April 26, 2015

How to delete AUC files

During many development we face some cache related issues. There is no error in code and still changes are not reflecting. Even after performing CIL, Compile and Sych but issue still existing. All these are happened due to ax_{GUID}.auc files. We need to clear(delete) these files from Appdata folder.
To delete AUC(Application Unicode Cache) files we need to perform below steps.
1. Stop AOS
2. Delete AUC files from below path
3. Restart AOS.
PS: AOS restart is not mandatory. Its better to do it in this way however it will work without AOS restart.
More details on AUC


  1. del "%userprofile%\AppData\Local\*.auc"

    del "%userprofile%\AppData\Local\*.kti"

  2. Can't we skip AOS stop and then delete .auc files. Basically not touching the AOS.

    1. AOS should be stopped, else system might not allow you to delete these files. Give a try how it behave, I dont have 2012/2009 instance with me so cant try my own.

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