry ID 256986. Incorrect use of the Registry editor can cause serious problems that affect the complete system and make it necessary to reinstall the operating system. You use the Registry editor at your own risk.

Security notes
Siemens offers products and solutions with industrial security functions which support the secure operation of plants, solutions, machines, devices and/or networks. They are important components in a comprehensive industrial security concept. The Siemens products and solutions continue to be developed under this aspect. Siemens recommends that you keep yourself regularly informed about product updates.
For the safe operation of Siemens products and solutions it is necessary to take appropriate security measures (cell protection concept, for example) and to integrate each component in an overall industrial security concept which is state of the art. This should also cover the third-party products used. Additional information about industrial security is available at:
http://www.siemens.com/industrialsecurity.
In order to keep yourself informed about product updates, we recommend subscribing to our product-specific newsletter. Additional information about this is available at
http://support.automation.siemens.com.

Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
https://www.siemens.com/cybersecurity#Ouraspiration.
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