Sunday, November 21, 2010

Dedicated Administrator Connection (DAC)

The DAC allows an dba to access a SQL Server to troubleshoot problems. You can connect using either SQLCMD or SSMS.

DAC is working with port 1434 to allow client connection from Remote computers

To enable DAC for a remote computer,

sp_configure 'remote admin connections', 1;
go

In the Connect to Database Engine dialog box, in the Server name box, type ADMIN: followed by the name of the server instance. For example, to connect to a server instance named UKDEVSQL\HRMS,
type ADMIN:UKDEVSQL\HRMS

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