ENM 8.3 SEEG.exe error while trying to refresh tags, dll file has already loaded from a different location
Issue
After applying a patch to ENM, user cannot refresh tags. The error message suggests a service is not running however all services are running. In the ENM event log the following message is included
"API restriction: The assembly 'file:///C:\Program Files (x86)\Schneider Electric\StruxureWare Solutions\Event Gathering Service\[some file name].dll' has already loaded from a different location. It cannot be loaded from a new location within the same app domain.
Product Line
Power Monitoring Expert 7.2
Power Monitoring Expert 8.x
Power Monitoring Expert 9.x
Power Monitoring Expert 2021
Power Monitoring Expert 2022
Power Monitoring Expert 2023
Power Monitoring Expert 2024
Environment
Applying patch to update dll file
Resolution
The likely cause is because the updated dll and original dll (with a different name) are in the same folder. Move the old dll file to a new location and restart the Event Gathering Service.