https://forge.codesys.com/forge/talk/CODESYS-V2/thread/a1be2d2004/2020-02-27T19:42:50.169000ZRecent posts to WebVisu Codesys V2.3 Access Error: 404 -- Not Found2020-02-27T19:42:50.169000Z2020-02-27T19:42:50.169000Zrenato-elyhttps://forge.codesys.com/u/renato-ely/https://forge.codesys.comd2af2b3d5afd8b4e938f0da13f0530db29fc5050

<div class="markdown_content"><p>Dear Sirs: I am running an application of Codesys V2.3.9.46 on SP PLCWinNT V2.4. There is a visualization named PLC_VISU. The Codesys Webserver indicates that "Socket to PLC opened successful", but the browser command (<a class="" href="http://localhost:8080/webvisu.htm" rel="nofollow">http://localhost:8080/webvisu.htm</a>) returns Access Error: 404 -- Not Found!!!<br/> Could you help me on that?<br/> Thanks,</p> <p>New information: I have "killed" the process NI Application Web Server and the error message changed to "ERR_CONNECTION_REFUSED"!</p></div>