DCOM for Windows 7,10, & Server 2008R2 and Newer
There are five steps to configuring DCOM. Opening the Component Services App, formerly known as DCOMConfig.exe. Configure General/Default Settings. Configure settings for OPCENUM. Configure settings for OPC Server. Configure Local Security Policies. To start the DCOM Configuration type “Component Services” or “DCOMCNFG.EXE” from the start menu.
Setting System-Wide Security Using DCOMCNFG - Win32 apps
2019年8月23日 · When you want all of the applications on one computer that do not provide their own security to share the same default security settings, you would set security on a system-wide basis.
Enabling COM Security Using DCOMCNFG - Win32 apps
2019年8月23日 · By using Dcomcnfg.exe, you can enable security either on a computer-wide or a process-wide basis. You can enable security for a particular computer so that when a process does not provide its own security settings, either programmatically or through registry values, the values set by Dcomcnfg.exe will be used.
Setting Up DCOM for Discovery of Remote OPC Servers
The Discover and Auto Configure supports DCOM (Distributed Component Object Model) to browse remote OPC Servers. If you want to grant only certain users permission to launch or access the remote OPC servers, you can use the Windows utility, DCOMCNFG.EXE for configuring DCOM applications.
Change DCOM config security settings using Powershell
2012年7月6日 · DCOM application instances have several security descriptors. Starting with Windows Vista, use methods of the Win32_DCOMApplicationSetting class to get or change the various security descriptors. Security descriptors are returned as instances of the Win32_SecurityDescriptor class.
Setting Process-Wide Security Using DCOMCNFG - Win32 apps
2019年8月23日 · When enabling security for an application, several settings may need to be modified. These include authentication level, location, launch permissions, access permissions, and identity. For step-by-step procedures, see the following:
Configure Server Specific DCOM Settings In this section, we will see how to configure the OPC server specific DCOM settings to allow access only for the user (login: IO1, password: io1).
DCOM - Best Practices - Software Toolbox
Best Practices. We recommend these settings and practices to ensure your DCOM experience is successful. Review our DCOM Hardening Technical FAQ for important changes introduced in 2021, 2022, and 2023 for DCOM. Settings and requirements described there supersede any conflicting information found in this tutorial.
Software Toolbox DCOM Tutorial
Distributed COM (DCOM) is a Microsoft technology that provides Windows applications with the ability to connect from one computer to another on a LAN, a WAN, or an Internet connection. For example, DCOM allows the OPC Classic (DA, A&E, HDA) client application to communicate from one computer to the OPC Classic server on another computer.
DCOM Configuration (Dcomcnfg) on Windows 10, 11, Windows …
DCOM Configuration (Dcomcnfg) on Windows 10, 11, Windows Server 2019, 2022. Advanced OPC Data Logger.
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