Configuration: rename the default database
By default, when you install Exchange, a database is created with a name of type: Mailbox Database 123456789. Here’s how to rename the database.
1. From the ECP interface, go to servers 1 / databases 2 . Select the default database 3 and click on the modification icon 4 .
2. Rename base 1 and click Save 2 .
3. The base is renamed in the ECP interface.