What is HADR in SQL Server ?

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What is HADR in SQL Server ?

"HADR" is a High-Availability and Disaster Recovery solution introduced in SQL Server 2011 Code Named Denali to maximize availability for one or more of your user databases. [More Information]

HADR helps to maintain :

  • Multiple Database mirroring as part of Availability Group
  • Multiple Secondary

Please check my previous post, STEP BY STEP guide to implement HADR in SQL Server 2011 / DENALI with Screenshots, for more details.

Note : Denali CTP1 supports only a single, asynchronous secondary replica.

EOF - What is HADR in SQL Server ?, SQL Server 2012 , 2008 R2 , 2008 , 2005 , 2000

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