- #Rslinx classic has failed to configure the com port software
- #Rslinx classic has failed to configure the com port series
- #Rslinx classic has failed to configure the com port windows
The following links give more information:ĭCOM with Microsoft Windows XP Service Pack 2 - OPC Foundation Protection, including significant changes to the behavior of DCOM The headline feature of Windows XP SP2 is enhanced security and The new technique is used, conditionally, by recent updates to OPCįoundation's server enumerator and DA sample code. Windows XP SP2 mandates a different way of achieving theįrom OPC Foundation Technical Director Jim Luth, for more information. Programatically control their DCOM security settings by direct Registry It now appears the problem lies with applications which attempt to The OPC Foundation Message Board for more information. Matrikon, and has since been confirmed by OPC Foundation. Windows XP Service Pack 2 DCOMCNFG Failures - RegistryĪ number of users have reported an apparently serious bug in Windows You may also like to run this Google query for other references:ĭcomcnfg OR "dcom security". Relating to DCOM, including one specific to DCOM security. Parts of this document are specific to CERN, but its level ofįoundation White Papers. OPC DCOM Settings - IT-CO recommended DCOM settings for OPC (PDF) -ĬERN.
#Rslinx classic has failed to configure the com port series
A series of screencasts showingĭCOM configuration options for different Windows versions.
#Rslinx classic has failed to configure the com port software
Help from ascolab GmbH - a guide to DCOM security for industrialĮnvironments, in the form of a downloadable HTML Help file.ĭCOM Videos - Software Toolbox. To properly to configure COM/DCOM to connect an OPC client to an OPC Server, specific DCOM troubleshooting guides can be found here:Ĭonfiguring COM/DCOM for Windows NT or 2000Ĭonfiguring COM/DCOM for Windows XP or 2003 (no service packs)Ĭonfiguring COM/DCOM for Windows XP SP2 or 2003 SP1įAQs and Common DCOM problems - MatrikonOPC OPC Connectivity problems including DCOM settings, DEP configuration and many more. OPC Support provides information on common
OPC systems, there are many sites with available information. More Information on configuring DCOMīecause DCOM security is such a common problem for implementers of Is reversed, and security on the client computer must be considered toĮnsure that callbacks are able to get through. Servers for particular COM interfaces, with the OPC server as theĬonsumer of these interfaces. Server is used by the majority of OPC clients to identify available OPCįurthermore, because of callback mechanisms, OPC clients act as The OPC server enumerator component (OPCENUM.EXE). Consideration must also be given to security settings for The OPC server is not the only COM server which comes into play when
This new user, rather than as the 'interactive user' or the Is then used to configure the COM server to run under the identity of Server - the username for the account might be 'opc'. The server computer specifically for the purpose of running the OPC In practice, the best approach is usually to create an account on However, it has some obviousĭrawbacks, not least the need to have a particular user logged in on This explains why using the same login on each PCĬan be such an effective technique. Server to run as the 'interactive user', i.e. When a COM server is run remotely, the default behavior is for the Of Windows security, and in particular the Distributed COMĬonfiguration tool (DCOMCNFG) which defines the security model for COM Sooner or later, any OPC expert will need to acquire some understanding While this may be acceptable for development andĭemonstration, it is usually not practical in a production environment. Using the same account details to log in to both client and serverĬomputers. Configuring OPC to work between multiple computers - connectingĬlients to remote servers - is the most taxing problem faced by manyĭuring development, many OPC programmers work around this problem by
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