Unlink Sophos UTM from SUM
- From the UTM Dashboard choose Management → Central Managment
- Clear the information under SUM settings
- Scroll down to the SUM Objects section and press Cleanup Objects
- You should now be able to modify rules created by a previous SUM link and link to a new one if desired.
Snippet from Sophos on the subject:
![](https://files.helpdocs.io/fstz1clyhf/articles/0hhx5hfo8l/1656088215492/2022-06-24-11-22-26.png)