COM management
From OPC Labs Knowledge Base
This article applies to QuickOPC 2022.1 and later.
(TBD)
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- Console apps in C#
- The main method runs on an MTA thread, unless specified otherwise. This is generally good, because it prevents premature COM security initialization. If COM security initialization fails, and there is an [STAThread] on the program's main method, remove it. If it still fails, add a ComManagement.Instance.AssureSecurityInitialization() call to the very beginning of the program's main method.
Configuring COM
COM security initialization
Dealing with CVE-2021-26414
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COM settings in OPC Classic client components
KB5004442—Manage changes for Windows DCOM Server Security Feature Bypass (CVE-2021-26414)