Checks whether SQL Server is in single-user mode

On 13 Apr, 2015

By : Charith Silva

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Sometimes SQL developers want to put some logic into their T-Sql code to check whether SQL Server running is in single-user mode . The SERVERPROPERTY() built in metadata system function can be used to identify the single-user mode. SERVERPROPERTY() function with IsSingleUser Property will return “0” for Not single user mode and “1” for Single user mode.

USE [master];
GO

SELECT CASE SERVERPROPERTY('IsSingleUser')  
WHEN 0 THEN 'No'
WHEN 1 THEN 'Yes'  
ELSE 'Unknown'
END as [Is SQL Server in single-user mode]

USE [master];

SELECT CASE SERVERPROPERTY('IsSingleUser')

WHEN 0 THEN 'No'

WHEN 1 THEN 'Yes'

ELSE 'Unknown'

END as [Is SQL Server in single-user mode]

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About The Author

Charith Silva

Charith Silva is a Microsoft certified SQL Server developer and database administrator who was graduated at Buckinghamshire New university in the UK. His career was started in 1998, primarily into Web application development, and later diversified into database development. He has got a vast experience in SQL Server database development, Database administration and Business Intelligence development. He believes that sharing the knowledge is key to the success.

Number of Posts : 87

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