What Should I Do If My Database Fails to be Connected?

Symptom

When UGO connected to a database, an error message was displayed, indicating that the connection failed.

Figure 1 Error message

Possible Causes

1. The database connection information is incorrect.
2. The database user does not have permissions required to connect to the database.
3. The network between the database and UGO is disconnected.
4. The database firewall restricts UGO access to the database.
5. There are too many connections to the database.

Solution

1. Correct the database connection information.
2. Grant the connection permissions to the user.
3. Ensure that the network between the database and UGO is connected.
4. Allow UGO to access the database.
5. Adjust the maximum number of connections for the database.