A string value representing the part of the certificate subject Distinguished Name (DN) that will be common to all clients. It must begin with a "/" and may include OU, O, L, ST, and C values. The default value is the empty string.It is recommended that a forward - slash character "/" is used as a separator between components, as commas have been found not to work with some servers.

public string CertificateDistinguishedName { get; set; }