How to find SQL Servers Located in "Relative" Domains

I want to find programatically (with C# code) ALL the SQL servers in relative domains - "brothers", "sons" or "father" domain.

It can be 开发者_如何转开发done with WMI queries for each domain in the global catalog - but maybe you know about simpler way??

Thank you in advance.

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You can use:

SqlDataSourceEnumerator.Instance.GetDataSources() 

which return a DataTable with SQL Server instances available.