How to check open connections to a Progress database:

proenv>e:
nav to DB file dir

proenv>cd progress\databases\customerDB

proenv>promon databaseName

use Promon instructions to view various statuses of the db and users

1. User Control
2. Locking and Waiting Statistics
3. Block Access
4. Record Locking Table
5. Activity
6. Shared Resources
7. Database Status
8. Shut Down Database

ETC...