{"id":1592,"date":"2026-02-16T13:22:06","date_gmt":"2026-02-16T13:22:06","guid":{"rendered":"https:\/\/integrationobjects.com\/blog\/?p=1592"},"modified":"2026-04-03T15:47:08","modified_gmt":"2026-04-03T15:47:08","slug":"step-by-step-setting-up-opcnet-broker-in-15-minutes","status":"publish","type":"post","link":"https:\/\/integrationobjects.com\/blog\/step-by-step-setting-up-opcnet-broker-in-15-minutes\/","title":{"rendered":"OPC Tunnelling Setup: Step-by-Step Guide Using OPCNet Broker\u00ae (No DCOM, 15 Minutes)"},"content":{"rendered":"<p data-start=\"258\" data-end=\"381\">If you\u2019ve ever struggled with DCOM errors, firewall restrictions, or unstable OPC connections, you\u2019re definitely not alone.<\/p>\n<p data-start=\"383\" data-end=\"510\">Traditional OPC communication &#8211; especially in distributed environments &#8211; can be fragile, insecure, and time-consuming to configure.<\/p>\n<p data-start=\"512\" data-end=\"621\">This is where <a href=\"https:\/\/integrationobjects.com\/sioth-opc\/sioth-opc-tunneling\/opcnet-broker-da-hda-ae\/\">OPCNet Broker\u00ae<\/a>, a secure and DCOM-free OPC tunneling solution, completely changes the game.<\/p>\n<p data-start=\"623\" data-end=\"813\">In this guide, you\u2019ll learn how to complete an OPC tunnelling setup in under 15 minutes, from installation to configuration, so you can focus on operations instead of connectivity issues.<\/p>\n<h2 data-section-id=\"ve71wq\" data-start=\"820\" data-end=\"858\">What is an OPC Tunnelling Setup?<\/h2>\n<p data-start=\"860\" data-end=\"991\">An OPC tunnelling setup is a method used to connect an OPC client to an OPC server across networks without relying on DCOM.<\/p>\n<p data-start=\"993\" data-end=\"1004\">It enables:<\/p>\n<ul data-start=\"1005\" data-end=\"1175\">\n<li data-section-id=\"1t5q42t\" data-start=\"1005\" data-end=\"1058\">Secure communication across firewalls and domains<\/li>\n<li data-section-id=\"1p548n5\" data-start=\"1059\" data-end=\"1122\">Reliable OPC data transfer over local or wide-area networks<\/li>\n<li data-section-id=\"ieqcxc\" data-start=\"1123\" data-end=\"1175\">Stable connectivity for OPC DA, HDA, and AE data<\/li>\n<\/ul>\n<p data-start=\"1177\" data-end=\"1321\">Modern tunneling solutions like OPCNet Broker\u00ae replace complex DCOM configurations with a simple, secure, and high-performance architecture.<\/p>\n<h2 data-section-id=\"taxjum\" data-start=\"1328\" data-end=\"1382\">Why OPC Tunnelling is Needed (Avoid DCOM Issues)<\/h2>\n<p data-start=\"1384\" data-end=\"1443\">DCOM-based OPC communication introduces several challenges:<\/p>\n<ul data-start=\"1445\" data-end=\"1660\">\n<li data-section-id=\"4t4o6h\" data-start=\"1445\" data-end=\"1498\">Complex configuration across machines and domains<\/li>\n<li data-section-id=\"spwnv6\" data-start=\"1499\" data-end=\"1544\">Firewall and port management difficulties<\/li>\n<li data-section-id=\"807355\" data-start=\"1545\" data-end=\"1601\">Security vulnerabilities and attack surface exposure<\/li>\n<li data-section-id=\"1it2kr5\" data-start=\"1602\" data-end=\"1660\">Poor reliability in distributed or remote environments<\/li>\n<\/ul>\n<p data-start=\"1662\" data-end=\"1785\">An <a href=\"https:\/\/integrationobjects.com\/blog\/common-opc-tunneling-issues-how-to-solve-them\/\">OPC tunnelling<\/a> setup eliminates these issues by abstracting DCOM entirely, ensuring secure and stable communication.<\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">What is OPCNet Broker\u00ae?\u00a0<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">OPCNet Broker\u00ae is a high-performance OPC tunneling plug and play product designed to: <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Aptos&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Eliminate DCOM configuration headaches\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Aptos&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Support real-time, historical, and event-based OPC data<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Aptos&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Secure OPC communication with data encryption and user authentication <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Aptos&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Simplify remote access across segmented or wide-area networks<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Prerequisites:\u00a0<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:160,&quot;335559739&quot;:80,&quot;335559740&quot;:360}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">Before starting, ensure you have the following: <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">\u00a0OPCNet Broker\u00ae installation package from here<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><a id=\"download\" class=\"btn_product_download\" href=\"https:\/\/integrationobjects.com\/sioth-opc\/sioth-opc-tunneling\/opcnet-broker-da-hda-ae\/\" target=\"_blank\" rel=\"noopener\">Download OPCNetBroker<\/a><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Admin rights on OPC server and client machines to run the installation programs<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Required .NET Framework version (2.0 or 4.0, depending on your OS version<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"5\" data-aria-level=\"1\"><span data-contrast=\"auto\">IP address of the OPC Server machine\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"6\" data-aria-level=\"1\"><span data-contrast=\"auto\">Firewall access to allow the ONB TCP port <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Step1: Install ONB Server on the OPC Server Machine<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h2>\n<ol>\n<li><span data-contrast=\"auto\">Copy and unzip the installation package onto the OPC Server machine\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Select the appropriate setup based on your OS:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span>\n<ul>\n<li><span data-contrast=\"auto\">Use .NET Framework 4.0 for recent operating systems (Windows 7 + or Windows Server 2008+)<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Use .NET Framework 2.0 for legacy operating systems (Windows XP or Server 2003)<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span data-contrast=\"auto\">Right-click the ONB Server setup executable and select \u201cRun as administrator\u201d<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Follow the Install Wizard to complete setup\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Configure the ONB Server Service<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h3>\n<ol>\n<li><span data-contrast=\"auto\">Open Windows Services\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Locate \u201cIntegration Objects OPCNet Broker\u00ae Server\u201d<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Right-click -&gt; Properties -&gt; go to the \u201cLog On\u201d tab<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\"><span data-contrast=\"auto\">Choose \u201cThis account\u201d and enter credentials for a user account with:<\/span><\/span>\n<ul>\n<li><span data-contrast=\"auto\">Access to the OPC Server\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Read\/Write permissions to the ONB folder and Windows Registry\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span data-contrast=\"auto\">Start the \u201cOPCNet Broker Server\u201d Service\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ol>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Step 2: Configure Firewall and Network Access<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h2>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Aptos&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Open the ONB TCP port between the server and client machines\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Aptos&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"5\" data-aria-level=\"1\"><span data-contrast=\"auto\">Ensure no security policies or firewalls block communication on that port<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Step 3: Install ONB Client on the OPC Client Machine<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:160,&quot;335559739&quot;:80,&quot;335559740&quot;:360}\">\u00a0<\/span><\/h2>\n<ol>\n<li><span data-contrast=\"auto\">Copy and unzip the installation package onto the OPC Client machine<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Select the correct setup (Framework 4.0 or 2.0 per OS)<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Right-click the ONB Client setup executable and select \u201cRun as administrator\u201d<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Follow the Install Wizard to complete the installation<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ol>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Step 4: Configure the ONB Client Connection <\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h2>\n<ol>\n<li><span data-contrast=\"auto\">Run the ONB Client Configuration Tool as administrator\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">From the menu, click \u201cONB Connection\u201d -&gt; \u201cAdd\u201d<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Enter the OPC Server\u2019s IP address<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\"><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1593 aligncenter\" style=\"margin-top: 20px;\" src=\"https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/Add-ONB-Connection.png\" alt=\"Figure 1: Add ONB Connection \" width=\"302\" height=\"359\" srcset=\"https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/Add-ONB-Connection.png 362w, https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/Add-ONB-Connection-253x300.png 253w\" sizes=\"auto, (max-width: 302px) 100vw, 302px\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><strong><em>Figure 1: Add ONB Connection <\/em><\/strong><\/p>\n<\/li>\n<li><span data-contrast=\"auto\">Click OK to fetch all OPC Servers available on the server machine <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">These servers are now registered locally on your OPC Client machine<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1594 aligncenter\" src=\"https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/ONB-Connections-Listed-on-the-Client-Side.jpg\" alt=\"ONB Connections Listed on the Client Side\" width=\"350\" height=\"279\" srcset=\"https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/ONB-Connections-Listed-on-the-Client-Side.jpg 458w, https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/ONB-Connections-Listed-on-the-Client-Side-300x239.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n<p style=\"text-align: center;\"><strong><em>Figure 2: ONB Connections Listed on the Client Side<\/em><\/strong><\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Step 5: Connect to your OPC Server via OPCNet Broker <\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h2>\n<ol>\n<li><span data-contrast=\"auto\">Launch your OPC Client application<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Browse local OPC Servers \u2013 you should now see OPCNet Broker\u00ae entries with a format like the example below:<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1595 aligncenter\" style=\"margin-top: 20px;\" src=\"https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/OPC-Client-Connected-to-OPC-Server-via-ONB.png\" alt=\"OPC Client Connected to OPC Server via ONB\" width=\"323\" height=\"346\" srcset=\"https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/OPC-Client-Connected-to-OPC-Server-via-ONB.png 446w, https:\/\/integrationobjects.com\/blog\/wp-content\/uploads\/2025\/09\/OPC-Client-Connected-to-OPC-Server-via-ONB-280x300.png 280w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/><\/span>\n<p style=\"text-align: center;\"><strong><em>Figure 3: OPC Client Connected to OPC Server via ONB<\/em><\/strong><\/p>\n<\/li>\n<li><span data-contrast=\"auto\">Connect and start reading live, historical, or event-based data through your new secure tunnel<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li>\n<\/ol>\n<h2 data-section-id=\"437233\" data-start=\"4385\" data-end=\"4437\">Benefits of OPC Tunnelling with OPCNet Broker\u00ae<\/h2>\n<p data-start=\"4439\" data-end=\"4504\">Using OPCNet Broker\u00ae for your OPC tunnelling setup allows you to:<\/p>\n<ul data-start=\"4506\" data-end=\"4745\">\n<li data-section-id=\"q9il9j\" data-start=\"4506\" data-end=\"4544\">Eliminate DCOM complexity entirely<\/li>\n<li data-section-id=\"1cbyego\" data-start=\"4545\" data-end=\"4595\">Improve reliability across distributed systems<\/li>\n<li data-section-id=\"4ytpji\" data-start=\"4596\" data-end=\"4640\">Secure OPC communication with encryption<\/li>\n<li data-section-id=\"7oxkyt\" data-start=\"4641\" data-end=\"4702\">Enable seamless connectivity across firewalls and domains<\/li>\n<li data-section-id=\"188cayd\" data-start=\"4703\" data-end=\"4745\">Reduce downtime and maintenance effort<\/li>\n<\/ul>\n<h2 data-section-id=\"1ytnonw\" data-start=\"4752\" data-end=\"4799\">Industries Using OPC Tunnelling Solutions<\/h2>\n<p data-start=\"4801\" data-end=\"4834\">OPC tunnelling is widely used in:<\/p>\n<ul data-start=\"4836\" data-end=\"4936\">\n<li data-section-id=\"1akkrgx\" data-start=\"4836\" data-end=\"4849\">Oil &amp; Gas<\/li>\n<li data-section-id=\"1ues5ii\" data-start=\"4850\" data-end=\"4872\">Utilities &amp; Energy<\/li>\n<li data-section-id=\"18tykco\" data-start=\"4873\" data-end=\"4890\">Manufacturing<\/li>\n<li data-section-id=\"1ola6l8\" data-start=\"4891\" data-end=\"4910\">Pharmaceuticals<\/li>\n<li data-section-id=\"1av8uy8\" data-start=\"4911\" data-end=\"4936\">Industrial Automation<\/li>\n<\/ul>\n<p data-start=\"4938\" data-end=\"5057\">Any industry relying on secure, real-time data exchange across networks can benefit from a modern OPC tunnelling setup.<\/p>\n<h2 data-section-id=\"dbns9w\" data-start=\"5894\" data-end=\"5944\">Ready to Simplify Your OPC Tunnelling Setup?<\/h2>\n<p data-start=\"5946\" data-end=\"6011\">Stop wasting time on DCOM configuration and unstable connections.<\/p>\n<p data-start=\"6013\" data-end=\"6104\">With OPCNet Broker\u00ae, you can deploy a secure, reliable OPC tunnelling setup in minutes.<\/p>\n<p data-start=\"6106\" data-end=\"6163\"><a href=\"https:\/\/integrationobjects.com\/login\/?url=integrationobjects.com\/download_product&amp;id_product=296&amp;pstObjectId=2096&amp;title=OPCNet%20Broker%20DA%20HDA%20AE&amp;curUrl=integrationobjects.com\/sioth-opc\/sioth-opc-tunneling\/opcnet-broker-da-hda-ae\/&amp;code_produit=27&amp;version_without_expload=4.2.1&amp;last_version=4.2.1\">\ud83d\udc49Download OPCNet Broker\u00ae and start your setup today:<\/a><\/p>\n<h2 data-start=\"6106\" data-end=\"6163\"><span class=\"TextRun SCXW152326368 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW152326368 BCX0\">FAQ: OPC Tunnelling Setup<\/span><\/span><span class=\"EOP SCXW152326368 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/h2>\n<style>#sp-ea-1790 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-1790.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-1790.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-1790.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-1790.sp-easy-accordion>.sp-ea-single {background: #eee;}#sp-ea-1790.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}.sp-easy-accordion .sp-ea-single .ea-header a{\r\n  display: block;\r\n    text-decoration: none;\r\n    cursor: pointer;\r\n    font-weight: 600;\r\n    color: #444;\r\n    font-size: 16px;\r\n    line-height: 1;\r\n  box-shadow: none;}<\/style><div id=\"sp_easy_accordion-1775230608\"><div id=\"sp-ea-1790\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card ea-expand sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17900\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17900\" aria-controls=\"collapse17900\" href=\"#\" aria-expanded=\"true\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> What is OPC tunnelling? <\/a><\/h3><div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse17900\" data-parent=\"#sp-ea-1790\" role=\"region\" aria-labelledby=\"ea-header-17900\"> <div class=\"ea-body\"><p><span class=\"TextRun SCXW261030263 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW261030263 BCX0\">OPC tunnelling is a method that enables OPC client-server communication across networks without using DCOM, improving both security and reliability.<\/span><\/span><span class=\"EOP SCXW261030263 BCX0\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17901\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17901\" aria-controls=\"collapse17901\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How do you set up OPC tunnelling? <\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse17901\" data-parent=\"#sp-ea-1790\" role=\"region\" aria-labelledby=\"ea-header-17901\"> <div class=\"ea-body\"><p><span data-contrast=\"auto\">To set up OPC tunnelling:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><ol><li data-leveltext=\"%1.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Install tunneling software on server and client\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ol><ol><li data-leveltext=\"%1.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Configure\u00a0firewall\u00a0and network access\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ol><ol><li data-leveltext=\"%1.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Connect using the server IP address\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ol><ol><li data-leveltext=\"%1.\" data-font=\"Aptos\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,0],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%1.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Access OPC servers locally through the client<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ol><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17902\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17902\" aria-controls=\"collapse17902\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Why avoid DCOM in OPC communication? <\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse17902\" data-parent=\"#sp-ea-1790\" role=\"region\" aria-labelledby=\"ea-header-17902\"> <div class=\"ea-body\"><p><span class=\"TextRun SCXW92933522 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW92933522 BCX0\">DCOM is complex to configure, difficult to secure, and unreliable across networks, especially in modern distributed environments.<\/span><\/span><span class=\"EOP SCXW92933522 BCX0\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17903\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17903\" aria-controls=\"collapse17903\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is the best OPC tunneling solution? <\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse17903\" data-parent=\"#sp-ea-1790\" role=\"region\" aria-labelledby=\"ea-header-17903\"> <div class=\"ea-body\"><p><span class=\"TextRun SCXW32553391 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW32553391 BCX0\">Modern solutions like\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW32553391 BCX0\">OPCNet<\/span><span class=\"NormalTextRun SCXW32553391 BCX0\">\u00a0Broker\u00ae provide secure, DCOM-free OPC tunnelling with simplified deployment and\u00a0<\/span><span class=\"NormalTextRun SCXW32553391 BCX0\">strong performance<\/span><span class=\"NormalTextRun SCXW32553391 BCX0\">.<\/span><\/span><span class=\"EOP SCXW32553391 BCX0\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><\/div><\/div><\/div><script type=\"application\/ld+json\">{ \"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"@id\": \"sp-ea-schema-1790-69dd471777365\", \"mainEntity\": [{ \"@type\": \"Question\", \"name\": \"What is OPC tunnelling? \", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"OPC tunnelling is a method that enables OPC client-server communication across networks without using DCOM, improving both security and reliability.\u00a0\" } },{ \"@type\": \"Question\", \"name\": \"How do you set up OPC tunnelling? \", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"To set up OPC tunnelling:\u00a0<ol><li>Install tunneling software on server and 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connections, you\u2019re definitely not alone. Traditional OPC communication &#8211; especially in distributed environments<\/p>\n","protected":false},"author":1,"featured_media":1596,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[49],"class_list":["post-1592","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-opc-tunneling","tag-opcnet-broker"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OPC Tunnelling Setup: Step-by-Step Guide Using OPCNet Broker<\/title>\n<meta name=\"description\" content=\"Learn how to complete an OPC tunnelling setup in 15 minutes using OPCNet Broker\u00ae. 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