internal static string GetConfigurationDomainControllerFqdn(string domainController)
{
if (string.IsNullOrEmpty(domainController))
{
return(ADSession.GetCurrentConfigDCForLocalForest());
}
Fqdn fqdn;
if (!Fqdn.TryParse(domainController, out fqdn) || 0 >= domainController.IndexOf('.'))
{
domainController = Dns.GetHostEntry(domainController).HostName;
}
return(domainController);
}