OPC UA Standard|Forum|OPC Foundation Log InSelect ForumAnnouncementsProduct and Service RequestsSuggestionsOPC MarketplaceOPC UA StandardOPC UA Companion StandardsOPC UA Implementation: Stacks, Tools, an…OPC Certification and Interoperability T…Classic OPC: DA, A&E, HDA, XML-DA, e…Miscellaneous SearchAdvanced SearchSearchForum ScopeCurrent forumAll forumsMatchMatch any wordMatch all wordsMatch phraseForum OptionsPosts onlyTopic titles onlyPosts and topic titlesMinimum search word length is 3 characters - maximum search word length is 84 characters Search Login name Password Remember me Lost password? HomeForumOPC UA Standard OPC UA StandardQuestions about OPC UA technology and specifications etc.Page: 12345 58 Need Guidance on PublishRequest TimeoutHintStarted By Ross Turton - 06/19/2026 - 08:44Replies: 1 Views: 31 Last Post Randy Armstrong - 3 days ago QuantitiesFolderType and UserCredentialCertificateType removed from standardStarted By Mattias Häggkvist - 05/04/2026 - 08:17Replies: 5 Views: 155 Last Post Randy Armstrong - 3 weeks ago Confusion about error codesStarted By Patrick Berger - 12/12/2025 - 02:09Replies: 5 Views: 384 Last Post Randy Armstrong - 4 weeks ago Facing issue of disconnect after 57 minutes in OPCUA server built on Dot net , using OPCUACore.dll version 1.5.374.158Started By Vinay Salian - 05/20/2026 - 20:50Replies: 1 Views: 71 Last Post Randy Armstrong - 1 month ago Server Index in NodeIdStarted By CHIRANTAN JOSHI - 03/20/2024 - 00:15Replies: 1 Views: 745 Last Post Sebastian Allmendinger - 3 months ago Change of Namespaces after the server has startedStarted By Siyuan Xu - 03/02/2026 - 03:36Replies: 2 Views: 181 Last Post Siyuan Xu - 4 months ago Namespace of BrowseNames of standard FileType methods Open/Close,...Started By Nico Buhl - 03/02/2026 - 00:05Replies: 1 Views: 233 Last Post Randy Armstrong - 4 months ago Structure with subtyping and Optional fieldsStarted By Rahul Rahul_1 - 02/23/2024 - 04:57Replies: 9 Views: 1025 Last Post Randy Armstrong - 4 months ago Status code BadNodeIdUnknown when reading attributes from a variable in namespaceindex 0 Started By Mikael Eklund - 02/23/2026 - 07:12Replies: 1 Views: 254 Last Post Randy Armstrong - 4 months ago Best practice to avoid inconsistent machine parametersStarted By Jakob Hennings - 02/10/2026 - 04:56Replies: 2 Views: 239 Last Post Jakob Hennings - 4 months ago Subscription limits for an OPC UA clientStarted By Yuri Bairros - 11/03/2025 - 06:12Replies: 3 Views: 1204 Last Post Randy Armstrong - 8 months ago Non-transparent redundancy - differences between OPC UA Specification v1.04 and v1.05 Started By Mikael Eklund - 10/28/2025 - 05:53Replies: 3 Views: 478 Last Post Randy Armstrong - 8 months agoPage: 12345…58 Forum Timezone: America/PhoenixMost Users Ever Online: 1361Currently Online: Randy ArmstrongGuest(s) 23Currently Browsing this Page: 12 Guest(s)Top Posters: Forum Stats: Groups: 2Forums: 10Topics: 1524Posts: 5153 Usage Policy © Simple:Press — Privacy Policy New / Updated TopicsMissing Product in Marketplace SearchNeed Guidance on PublishRequest TimeoutH…QuantitiesFolderType and UserCredentialC…Confusion about error codesFacing issue of disconnect after 57 min…Server Index in NodeIdChange of Namespaces after the server ha…Namespace of BrowseNames of standard Fil…Structure with subtyping and Optional fi…Status code BadNodeIdUnknown when readin…Model Compiler usage for client sideRAM memory concernsOPC UA Client Application Certificate Se…PHP or Javascript implementationIs upgrading to OPC Core Components v3.1…How to Develop a OPC DA Client in 2026Missing OPCAutomation.dll After Installi…OPC Core Components Redistributables Err…OPC Core Components Redistributables ICE…New version of OPC Core Components Redis…