Re: Wireless connection problem from XP Pro SP2 to SBS 2003

Looked in the ISA console and "Enforce strict RPC compliance" is not checked,
"enable" is checked.

I will look through the link you've provided and see if I can find a similar
issue.

"Dave Nickason [SBS MVP]" wrote:

See if there's any help here
http://eventid.net/display.asp?eventid=13&eventno=2719&source=AutoEnrollment&phase=1.

Also, on the SBS, open the ISA console. In the left pane, r-click Firewall
Policy and choose Edit System Policy. In the resulting window, find
Authentication Services in the left pane, and under that, choose Active
Directory. Is the box called "Enforce strict RPC compliance" checked? If
so, uncheck it and click the Apply button at the top of the console. The
"Enable" box should be left checked.

Strict RPC compliance will block certificate auto enrollment, so that could
be part of the problem if it's checked. If so, after making the change,
reboot the workstation and see if you still get the error.

Normally, I'd think having a working workstation would rule that out.
However, since others have been involved in the configuration of this
network, I'm thinking that one of them may have manually installed the
certificate on the working workstation, or that they enabled strict RPC
compliance after that workstation was configured.



"Cuervolush" <Cuervolush@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:02C0BA16-3DDB-45FF-8DE8-1FB93E25A621@xxxxxxxxxxxxxxxx
Hi Dave

I've checked in CP -> Windows Firewall but there is no properties, just a
General, Exceptions, and Advanced tab. No where on any of these screens do
I
see it say Domain or Non-Domain. NLA was started but Manual, so I went
ahead
and made it automatic anyway and rebooted without success.

I just now found out that we are indeed running ISA, however we do have a
workstation in the office that is running wirelessly correctly.


"Dave Nickason [SBS MVP]" wrote:

Please go to CP -> Windows Firewall and open the properties. At the
bottom
of the first tab, does it say it's using your Domain or Non-Domain
settings?
If non-domain, please set the Network Location Awareness service to
Automatic startup and reboot the workstation.

Do you have other wireless computers that are functioning as expected?
If
so, please resist the temptation to mess with anything on the server. It
appears that auto-enrollment is failing on that one PC, which is almost
certainly not a server or CA issue.

Are you running ISA? That can prevent auto-enrollment, and the fix is to
disable strict RPC compliance. Post back if you need more info on doing
that (and note it would only apply if there are no PCs where auto
enrollment
is working).

"Cuervolush" <Cuervolush@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:01A6F8E8-6FC8-4E83-89F1-62177BDE0DFE@xxxxxxxxxxxxxxxx
Our office is running SBS2003 and we recently had to rebuild a
workstation. After the rebuild, I can no longer connect wirelessly to
the server. In Event Viewer I get the following:

Autoenrollment | Event 13

Automatic Certificate Enrollment for local system failed to enroll
for one Computer certificate. (0x800706ba). The RPC Server is
unavailable.

The wireless connection continuously tries to log in but comes back
with
status: Authentication Failed.

I've searched a bunch of places with this error but haven't been able
to find an identical issue with a solution.

Unfortunately I did not set this server up, and have somewhat limited
knowledge on the server side of things but know enough to be
dangerous. Any help would be much appreciated and I would be happy to
provide any more information that would help in solving this problem.

Thanks





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