Why has SQL Server stopped?

Why SQL Server is not starting?

If files are missing or corrupted for system databases (master and/or model) SQL Server service would not start. ERROR LOG (mentioned earlier)would contain the exact database name and file name which has the problem.

What do I do when SQL Server is not responding?

You can kill SQL Server with "KILL sqlservr.exe". The KILL command is in the NT resource kit. It can then be started with NET START MSSQLSERVER. ONLY do this if SQL Server does not respond to a normal shutdown or NET STOP MSSQLSERVER command.

Can no longer connect to SQL Server?

For more information, see Viewing the SQL Server error log.1Step 1：Verify that the instance is running. ... 2Step 2: Verify that the SQL Server Browser service is running. ... 3Step 3: Verify the server name in the connection string. ... 4Step 4: Verify the aliases on the client machines. ... 5Step 5: Verify the firewall configuration.A network-related or instance-specific error occurred - SQL Server

Can't start SQL Server service?

The SQL Server Instance That Will not Start1Service account password incorrect or account locked or disabled.2Corrupt or missing master database files.3Corrupt or missing model database files.4Unable to create tempDB.5Unable to open the error log.The SQL Server Instance That Will not Start - Simple Talk - Redgate Software