# \[Bug-7829\] Ignition upgrade to 8.1.28 failed

**URL:** <https://forum.inductiveautomation.com/t/bug-7829-ignition-upgrade-to-8-1-28-failed/74527>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [June 3, 2023, 8:28am UTC](https://forum.inductiveautomation.com/t/bug-7829-ignition-upgrade-to-8-1-28-failed/74527 "2023-06-03T08:28:50Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![Tom\_Beard](https://avatars.discourse-cdn.com/v4/letter/t/ecb155/32.png) [@Tom\_Beard](https://forum.inductiveautomation.com/u/Tom_Beard)\
**Post date:** [December 14, 2023, 2:23am UTC](https://forum.inductiveautomation.com/t/bug-7829-ignition-upgrade-to-8-1-28-failed/74527/21 "2023-12-14T02:23:34Z")

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This is still present in 8.1.35. Upgraded from 8.1.16.  
Just a heads up to others, you only need to add the extra backslash in the "install-info.txt" file and then restart the gateway.

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