Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.
		
How can we help you today?
How to restrict OFS-DCOM connection to a specific user?

OFS Server can operate in remote mode (the OPC client and the server are on different machines connected by DCOM generally via TCP-IP)

To allow the connection for only a specific user, the following setting can be applied:

Steps to follow:

  • From the Start menu, choose Run and run DCOMCNFG
  • Expand Console Root/Component Services/Computers/My Computer and
  • right-click My computer to open the My Computer Properties dialog.
  • Click the Default Properties tab.
  • The following parameters must be set:
    • Enable Distributed Com on this computer must be checked,
    • Default Authentication Level is set to Connect,
    • Default Impersonation Level is set to Identify.

dcom

  • Click the COM Security tab.
  • Click the Edit Defaults in Access Permissions
  • Click Add, add the user required (example: L3), click OK.
  • Check that permissions for user required are:
    • Local access: Allow checked.
    • Remote access: Allow checked

dcom

  • Delete « Everyone » if it exists
  • Delete « INTERACTIVE » and « NETWORK » if it exists
  • Click the Edit Defaults in Launch and Activation Permissions
  • Click Add, add the user required (example: L3), click OK.
  • Check that permissions for user required are:
    • Local Launch: Allow checked.
    • Remote Launch: Allow checked.
    • Local Activation: Allow checked.
    • Remote Activation: Allow checked.

dcom

  • Delete « Everyone » if it exists
  • Delete « INTERACTIVE » and « NETWORK » if it exists

Product line

OFS 3.63 SP3

Environment

Windows 10

Schneider Electric Saudi Arabia

Explore more
Product:
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Product:

Need help?

  • Product Selector

    Quickly and easily find the right products and accessories for your applications.

  • Get a Quote

    Start your sales enquiry online and an expert will connect with you.

  • Where to buy?

    Easily find the nearest Schneider Electric distributor in your location.

  • Help Centre

    Find support resources for all your needs, in one place.

  • Product Documentation
  • Software Downloads
  • Product Selector
  • Product Substitution and Replacement
  • Help and Contact Centre
  • Find our Offices
  • Get a Quote
  • Where to buy
  • Careers
  • Company Profile
  • Report a misconduct
  • Accessibility
  • Newsroom
  • Investors
  • EcoStruxure
  • Job Search
  • Blog
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings