Integrity constraint (PROTECT.AGENTGROUPATTRIBUTERESULT_FK2) violation prevents all other attributes to be persisted.
With Agent Groups, when you install the last restored database backup,
follow this procedure to avoid problems.
After a clean install of the Enforce Server, delete all Attributes caches
maintained on all Endpoint servers and restart all Endpoint servers. This
ensures that the Endpoint servers will resend all applications attributes.
Here are the steps to delete the Attributes cache on an Endpoint server:
1. Log in to the Enforce Server and stop all Endpoint servers.
2. On the Endpoint server installation host, locate the
3. Delete all files in this folder.
4. Restart the Endpoint servers from the Enforce Server.
Reinstalling the last restored database backup for Data Loss Prevention Agent Groups.