Windows Server - cannot connect vista to vista.

Asked By breBil

31-Jul-07 12:46 PM

I'm not sure if this is the right place to ask, so please let me know.

We cannot connect from one vista machine to another vista machine using
remote desktop connection.  When we try using a domain user account, we ge
the error "No authority could be contacted for authentication."  I have
searched quite a bit in vain.  It would be helpful if anyone can shine some
light on this problem.

These are windows vista enterprise and windows vista ultimate computers
added to our domain.  We can connect to the machines using local accounts.  I
tried adding the domain user to the administrators account, but that does not
help.

I'm not sure what the next troubleshooting step would be, so please suggest
your thoughts.

Thank you,
--------------------
Bill Cochran

31-Jul-07 04:14 PM

Usually, this error means that you cannot access a DC (Domain Controller)
from your client machine.

--
This posting is provided "AS IS" with no warranties, and confers no rights.

31-Jul-07 05:00 PM

I agree, but we can sign on to the domain on each of the vista machines.  In
fact, we use these machines for developing software.  I found that I can get
a remote desktop connection if i add 'enablecredsspsupport:i:0' to the .rdp
file.  This makes the inital authentication prompt go away, the connection is
established and then I can sign in.  In some cases we still get an error
saying something about Network Authentication being needed prior to making a
connection.  It's odd this new error is hit or miss, but we haven't
researched it much.  I'm looking into CredSSP for further information.  If
you have any further thoughts, I'd be happy to hear them.  Thank you for the
response.
--
--------------------
Bill Cochran

31-Jul-07 05:41 PM

That's not the recommended way to solve the issue.

I think that you'll have to use the syntax "MyDomain\MyUserName"
when trying to connect. Leaving out the "MyDomain" part can cause
the rdp client to try to log you on with a local user account.

Check this page:
Vista Remote Desktop Connection Authentication FAQ
http://blogs.msdn.com/ts/archive/2007/01/22/vista-remote-desktop-
connection-authentication-faq.aspx

_________________________________________________________
Vera Noest
MCSE, CCEA, Microsoft MVP - Terminal Server
TS troubleshooting:  http://ts.veranoest.net
___ please respond in newsgroup, NOT by private email ___

=?Utf-8?B?YnJlQmlsbA==?= <breBill@> wrote
on 31 jul 2007 in microsoft.public.windows.terminal_services:

31-Jul-07 06:48 PM

i do use domain\user for the userid.  i actually tried all the different ways
of specifying/not specifying the userid...no combination get's rid of the
error.

based on Mr. Kuzin's post before, how can the connection to the domain
controller from the remote desktop connection software be tested/verified?
--
--------------------
Bill Cochran

31-Jul-07 07:08 PM

Enable auditing on both clients and check the EventLogs.
If there's a problem contacting a DC, you will see an error or
warning there.
_________________________________________________________
Vera Noest
MCSE, CCEA, Microsoft MVP - Terminal Server
TS troubleshooting:  http://ts.veranoest.net
___ please respond in newsgroup, NOT by private email ___

=?Utf-8?B?YnJlQmlsbA==?= <breBill@> wrote
on 01 aug 2007 in microsoft.public.windows.terminal_services: