DCOM Security and Configuration 2​.4​.4

This guide tells you how to configure Microsoft Distributed Component Object Model (DCOM) settings for OSIsoft PI OPC products, with special consideration given to security. The recommendations in this guide should be considered as part of an overall in-depth defense strategy for securing your control system from cyber-intrusion.

OSIsoft recommends that you verify and install the latest DCOM security update from Microsoft concerning hardening changes. For additional information on this update, refer to the following Microsoft support article:

https://support.microsoft.com/en-us/topic/kb5004442-manage-changes-for-windows-dcom-server-security-feature-bypass-cve-2021-26414-f1400b52-c141-43d2-941e-37ed901c769c