Checking Whether the Source Database server_id Meets the Incremental Migration Requirements

**Table 1** Checking whether the source database server_id meets the incremental migration requirements
Check Item	Whether the source database server_id meets the incremental migration requirements
Description	Check whether the source database server_id meets the incremental migration requirements.
Failure Cause and Handling Suggestion	Failure cause: This item cannot be checked because the source database failed to be connected. Handling suggestion: Check whether the source database is connected.
	Failure cause: Insufficient user permissions Handling suggestion: Check whether the database user permissions meet the migration requirements.
	Failure cause: The source database server_id does not meet the incremental migration requirements. Handling suggestion: Run the following command to modify the server_id value: set global server_id=n The value n indicates the source database server_id. If the source database version is MySQL 5.6, the value n ranges from 2 to 4294967296. Otherwise, the value n ranges from 1 to 4294967296.