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Is active directory account must for sql server service &nbsp;to set up database mirroring. <br />
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&nbsp;does OS versions also should be same in all the three servers &nbsp;(Prinicipal, Mirror and Witness)
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Is active directory account must for sql server service  to set up database mirroring. 


 does OS versions also should be same in all the three servers  (Prinicipal, Mirror and Witness)

SETTING UP DATABASE MIRRORING FOR SQL 2008R2 DB IN WORKGROUP ENVIRONMENT

Microsoft SQL Server 2008 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. Major improvements include the  Always On technologies and support for unstructured data types.

Microsoft SQL Server 2008

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.