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Friday, 13 September 2019

How many max connections does SQL Server allows.




To find this information we can use @@MAX_CONNECTIONS global variable.

@@MAX_CONNECTIONS in SQL Server returns maximum number of simultaneous user connections allowed. Maximum user connections allowed by SQL Server by default is 32,767; this number also depends on application and server hardware limits. This cam also be configured at server-level to avoid too many connections.
@@CONNECTIONS returns number of connection attempts (successful/failed) made to SQL Server since SQL Server is started. Since this include all attempts it can be greater than @@MAX_CONNECTIONS.

SELECT [ConnectionAttempts] = @@CONNECTIONS
        ,[MaximumAllowed] = @@MAX_CONNECTIONS

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