How can I better query multiple domains in Active Directory using C#?

Question

I am attempting to expand a LDAP / AD search from only searching in the currently logged in domain to searching all domains in the AD. The method takes in the string with th

Answer 1

Querying the global catalog is the correct approach.

You might want to look into Ambigous Name Resolution (ANR) - http://support.microsoft.com/kb/243299.