1) Login to mysql using admin password of plesk

===================================================
mysql -uadmin -p’pleskpassword’ -p 8306 psa
===================================================

2) Search for coldfusion values in misc table

===================================================
mysql> select * from misc where param like “cf%”;
+——————+——————-+
| param | val |
+——————+——————-+
| cf_instance_path | /opt/coldfusionmx |
| cf_instance_port | 51011 |
| cf_instance_type | server |
+——————+——————-+
3 rows in set (0.00 sec)
===================================================

3) Delete these values from the table

===================================================
mysql> delete from misc where param like “cf%”;
Query OK, 3 rows affected (0.05 sec)
===================================================

4) Quit and restart the mysql, plesk service (psa in linux).

This will uninstall Coldfusion from the server.