# OPC-UA connection fail w/ Maple Systems cMT5151 **URL:** \ **Category:** Ignition\ **Created:** [April 27, 2017, 6:43pm UTC](https://forum.inductiveautomation.com/t/opc-ua-connection-fail-w-maple-systems-cmt5151/14154 "2017-04-27T18:43:22Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![BrandonSHill](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/brandonshill/32/6805_2.png) [@BrandonSHill](https://forum.inductiveautomation.com/u/BrandonSHill)\ **Post date:** [April 27, 2017, 6:43pm UTC](https://forum.inductiveautomation.com/t/opc-ua-connection-fail-w-maple-systems-cmt5151/14154/1 "2017-04-27T18:43:22Z")
Figured I’d ask here first. We are testing out using the cMT5151 from Maple Systems (HMI w/ built-in OPC-UA server & a ton of PLC drivers). Having issues adding it to the Ignition Gateway. So everything appears correct except Ignition Gateway only presents these options. The options are correct as far as type of security, but it has all 0s for IP address, even though I punched in correct IP address above. ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/e/ec472336244b12b7934755dbf31888a48a5d645a.PNG) Thoughts? Also, this is on 7.9.2 ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [April 27, 2017, 8:20pm UTC](https://forum.inductiveautomation.com/t/opc-ua-connection-fail-w-maple-systems-cmt5151/14154/2 "2017-04-27T20:20:28Z")
Your server is (mis)configured to return endpoint URLs containing “0.0.0.0”, which you obviously won’t be able to connect to. Select one of them anyway, then afterwards go to the advanced settings for the UA connection and put the same 172 address you used to discover endpoints into the “Host Override” setting.