# In place upgrade from 7.9 to 8.1 **URL:** \ **Category:** Ignition\ **Tags:** ignition81, ignition79\ **Created:** [June 22, 2023, 3:46pm UTC](https://forum.inductiveautomation.com/t/in-place-upgrade-from-7-9-to-8-1/75404 "2023-06-22T15:46:01Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![szcz](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@szcz](https://forum.inductiveautomation.com/u/szcz)\ **Post date:** [June 22, 2023, 3:46pm UTC](https://forum.inductiveautomation.com/t/in-place-upgrade-from-7-9-to-8-1/75404/1 "2023-06-22T15:46:01Z")
Dear all, we have problem upgrading our Ignition 7.9 to 8.1. This is a test VM to see if all the projects survive the upgrade, hence it is not licensed. Anyway, while upgrade is running, the 2-hour trial takes place. I have tried ordinary tools from my toolbelt (e.g. running installer as an administrator, give proper permissions to folder where Ignition is installed (r/w for everyone during the installation)), yet I don't have any luck. ![1](https://us1.discourse-cdn.com/inductiveautomation/original/3X/7/a/7a7bc4956334c4475ec39bbd639dd82703fbd10d.png) ![2](https://us1.discourse-cdn.com/inductiveautomation/original/3X/2/0/20ef032db7ce26ebd628fc29f298e8c87bff15cb.png) ![3](https://us1.discourse-cdn.com/inductiveautomation/original/3X/5/5/55c1ef75d0e831f06e2cf12649047fa75745c311.png) The problems manifest themselves with what the screenshots show. [install\_20230622-1600.log](https://forum.inductiveautomation.com/uploads/short-url/ogqeHaa7Z9ucbkx8bUYRGqA2vln.log) (13.8 KB) Log from the installer is also attached. I have read through the log, but I am not finding anything moving me forward. Thank you in advance. ---
**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\ **Post date:** [June 22, 2023, 3:50pm UTC](https://forum.inductiveautomation.com/t/in-place-upgrade-from-7-9-to-8-1/75404/2 "2023-06-22T15:50:18Z")
> java.nio.file.FileSystemException: C:\Program Files\Inductive Automation\Ignition\lib\catapult.jar -\> C:\Users\adm.xyz\AppData\Local\Temp\11\_ignition\_preinstall\_temp12179683200774121723\lib\catapult.jar: The process cannot access the file because it is being used by another process. Overzealous security software, perhaps? A random .jar file in a temp directory should absolutely not be 'in use' by anything besides Ignition itself. Talk to your IT department. ---
**Author:** ![szcz](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@szcz](https://forum.inductiveautomation.com/u/szcz)\ **Post date:** [June 22, 2023, 3:58pm UTC](https://forum.inductiveautomation.com/t/in-place-upgrade-from-7-9-to-8-1/75404/3 "2023-06-22T15:58:42Z")
Thank you for blazingly fast feedback! AFAIK we don't have applocker on servers, I'll chase IT department nevertheless (it could be different form of protection). Thank you! ---
**Author:** ![Matthew.gaitan](https://avatars.discourse-cdn.com/v4/letter/m/59ef9b/32.png) [@Matthew.gaitan](https://forum.inductiveautomation.com/u/Matthew.gaitan)\ **Post date:** [June 22, 2023, 4:07pm UTC](https://forum.inductiveautomation.com/t/in-place-upgrade-from-7-9-to-8-1/75404/4 "2023-06-22T16:07:31Z")
I ran into the same issue when upgrading from 7.9 to 8.1. I ended up just taking a backup, uninstalling 7.9, installing 8.1 and restoring the backup. The only "security" software on this host is "CrowdStrike Falcon Sensor". Maybe you have that or a similar piece of software installed. ---
**Author:** ![szcz](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@szcz](https://forum.inductiveautomation.com/u/szcz)\ **Post date:** [June 26, 2023, 11:22am UTC](https://forum.inductiveautomation.com/t/in-place-upgrade-from-7-9-to-8-1/75404/5 "2023-06-26T11:22:28Z")
Hello all, the main reason was that the administrator installing the 8.1 had Gateway launcher utility running as I have learned afterwards. Hence the installer could not touch this file. Terminating the process of gateway utility has solved the problem. I hope this helps to others having similar problems.