# Opc-ua failover problem

**URL:** <https://forum.inductiveautomation.com/t/opc-ua-failover-problem/8083>\
**Category:** Ignition\
**Created:** [February 28, 2014, 11:13pm UTC](https://forum.inductiveautomation.com/t/opc-ua-failover-problem/8083 "2014-02-28T23:13:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![aram.sogo](https://avatars.discourse-cdn.com/v4/letter/a/ecae2f/32.png) [@aram.sogo](https://forum.inductiveautomation.com/u/aram.sogo)\
**Post date:** [February 28, 2014, 11:13pm UTC](https://forum.inductiveautomation.com/t/opc-ua-failover-problem/8083/1 "2014-02-28T23:13:28Z")

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Hi Dear Ignition team

I have 2 PC with kepware opc servers and one PC with Ignition ,

In Ignition settings opc servers part i added one opc-ua as main server and second as failover but when

the main opc server is fails the Ignition is not connection to failover opc

connection with both opc servers is ok i try to add both as separate opc servers in Ignition  
can you help me setup this option.

Thanks in advance

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**Author:** ![zackscriven](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/zackscriven/32/7213_2.png) [@zackscriven](https://forum.inductiveautomation.com/u/zackscriven)\
**Post date:** [March 23, 2014, 7:07pm UTC](https://forum.inductiveautomation.com/t/opc-ua-failover-problem/8083/2 "2014-03-23T19:07:40Z")

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Is the connection of the first OPC server going to “failed”

Is the same project file loaded on both kepware servers?  
Are they using the same password?

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**Author:** ![anna](https://avatars.discourse-cdn.com/v4/letter/a/779978/32.png) [@anna](https://forum.inductiveautomation.com/u/anna)\
**Post date:** [June 2, 2014, 9:47pm UTC](https://forum.inductiveautomation.com/t/opc-ua-failover-problem/8083/3 "2014-06-02T21:47:30Z")

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Also, do both have Ignition’s certificate as “Trusted”?

Additionally, a log export would help.