Check of the Database Connection
Last updated:2025-12-03 10:43:49
Check Details
Check objective
Verify the availability of the connection between the source and target databases.
Check content
Confirm that the types of both the source and target databases are SQL Server.
Test whether the database connection parameters (server address, port, username, and password) are correct.
Verify whether the basic query feature is normal.
Potential issue
The source database or the target database cannot be connected.
Fixing Method
Check whether the network connection is normal. Ensure that the network connection is working normally.
Confirm whether the database service is running. If the database service status is abnormal, perform troubleshooting and wait until it returns to the normal status before recheck.
Verify whether the username and password are entered correctly. If you have forgotten the password, reset it before recheck.
Check whether the firewall allows the connection. For details, see Security Group or Firewall Settings on the Source Database Network or Server.
Confirm whether the SQL Server service port is opened correctly. For details, see Whether the Network Port Is Not Opened.
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