Factorysoft Opc Client Install Access

| Error Message | Likely Cause | Fix | |---------------|--------------|------| | "Class not registered (0x80040154)" | 64-bit/32-bit mismatch or missing COM registration | Reinstall as Admin. Run regsvr32 FactorySoftOPC.dll from elevated command prompt in SysWOW64 folder. | | "Access Denied (0x80070005)" | DCOM permissions not propagated | In dcomcnfg , set to include INTERACTIVE and NETWORK SERVICE . | | "OPC Server connection timeout" | Firewall blocking RPC | Add inbound rule for svchost.exe and TCP 135. Reboot. | | "Cannot browse tags – empty tree" | OPC server not exposing namespace | Connect with a different OPC client (e.g., Matrikon Explorer) to isolate whether the issue is FactorySoft or the server. |

If your OPC Server is on a different machine than the FactorySoft Client, you must configure DCOM: Press Win + R , type dcomcnfg , and hit Enter.

Before beginning the installation, ensure your environment meets the necessary technical criteria to prevent deployment errors. Supported Operating Systems Windows 10 and Windows 11 (64-bit recommended) Windows Server 2016, 2019, and 2022 Software Dependencies Version 4.6.2 or higher.

FactorySoft software was built for the Windows 9x/NT/2000/XP era. factorysoft opc client install

Are you planning to build a with this toolkit, or do you need to connect it to a specific PLC like a Siemens or Schneider model?

Because the FactorySoft client relies on Classic OPC (OPC DA), it requires the official OPC Core Components runtime files from the OPC Foundation. These files include essential libraries like opccomn_ps.dll and the OPC Enum service ( OpcEnum.exe ), which allows the client to browse available OPC servers on local or remote machines.

If you are installing FactorySoft on Windows 7, 10, or 11, you are fighting a losing battle. Microsoft has been slowly deprecating the underlying COM/DCOM infrastructure that FactorySoft relies on for two decades. | Error Message | Likely Cause | Fix

If the client crashes upon connecting:

If you absolutely must keep the FactorySoft Client running, do not try to force it onto Windows 10. Instead, use VMware Workstation or Hyper-V . Create a Windows XP Virtual Machine, install FactorySoft there, and network it to your control system. This preserves the software in the environment it was designed for, while running on modern hardware.

Navigate to .

Provide a meaningful name for the group (e.g., Production_Line_1 ).

Windows 7, 8, 10, or Windows Server (32-bit or 64-bit).

Launch your simulation software and navigate to the menu. Select OPC Client DA/UA from the available driver list. | | "OPC Server connection timeout" | Firewall

Compatible with Microsoft Windows (Standard versions like Windows 10/11 or Windows Server).

Uncheck the "Launch Application" box if you need to configure DCOM first, then click Finish . Post-Installation: Configuring DCOM and Firewall