# Auto login only for white list IP **URL:** \ **Category:** Ignition\ **Tags:** vision\ **Created:** [December 9, 2025, 12:20pm UTC](https://forum.inductiveautomation.com/t/auto-login-only-for-white-list-ip/112699 "2025-12-09T12:20:04Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![pick](https://avatars.discourse-cdn.com/v4/letter/p/9de0a6/32.png) [@pick](https://forum.inductiveautomation.com/u/pick)\ **Post date:** [December 9, 2025, 12:20pm UTC](https://forum.inductiveautomation.com/t/auto-login-only-for-white-list-ip/112699/1 "2025-12-09T12:20:04Z")
**Hello,** I’m trying to set up auto-login for the Vision client on specific computers based on their IP address, while using the standard login with ID/password for other computers. I created an “AutoLogin” user with the “AutoLogin” role in the Gateway configuration under **Security \> Users, Roles**. In the Designer, I enabled auto-login with the username “AutoLogin”. Finally, I added a startup client event script: ```python pcName = system.tag.readBlocking(["[System]Client/Network/Hostname"])[0].value #------------------------ PC -------------------------------------------------------------- if pcName == "M1-5VPVJ34--": system.nav.openWindow("Main Window") #-------------------------- ROLE --------------------------------------------------------------------- else: roleToCheck = system.tag.readBlocking(["[System]Client/User/RolesString"])[0].value if roleToCheck == "AutoLogin": system.security.logout() elif roleToCheck == "Administrator" : system.nav.openWindow("windows2" ``` ```python ) ``` It work well when I am on an authorized IP but otherwise I have this message: Unexpected exception retrieving UDT definitions during component startup details: IllegalStateException Ignition v8.1.45 (b2025010709) Java: Azul Systems, Inc. 17.0.13 I am not sure this is the proper way to do it… Has anyone successfully did auto loging but just for authorized IP? ---
**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\ **Post date:** [December 9, 2025, 5:32pm UTC](https://forum.inductiveautomation.com/t/auto-login-only-for-white-list-ip/112699/2 "2025-12-09T17:32:46Z")
> [@pick](#): > > Unexpected exception retrieving UDT definitions during component startup This is _probably_ not related to what you're doing in the script. Can you copy and past the **full** details of that error message here? Use preformatted text; see [Wiki - how to post code on this forum](https://forum.inductiveautomation.com/t/wiki-how-to-post-code-on-this-forum/77831). ---
**Author:** ![pick](https://avatars.discourse-cdn.com/v4/letter/p/9de0a6/32.png) [@pick](https://forum.inductiveautomation.com/u/pick)\ **Post date:** [December 10, 2025, 10:50am UTC](https://forum.inductiveautomation.com/t/auto-login-only-for-white-list-ip/112699/3 "2025-12-10T10:50:23Z")
Thanks for your quick replly. If I comment system.security.logout() I do not have error message. Here is the full error message: ```python java.lang.IllegalStateException at com.inductiveautomation.factorypmi.application.runtime.ClientContextImpl.getTagManager(ClientContextImpl.java:542) at com.inductiveautomation.factorypmi.application.VisionClientContextDelegateAdapter.getTagManager(VisionClientContextDelegateAdapter.java:175) at com.inductiveautomation.factorypmi.application.components.util.ComponentVisitor$UDTInitVisitor.initialize(ComponentVisitor.java:138) at com.inductiveautomation.factorypmi.application.components.util.ComponentVisitor$UDTInitVisitor.visit(ComponentVisitor.java:116) at com.inductiveautomation.factorypmi.application.components.util.ComponentVisitor.walk(ComponentVisitor.java:82) at com.inductiveautomation.factorypmi.application.components.util.ComponentVisitor.walk(ComponentVisitor.java:73) at com.inductiveautomation.factorypmi.application.FPMIWindow.initializeUIRoot(FPMIWindow.java:336) at com.inductiveautomation.factorypmi.application.FPMIWindow.initialize(FPMIWindow.java:284) at com.inductiveautomation.factorypmi.application.VisionDesktop$RuntimeWindowOpener.openWindow(VisionDesktop.java:540) at com.inductiveautomation.factorypmi.application.VisionDesktop.openWindow(VisionDesktop.java:192) at com.inductiveautomation.factorypmi.application.script.builtin.NavUtilities.lambda$openWindowImpl$5(NavUtilities.java:393) at com.inductiveautomation.factorypmi.application.script.builtin.WindowUtilities.doGUIAction(WindowUtilities.java:851) at com.inductiveautomation.factorypmi.application.script.builtin.NavUtilities.openWindowImpl(NavUtilities.java:336) at com.inductiveautomation.factorypmi.application.script.builtin.NavUtilities.openWindow(NavUtilities.java:326) at com.inductiveautomation.factorypmi.application.script.builtin.NavUtilitiesDispatcher.openWindow(NavUtilitiesDispatcher.java:143) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.python.core.PyReflectedFunction.call(PyReflectedFunction.java:190) at com.inductiveautomation.ignition.common.script.ScriptManager$ReflectedInstanceFunction.call(ScriptManager.java:553) at org.python.core.PyObject.call(PyObject.java:461) at org.python.core.PyObject.call(PyObject.java:465) at org.python.pycode._pyx0.f$0(:14) at org.python.pycode._pyx0.call_function() at org.python.core.PyTableCode.call(PyTableCode.java:173) at org.python.core.PyCode.call(PyCode.java:18) at org.python.core.Py.runCode(Py.java:1703) at com.inductiveautomation.ignition.common.script.ScriptManager.runCode(ScriptManager.java:804) at com.inductiveautomation.ignition.common.script.ScriptManager.runCode(ScriptManager.java:773) at com.inductiveautomation.ignition.common.script.ScriptManager.runCode(ScriptManager.java:740) at com.inductiveautomation.factorypmi.application.FPMIApp.startup(FPMIApp.java:498) at com.inductiveautomation.factorypmi.application.runtime.ClientPanel.lambda$startupApp$8(ClientPanel.java:911) at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.desktop/java.awt.EventQueue$4.run(Unknown Source) at java.desktop/java.awt.EventQueue$4.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.desktop/java.awt.EventDispatchThread.run(Unknown Source) Ignition v8.1.45 (b2025010709) Java: Azul Systems, Inc. 17.0.13 ``` ---
**Author:** ![pick](https://avatars.discourse-cdn.com/v4/letter/p/9de0a6/32.png) [@pick](https://forum.inductiveautomation.com/u/pick)\ **Post date:** [December 10, 2025, 10:56am UTC](https://forum.inductiveautomation.com/t/auto-login-only-for-white-list-ip/112699/4 "2025-12-10T10:56:00Z")
You were right if I remove “open on start up” option on the Main Window in the disigner do do not have the error. Thanks