# OPC-UA Server devices not connecting

**URL:** <https://forum.inductiveautomation.com/t/opc-ua-server-devices-not-connecting/41217>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [December 4, 2020, 5:35pm UTC](https://forum.inductiveautomation.com/t/opc-ua-server-devices-not-connecting/41217 "2020-12-04T17:35:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sanket.goje](https://avatars.discourse-cdn.com/v4/letter/s/7cd45c/32.png) [@sanket.goje](https://forum.inductiveautomation.com/u/sanket.goje)\
**Post date:** [December 4, 2020, 5:35pm UTC](https://forum.inductiveautomation.com/t/opc-ua-server-devices-not-connecting/41217/1 "2020-12-04T17:35:29Z")

</div>

Some of the PLC device connection is not going through successfully. I can ping the device IP, but on the gateway, in the list of the devices, they don’t get connected. It tries to reconnect and fails.  
I haven’t change any setting, it was working fine in the past.