# I have a question about redundancy.

**URL:** <https://forum.inductiveautomation.com/t/i-have-a-question-about-redundancy/83094>\
**Category:** Ignition\
**Tags:** redundancy\
**Created:** [December 13, 2023, 3:37pm UTC](https://forum.inductiveautomation.com/t/i-have-a-question-about-redundancy/83094 "2023-12-13T15:37:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![JAEYEON\_MOON](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@JAEYEON\_MOON](https://forum.inductiveautomation.com/u/JAEYEON_MOON)\
**Post date:** [December 13, 2023, 3:37pm UTC](https://forum.inductiveautomation.com/t/i-have-a-question-about-redundancy/83094/1 "2023-12-13T15:37:48Z")

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The connection between the master PC and the backup PC is good, but I would like to know that if the master PC is disconnected, it will change to the backup PC interface.  
For now, if the master PC is disconnected, it remains in the master PC interface.  
Address value must be changed from 220 to 230

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/6/0/60413e73b7136fe69d0fb8f01ad7c6011cd84650.png)

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**Author:** ![victordcq](https://avatars.discourse-cdn.com/v4/letter/v/f6c823/32.png) [@victordcq](https://forum.inductiveautomation.com/u/victordcq)\
**Post date:** [December 13, 2023, 3:59pm UTC](https://forum.inductiveautomation.com/t/i-have-a-question-about-redundancy/83094/2 "2023-12-13T15:59:28Z")

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[https://docs.inductiveautomation.com/display/DOC81/Setting+Up+Redundancy](https://docs.inductiveautomation.com/display/DOC81/Setting+Up+Redundancy)