OPC UA Services Connect the communication program Forum › Forums › Visual Components 4.0 › Academy › OPC UA Services Connect the communication program This topic contains 2 replies, has 2 voices, and was last updated by Qq410853341 4 months, 2 weeks ago. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 27/02/2019 at 00:03 #12286 Qq410853341Participant Hello, I’m from China. Recently, when I used VC to connect to the OPC servers, VC had recognized the OPC servers, but when I entered the address to connect, an error was displayed. The error was shown in the figure below, OPC version information: National Instruments OPC servers 2013 Attachments:You must be logged in to view attached files. You need to login in order to like this post: click here 27/02/2019 at 00:05 #12400 zestyModerator I have no idea. Bad memory? What are the specs of your PC? You need to login in order to like this post: click here 28/02/2019 at 10:17 #12469 Qq410853341Participant I changed the OPCUA server software to Kepware, the problem of server connection has been solved. The reason why I could not connect to OPCUA before, I think it might be the server setting problem, which should not be the reason of my computer. You need to login in order to like this post: click here Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic.