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Combined display of all available logs of OPC Labs Knowledge Base. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 06:01, 24 October 2025 User talk contribs deleted redirect Rapid Toolkit for Sparkplug Versions by overwriting (Deleted to make way for move from "EasySparkplug Versions")
• 06:01, 24 October 2025 User talk contribs moved page EasySparkplug Versions to Rapid Toolkit for Sparkplug Versions over redirect
• 06:00, 24 October 2025 User talk contribs moved page Rapid Toolkit for Sparkplug Versions to EasySparkplug Versions
• 13:20, 20 October 2025 User talk contribs created page Rapid Toolkit for Sparkplug Versions (Created page with "Category:Rapid Toolkit for Sparkplug Category:Product Versions See also: What's New See also: QuickOPC Versions See also: Excel Connector Versions See also: OPC Wizard Versions = Rapid Toolkit for Sparkplug 2025.2 - = {| class="wikitable" |+Version Table !Product Name<br>(Internal Version) !.NET Runtime !Operating System !Primary Development Tool !Key Changes - What's New<br/>(click the link for details) !Release Date;<br>Product Links...")
• 13:12, 20 October 2025 User talk contribs created page Category:MQTT Broker Primers (Created page with "Elementary introductions to various MQTT broker products.")
• 14:31, 6 October 2025 User talk contribs created page Troubleshooting Sparkplug Host Applications (Created page with "(tbd)")
• 14:31, 6 October 2025 User talk contribs created page Troubleshooting Sparkplug Edge Nodes (Created page with "(tbd)")
• 14:30, 6 October 2025 User talk contribs created page Sparkplug Troubleshooting (Created page with "(tbd)")
• 15:11, 26 August 2025 User talk contribs created page Category:MQTT Broker (Created page with "Category:MQTT")
• 14:35, 26 August 2025 User talk contribs created page MQTT Brokers for Experiments (Created page with "Category:MQTT Category:Sparkplug = Introduction = There are many MQTT brokers that you can use. This article lists just some of them, in no particular order, and provides links to other articles on the Web that cover the topic. = Installable MQTT Brokers = We have concise instructions ("primers") on how to get started with several MQTT brokers: * A primer on Chariot MQTT Server * A primer on Eclipse Mosquitto * A primer on HiveMQ Broker = MQTT Broke...")
• 14:05, 25 August 2025 User talk contribs created page Broker connection in SparkplugCmd utility (Created page with "!!!")
• 13:47, 25 August 2025 User talk contribs created page Category:Sparkplug (Created page with "{{Sparkplug trademarks disclaimer}}")
• 13:43, 25 August 2025 User talk contribs created page Template:Sparkplug trademarks disclaimer (Created page with "Sparkplug® is a trademark of Eclipse Foundation, Inc.")
• 08:07, 24 August 2025 User talk contribs created page Using SparkplugCmd Utility as Sparkplug Edge Node (Created page with "Category:Sparkplug Category:SparkplugCmd Utility Category:Tools and Online Services For general information about the SparkplugCmd tool, see Category:SparkplugCmd Utility. = Commands, Arguments and Options = The commands described here can be entered at the '''SparkplugCmd>''' prompt, or directly on the command-line invoking the SparkplugCmd utility. == Command: '''edgeNode''' ==")
• 14:37, 22 August 2025 User talk contribs created page Using SparkplugCmd Utility as Sparkplug host application (Created page with "Category:Sparkplug Category:SparkplugCmd Utility Category:Tools and Online Services For general information about the SparkplugCmd tool, see Category:SparkplugCmd Utility. = Commands, Arguments and Options = == Command: consumer subscribePayload == Use this command to subscribe to payload notifications from an edge node or device. The received payload are displayed in a table form. == Command: consumer subscribeMetric == Use this command to subscri...")
• 14:23, 22 August 2025 User talk contribs created page Category:SparkplugCmd Utility (Created page with "Category:Sparkplug Category:Tools and Online Services = Introduction = The SparkplugCmd utility is a program that allows performing various Sparkplug operations from the command line. Among other uses, it can act as * a Sparkplug host application, * a Sparkplug edge node. SparkplugCmd can be used for evaluation, experiments, and testing. SparkplugCmd is a console application, running on .NET. It is available for .NET Framework (Windows only), or .NET (Window...")
• 14:11, 22 August 2025 User talk contribs created page Command-Line Utilities Concepts (Created page with "This article applies to: * OpcCmd Utility * SparkplugCmd Utility = Commands, Arguments and Options = The command-line utilities have a concept of (possibly nested) ''commands'' and their ''arguments'' and ''options''. The command names are case insensitive. The command-line utilities also supportsparsing of response files. Arguments beginning with '@' are treated as a file path to a response file. A resp...")
• 08:25, 22 August 2025 User talk contribs moved page What's new in Connectivity Products 2025.2 to What's new in Connectivity Software 2025.2
• 14:15, 21 August 2025 User talk contribs created page Troubleshooting the Setup program (Created page with "Category:Installation category:Troubleshooting In case of non-obvious installation problems, it might be helpful to view a detailed installation log. The installer creates a log file automatically. By default, it is located in the user’s temporary directory, has a <strong>".txt"</strong> extension, and its name starts with <strong>“Setup Log”</strong> and it includes the date of the installation and a sequence number. For example, the installation log file...")
• 08:38, 20 August 2025 User talk contribs moved page What's new in Connectivity Studio 2025.2 to What's new in Connectivity Products 2025.2
• 11:22, 18 August 2025 User talk contribs moved page What's new in OPC Studio 2025.2 to What's new in Connectivity Studio 2025.2
• 14:27, 1 August 2025 User talk contribs created page A primer on Chariot MQTT Server (Created page with "= Introduction = Chariot® is a commercial, Sparkplug-compliant MQTT broker. Web page: https://cirrus-link.com/mqtt-broker-iiot-mqtt-servers/ Download: https://docs.chariot.io/display/CHAR2x/Chariot+Downloads Documentation: https://docs.chariot.io/display/CHAR2x/Chariot+MQTT+Server+Documentation = Installation = See https://docs.chariot.io/display/CHAR2x/Chariot+MQTT+Server+Installation .")
• 10:42, 1 August 2025 User talk contribs created page A primer on HiveMQ Broker (Created page with "= Introduction = HiveMQ Broker is a commercial MQTT Broker based on Java. Web site: https://www.hivemq.com/products/mqtt-broker/ Download: https://www.hivemq.com/download/ (the whole HiveMQ Platform) Documentation: https://docs.hivemq.com/hivemq/latest/user-guide/index.html (the whole HiveMQ Platform) = Installation =")
• 09:26, 1 August 2025 User talk contribs created page A primer on Eclipse Mosquitto (Created page with "Eclipse Mosquitto™ is an open source MQTT broker. Web site: https://mosquitto.org/ Download: https://mosquitto.org/download/ Documentation: https://mosquitto.org/documentation/ Public broker: https://test.mosquitto.org/")
• 07:53, 12 June 2025 User talk contribs created page UA Configuration Tool Download (Created page with "The UA Configuration Tool (Windows desktop application; by OPC Foundation) allows the user to inspect and manage various aspects of OPC UA functionality on Windows computers. More information... {| class="wikitable" |- !Target platform and requirements !Version !Installers |- |Windows<br>.NET Framework 4.7 (or later) |Current: 1.03 |<table><tr><td>EXE file:</td><td>{{Style=button|[https://www.opclabs.com/files/downloads/Opc.Ua.Configur...")
• 07:53, 12 June 2025 User talk contribs created page UA Certificate Generator Download (Created page with "The UA Certificate Generator (Windows console application; by OPC Foundation) allows the user to work with instance certificates for OPC UA applications (clients and servers). It can issue, renew, revoke and unrevoke certificates, and works with a certificate store specified by a file path. The UA Certificate Generator is included in the UA Configuration Tool Download (separate page). Its file name is '''Opc.Ua.CertificateGenerator.exe'''. Documentation: https://git...")
• 07:47, 12 June 2025 User talk contribs created page SparkplugCmd Utility Download (Created page with "The SparkplugCmd utility (console application) is a program that allows performing various Sparkplug operations from the command line. It can act as a generic Sparkplug host application or Sparkplug edge node, and be used for evaluation, experiments, and testing. '''More information...''' {| class="wikitable" |- !Target platform and requirements !Version !Binaries !ClickOnce |- |Windows, Linux or macOS<br>.NET 9.0 |Current or Preview<r...")
• 07:44, 12 June 2025 User talk contribs created page OPC UA PubSub Formatter Download (Created page with "The OPC UA PubSub Formatter (Windows desktop application) allows you to visualize the output of formatting OPC UA PubSub network messages (currently, JSON message mapping only). More information... thumb {| class="wikitable" |- !Target platform and requirements !Version !ClickOnce |- |Windows<br>.NET Framework 4.7.2 (or later) |Current or Preview<ref name="current-or-preview">Either the latest version re...")
• 07:40, 12 June 2025 User talk contribs created page OPC UA Demo Publisher Download (Created page with "The UADemoPublisher program (console application) is a demonstration publisher for OPC UA PubSub. '''More information...''' {| class="wikitable" |- !Target platform and requirements !Version !Binaries !ClickOnce |- |Windows, Linux or macOS<br>.NET 9.0 |Current or Preview<ref name="current-or-preview">Either the latest version released, or a preview of the upcoming version</ref> |<table><tr><td>ZIP file:</td><td>{{Style=button|[https://www.o...")
• 07:36, 12 June 2025 User talk contribs created page OPC Kit Server Download (Created page with "The OPC Kit Server is an OPC Classic server (OPC DA and OPC A&E) providing simulated data. For more information, see [https://kb.opclabs.com/OPC_Classic_Demo_Servers#OPC%20%Kit%Server OPC Kit Server]. {| class="wikitable" |- !Target platform and requirements !Binaries |- |Windows |<table><tr><td>ZIP file:</td><td>{{Style=button|[https://www.opclabs.com/files/downloads/OPCKitServer/OPCKitServer.zip Download]}}</td></tr></table> |} License: [https://opensource.org/licens...")
• 05:31, 12 June 2025 User talk contribs created page OpcCmd Utility Download (Created page with "= OpcCmd Utility = The OpcCmd utility (console application) is a program that allows performing various OPC operations from the command line. It can act as a generic OPC DA Client, OPC A&E Client, OPC UA Client, OPC UA PubSub subscriber, OPC UA Server, and be used for evaluation, experiments, and testing. '''More information...''' {| class="wikitable" |- !Target platform and requirements !Version !Binaries !ClickOnce |- |Windows, Linux or ma...")
• 05:29, 12 June 2025 User talk contribs created page License Manager Download (Created page with "= License Manager = If all you need is to install a license into an existing runtime deployment of QuickOPC on Windows, links below may come handy. They are plain EXE-s that you can save to your computer and run. They have no dependencies, and no installation is required. == desktop app == {| class="wikitable" |- !Target platform and requirements !Binaries |- |Windows |<table><tr><td>EXE file:</td><td>{{Style=button|[https://www.opclabs.com/files/downloads/QuickOpc/202...")
• 05:27, 12 June 2025 User talk contribs created page Connectivity Explorer Download (Created page with "= Connectivity Explorer = The Connectivity Explorer (Windows desktop application) allows you to navigate through hierarchy of OPC Data Access and OPC Unified Architecture servers, publishers and data nodes. You can subscribe to data changes, and view the results live. More information... {| class="wikitable" |- !Target platform and requirements !Version !ClickOnce |- |Windows<br>.NET Framework 4.7.2 (or later) |Current or Preview<ref na...")
• 05:24, 12 June 2025 User talk contribs created page COM Create Test Download (Created page with "The COM Create Test Utility (ComCreateTest32 or ComCreateTest64) is a Windows command line tool that allows the user to quickly test whether the COM object specified by its CLSID can be successfully created from a 32-bit or 64-bit process, locally. This is usable for testing presence of OPC "Classic" servers, which are all COM objects. Run the tool without any parameters on command line to obtain usage instructions. {| class="wikitable" |- !Target platform and requireme...")
• 12:49, 16 April 2025 User talk contribs created page What's new in OPC Studio 2025.2 (Created page with "Category:What's New <div style="text-align: right; direction: ltr; margin-left: 1em;">See also: Versions; Previous version: What's new in OPC Studio 2025.1</div> Internal version number: 5.83 ''Key changes: '' * <br/> <!-- = Fundamentals = = Nomenclature = = Targeting = = Technology = = Licensing = = Packaging = = Delivery = = Installation and Uninstallation = = Component Improvements = == OPC Classic == == OPC Data Access and OPC XML-DA == == OPC XML-DA...")
• 10:17, 5 April 2025 User talk contribs created page Year 2038 Problem (Created page with "Date last updated: April 5, 2025 We have reviewed OPC Labs products for susceptibility to [https://en.wikipedia.org/wiki/Year_2038_problem Year 2038 problem]. The review has been made on the current version (2024.2) of OPC Studio products (QuickOPC, OPC Wizard, Excel Connector) We have found no explicit usage of signed 32-bit integer with Unix epoch for time representation in OPC Studio source code. OPC Studio products depend, however, on an environment it runs in. Spe...")
• 10:58, 27 March 2025 User talk contribs moved page Migrating QuickOPC application from OPC Classic to OPC UA to Migrating QuickOPC applications from OPC Classic to OPC UA
• 10:52, 27 March 2025 User talk contribs created page Migrating QuickOPC application from OPC Classic to OPC UA (Created page with "{| class="wikitable" |- ! OPC Classic !! OPC UA |- ! colspan="2" style="font-weight:bold;color:blue" | - Classes - |- | EasyDAClient || EasyUAClient |- | colspan="2" style="font-weight:bold;color:blue" | - EasyDAClient/EasyUAClient Methods - |}")
• 13:03, 21 February 2025 User talk contribs uploaded a new version of File:UAManageApplicationManifestControl.png
• 13:02, 21 February 2025 User talk contribs uploaded a new version of File:UAManageOwnCertificateControl.png
• 13:01, 21 February 2025 User talk contribs deleted page File:UAManageTrustedCertificatesControl.png (Deleted old revision 20230521094901!UAManageTrustedCertificatesControl.png)
• 13:01, 21 February 2025 User talk contribs deleted page File:UAManageTrustedCertificatesControl.png (Deleted old revision 20250221125957!UAManageTrustedCertificatesControl.png)
• 12:59, 21 February 2025 User talk contribs uploaded a new version of File:UAManageTrustedCertificatesControl.png
• 14:23, 13 December 2024 User talk contribs moved page Connectivity Explorer Q&A to Connectivity Explorer tips and tricks
• 14:22, 13 December 2024 User talk contribs moved page OpcCmd uaClient command Q&A to OpcCmd uaClient command tips and tricks
• 19:40, 1 December 2024 User talk contribs created page Connectivity Explorer Q&A (Created page with "Category:ECC Category:OPC UA Category:Connectivity Explorer Category:Tools and Online Services ; How do I make an OPC UA connection using ECC security policy? : 1. In the tree view of Browse tab of the Point Editor, select the OPC UA endpoint you want to use.<br/>2. In the Action pane, under "Browse As:", select "Session Endpoints".<br/>3. In the tree view, expand the OPC UA endpoint node (using the "+" mini-icon).<br/>4. Select one of the OPC UA endpoin...")
• 11:21, 1 December 2024 User talk contribs created page OpcCmd uaClient command Q&A (Created page with " ; How do you specify a connection using ECC security policy? : colon plus definition")
• 10:52, 8 November 2024 User talk contribs created page What's new in OPC Studio 2025.1 (Created page with "Category:What's New <div style="text-align: right; direction: ltr; margin-left: 1em;">See also: Versions; Previous version: What's new in OPC Studio 2024.2</div> Internal version number: 5.82 ''Key changes: '' * <br/> <!-- = Fundamentals = = Nomenclature = = Targeting = = Technology = = Licensing = = Packaging = = Delivery = = Installation and Uninstallation = = Component Improvements = == OPC Classic == == OPC Data Access and OPC XML-DA == == OPC XML-DA...")
• 07:17, 28 October 2024 User talk contribs created page OPC Wizard Compatibility Test List (Created page with "Category:Application note Category:Compatibility See also: QuickOPC Compatibility Test List == Introduction == See Compatibility Test Lists - Concepts. == Platform Hardware == {| class="wikitable" |+ !Other system model !Other system version !Test date !Performed by !This product version !Test type !Test outcome !Notes |} More tests were performed, currently not explicitly listed here. == Operating Systems == {| class="wikitable" |+ !Other system m...")
• 16:17, 27 October 2024 User talk contribs moved page OPC UA PubSub Common Traps And Pitfalls to OPC UA PubSub Traps And Pitfalls