# Connecting DeltaV OPC DA server to Ignition

**URL:** <https://forum.inductiveautomation.com/t/connecting-deltav-opc-da-server-to-ignition/34893>\
**Category:** Ignition\
**Created:** [May 19, 2020, 6:24pm UTC](https://forum.inductiveautomation.com/t/connecting-deltav-opc-da-server-to-ignition/34893 "2020-05-19T18:24:55Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**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:** [May 19, 2020, 6:36pm UTC](https://forum.inductiveautomation.com/t/connecting-deltav-opc-da-server-to-ignition/34893/4 "2020-05-19T18:36:11Z")

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Hmm. I don’t know enough about DCOM to be much help. There’s some other threads about DeltaV, like [this one](http://forum.inductiveautomation.com/t/opc-com-connection-between-64-and-32-bit-systems/11143/3), that suggest making sure you have a 64-bit OPC Core Components installed, and [this one](http://forum.inductiveautomation.com/t/opc-da-errors/8003/2), that suggest the Ignition service also needs to be set up to run as an interactive user.

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