https://learn.microsoft.com/en-us/dotnet/api/system.directoryservices.activedirectory.domain.verifyoutboundtrustrelationship?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
Domain.VerifyOutboundTrustRelationship(String) Method (System.DirectoryServices.ActiveDirectory) |...
Verifies that a previously established outbound trust with the specified domain is valid.
domainstringmethodsystemactivedirectory