You experience poor performance when you use Kerberos authentication to connect to lots of remote computers at the same time from a computer that is running Windows Server 2008 or Windows VistaYou experience poor performance when you use Kerberos authentication to connect to lots of remote computers at the same time from a computer that is running Windows Server 2008 or Windows Vista

You experience poor performance when you use Kerberos authentication to connect to lots of remote computers at the same time from a computer that is running Windows Server 2008 or Windows Vista

https://support.microsoft.com/default.aspx?scid=kb;EN-US;2028484