5 Steps for DCOM Configuration, from OPCTI

From OPC Labs Knowledge Base

Introduction: 5 Things you need to know

OPC Technology relies on Microsoft's COM and DCOM to move data between sources and applications. If you receive DCOM errors such as 'Access Denied' or are terrified of opening up DCOMCNFG and editing the registry of your operating system, then this 5 part tutorial is for you.

Part 1: Remove Windows Security

In this first of five part video series, you'll learn the initial step to solving your OPC connectivity problem as a result of DCOM issues. This 5 minute video looks at Windows firewall and the impact it has on OPC connectivity.

Part 2: Setup mutual User Account recognition

In this second or five part "OPC & DCOM: 5 Things you need to know" tutorial, we examine the impact of Windows user accounts on OPC connectivity. We examine settings for both workgroups and domain controllers. In this 7 minute video, we also look at establishing trusts between domains.

Part 3: Configure System-Wide DCOM settings

In this third of five part series talking about the impact of DCOM on OPC connectivity, we look at how to configure COM, Access permissions, and Launch permissions. This 9 minute video steps you through the process of solving your DCOM problems when working with OPC Technology.

Part 4: Configure Server DCOM settings

In the fourth of five part OPC & DCOM video series, we'll spend 12 minutes looking at how both the interactive user and launching user settings can impact the OPC connection. We'll also examine the windows system account and discuss running OPC servers as a Windows service.

Part 5: Restore Windows Security

In this final part of our OPC & DCOM 5 part series, we restore the Windows Security to ensure that we are complying with corporate IT standards. In this short 6 minute video, we will look at both the Application level and Port-to-Protocol Level within the Windows firewall.