-> I had to start SQL server in single user mode. I opened services.msc and then right clicked SQL Services and noted down the “Service name”,
-> I then started SQL Services in single user mode using below command from command prompt,
net start MSSQL$IN2019 /m
-> It started fine, I tried connecting to the SQL server using SQLCMD and got below error,
Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : Login failed for user ”. Reason: Server is in single user mode. Only one administrator can connect at this time..
-> I tried connecting to SQL Server using SQL Server management Studio and got below same error,
TITLE: Connect to Server
Cannot connect to JBResearch\IN2019.
Login failed for user ”. Reason: Server is in single user mode. Only one administrator can connect at this time. (Microsoft SQL Server, Error: 18461)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=18461&LinkId=20476
-> I stopped SQL services and also stopped all other SQL related services,
-> I then used below query to start the SQL server in single user mode that allows only SQLCMD to make connection,
Net Start MSSQL$IN2019 /m”SQLCMD”
-> It worked fine this time.
-> If you want to use SQL Server Management studio instead of SQLCMD, then you can use below command,
net start MSSQL$IN2019 -m"Microsoft SQL Server Management Studio - Query"
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