**Table 1** Checking whether the destination database is connected
Check Item	Whether the destination database is connected
Description	Check the connectivity and accuracy of the IP address, port number, username, and password of the destination database.
Failure Cause and Handling Suggestion	Failure cause: The connection fails. Handling suggestion: Configure the network by referring to "Network Types" in section Real-Time Migration.
	Failure cause: Incorrect username or password Handling suggestion: Check whether the input username and password for the connection test are correct.
	Failure cause: The database account does not allow remote connections. Handling suggestion: Run the following command to create a user that allows remote connections. After the migration, delete this user. CREATE USER 'Account' @ '%' IDENTIFIED BY 'Password'
	Failure cause: The database is unavailable. Handling suggestion: Contact technical support.

**Table 2** Checking whether the destination database is connected
Check Item	Whether the destination database is connected
Description	Check the connectivity and accuracy of the IP address, port number, username, and password of the destination database.
Failure Cause and Handling Suggestion	Failure cause: The connection fails. Handling suggestion: Configure the network by referring to "Network Types" in section Real-Time Migration.
	Failure cause: Incorrect username or password Handling suggestion: Check whether the input username and password for the connection test are correct.
	Failure cause: The database is unavailable. Handling suggestion: Contact technical support.
	Failure cause: An internal error occurs. Handling suggestion: Contact technical support.
	Failure cause: SSL connection parameters are not configured. Handling suggestion: Contact technical support.

Checking Whether the Destination Database Is Connected