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Using a Dedicated Administrator Connection (DAC) on SQL Server

Dedicated Administrator Connection (DAC) allows administrators emergency access to SQL Server via SQL Server Management Studio (SSMS) or via command prompt (SQLCMD utility) when SQL Server is not responding to normal connections, so that they can execute the diagnostic functions (typical set DBCC commands, DMVs and system stored procedures) to troubleshoot server-wide problems.

Checkout my article (Using a Dedicated Administrator Connection (DAC) on SQL Server) in which you will learn, how to obtain emergency access to a SQL Server Database Engine using the built-in Dedicated Administrator Connection (DAC) functionality.

This article is published on SSWUG.org.

Basit's SQL Server Tips

Basit Farooq is a Lead Database Administrator, Trainer and Technical Author. He has more than a decade of IT experience in development, technical training and database administration on Microsoft SQL Server platforms. Basit has authored numerous SQL Server technical articles, and developed and implemented many successful database infrastructure, data warehouse and business intelligence projects. He holds a master's degree in computer science from London Metropolitan University, and industry standard certifications from Microsoft, Sun, Cisco, Brainbench, Prosoft and APM, including MCITP Database Administrator 2008, MCITP Database Administrator 2005, MCDBA SQL Server 2000 and MCTS .NET Framework 2.0 Web Applications.


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