C# - Name der Windows-Domäne auslesen

        /// <summary>
        /// Returns the name of the NT-Domain when the computer is member of a domain.
        /// Throws an exception if the computer is not a member of a domain.
        /// </summary>
        /// <returns>Returns the full qualified name of the NT-Domain</returns>
        public static string GetDomainName()
        {
            try
            {
                ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_ComputerSystem");
                foreach( ManagementObject queryObj in searcher.Get() )
                {
                    return queryObj["Domain"].ToString();
                }
            } catch( Exception e )
            {
                throw new ManagementException("Error retrieving domain name.", e);
            }
            throw new ManagementException("Error retrieving domain name.");
        }