Mocht de IASO reg folder te groot worden, kan je de volgende stappen ondernemen:

to resolve the issue please follow with the next steps: 
1. Stop Backup Service Controller service 
2. Open CMD.exe from administrator 
3. Navigate to C:\Program Files\Backup Manager in your cmd window 
4. Execute: ClientTool.exe br.clean 
5. When command finished start Backup Service Controller service and check the memoty utilization