Unable to remove database server: A database server should not be deleted while databases or database users are hosted there

Log into Plesk

Go to Extensions > My Extensions > Repair Kit

In row Plesk Database press the button Repair:

Connect to the server via SSH in case of Linux server or connect to the server via RDP in case of Windows server

Create Plesk database backup

Run the command:

For Plesk on Linux:

# plesk repair db

For Plesk on Windows:

plesk repair db

Connect to the server via SSH in case of Linux server or connect to the server via RDP in case of Windows server

Create Plesk database backup

Access Plesk database

Find the ID of the database server in question:

select * from DatabaseServers;

Use database server ID from step 4. to find remaining database users and databases:

• Databases:

  SELECT id, name FROM data_bases WHERE db_server_id=42;
  +----+--------------+
  | id | name |
  +----+--------------+
  | 23 | database_1 |
  +----+--------------+
  1 row in set (0.00 sec)

• Database users:

  SELECT id, login FROM db_users WHERE db_server_id=42;
  +----+--------------+
  | id | login |
  +----+--------------+
  | 25 | john_doe |
  +----+--------------+
  1 row in set (0.00 sec)

Delete the records found in step 5.:

• Database:

  DELETE FROM data_bases WHERE id=23;

• Database users:

  DELETE FROM db_users WHERE id=25;