Currently SQL Server is not supported on Windows 11 and several user already reported issues regarding Win11 + SQL.
Why MS sql server not working after I updated the windows 11?
I am using ms sql server after update the Laptop od win10 to win11 sql ms sql not waorking
the following error occur
Windows for business Windows Client for IT Pros User experience Other
SQL Server Other
2 additional answers
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YufeiShao-msft 7,146 Reputation points
2021-12-22T07:06:32.163+00:00 HI @JAYAKUMAR AJ ,
Up to now, win11 only supports for SQL 2017 and SQL 2019, if your SQL Server version meets the requirements, you can try to reinstall or delete and Create the instance according to this thread
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JAYAKUMAR AJ 21 Reputation points
2021-12-22T09:02:48.257+00:00 Now I am going back to Windows 10
Due to MSSQL not working