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Server Properties - Connections Page

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Applies to: SQL Server

Use this page to view or modify your connection options.

Connections

Maximum number of concurrent connections (0 = unlimited)
If set to a value other than zero, limits the number of connections that SQL Server will allow.

Caution

Setting this to a small value, such as 1 or 2, can prevent administrators from connecting to administer the server; however, the Dedicated Admin Connection can always connect.

Default Connection Options

Default connection options
Specifies the default connection options, as described in the following table.

Configuration option Description
disable deferred constraint checking Controls interim or deferred constraint checking.
implicit transactions Controls whether a transaction is started implicitly when a statement is run.
cursor close on commit Controls behavior of cursors after a commit operation has been performed.
ansi warnings Controls truncation and NULL in aggregate warnings.
ansi padding Controls padding of fixed-length variables.
ansi nulls Controls NULL handling when using equality operators.
arithmetic abort Terminates a query when an overflow or divide-by-zero error occurs during query execution.
arithmetic ignore Returns NULL when an overflow or divide-by-zero error occurs during a query.
quoted identifier Differentiates between single and double quotation marks when evaluating an expression.
no count Turns off the message returned at the end of each statement that states how many rows were affected.
ansi null default on Alters the session's behavior to use ANSI compatibility for nullability. New columns defined without explicit nullability are defined to allow nulls.
ansi null default off Alters the session's behavior not to use ANSI compatibility for nullability. New columns defined without explicit nullability are defined not to allow nulls.
concat null yields null Returns NULL when concatenating a NULL value with a string.
numeric round abort Generates an error when a loss of precision occurs in an expression.
xact abort Rolls back a transaction if a Transact-SQL statement raises a run-time error.

For more information on connection options, search Books Online for the specific option.

Remote Server Connections

Allow remote connections to this server
Controls the execution of stored procedures from remote servers running instances of SQL Server. Selecting this check box has the same effect as setting the sp_configureremote access option to 1. Clearing it prevents execution of stored procedures from a remote server.

Remote query timeout (in seconds, 0 = no timeout)
Specifies how long (in seconds) a remote operation may take before SQL Server times out. The default is 600 seconds, or a 10-minute wait.

Require distributed transactions for server-to-server communication
Protects the actions of a server-to-server procedure through a Microsoft Distributed Transaction Coordinator (MS DTC) transaction. For more information, see Configure the remote proc trans Server Configuration Option.

Property Page Display Options

Configured Values
Displays the configured values for the options on this pane. If you change these values, click Running Values to see whether the changes have taken effect. If they have not, the instance of SQL Server must be restarted first.

Running Values
View the currently running values for the options on this pane. These values are read-only.

See Also

Options (Query Execution: SQL Server: Advanced Page)
Server Configuration Options (SQL Server)