Answer:
1. The Startnet server, system settings ____SQL server parameter settings ___ click test connection to see if the test is successful. If the test is unsuccessful, check whether the SQL server name (or IP) is consistent with the name of the SQL service manager. If they are inconsistent, change the server name or IP to the name of the SQL service manager.
2. Enter the SQL database background to check whether a single database instance is suspicious or damaged.