# Accessing Siemens S7-1500 OPC UA server

**URL:** <https://forum.inductiveautomation.com/t/accessing-siemens-s7-1500-opc-ua-server/34735>\
**Category:** General Discussion\
**Created:** [May 14, 2020, 8:38am UTC](https://forum.inductiveautomation.com/t/accessing-siemens-s7-1500-opc-ua-server/34735 "2020-05-14T08:38:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![shivatkp](https://avatars.discourse-cdn.com/v4/letter/s/a88e4f/32.png) [@shivatkp](https://forum.inductiveautomation.com/u/shivatkp)\
**Post date:** [May 14, 2020, 8:38am UTC](https://forum.inductiveautomation.com/t/accessing-siemens-s7-1500-opc-ua-server/34735/1 "2020-05-14T08:38:20Z")

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Data from Siemens controller S7-1500 OPC UA not visible to Ignition OPC client after upgrading from V8.0.2 to V8.0.11. too many bad quality errors. when tested with other 3rd party OPC server no such issues were observed. Is there any new feature added which prevents data reading?