Hi @Krishna Kamal Mandava ,
> windows service start gives error 3414.
This error can be caused by a transient condition that existed on the system during a given attempt to start up the server instance or to recover a database.
For information about the cause of this occurrence of error 3414, examine the Windows Event Log or ERROR LOG for a previous error that indicates the specific failure. This helps the user to resolve the issues by applying the appropriate method.
If the errors cannot be corrected, please using the replace the model files from another instance that has same version as Erland mention.
Please refer to the blog SQL Server Error 3414: Windows could not start the SQL Server on Local Computer or MS document MSSQLSERVER_3414 to get more information.
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