Re: ISA Server 2004 and External Time Source

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Phillip,

Thanks for your reply. I have looked at the LIVE log and there appear to be
no errors reported when port 123 is opened and initiated. In addition to
this, I cannot ping that NTP server that you use either. ??

"Phillip Windell" wrote:

Watch the Live Log in ISA and see if anything is being blocked. You can set
the filter to only show traffic from the SBS. You may have to experiment
around a bit with the Log Filter to eliminate unrelated traffic.

If ISA is not blocking anything then you may have to try a different time
source. I use:
tick.usno.navy.mil
with a back up of...
tock.usno.navy.mil

However I don't go through an ISA to get there (I have multiple ways out to
the Net).

--
Phillip Windell [MCP, MVP, CCNA]
www.wandtv.com
-----------------------------------------------------
Understanding the ISA 2004 Access Rule Processing
http://www.isaserver.org/articles/ISA2004_AccessRules.html

Troubleshooting Client Authentication on Access Rules in ISA Server 2004
http://download.microsoft.com/download/9/1/8/918ed2d3-71d0-40ed-8e6d-fd6eeb6cfa07/ts_rules.doc

Microsoft Internet Security & Acceleration Server: Guidance
http://www.microsoft.com/isaserver/techinfo/Guidance/2004.asp
http://www.microsoft.com/isaserver/techinfo/Guidance/2000.asp

Microsoft Internet Security & Acceleration Server: Partners
http://www.microsoft.com/isaserver/partners/default.asp

Deployment Guidelines for ISA Server 2004 Enterprise Edition
http://www.microsoft.com/technet/prodtechnol/isa/2004/deploy/dgisaserver.mspx
-----------------------------------------------------



"Ripley" <Ripley@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:F967556A-C3B1-4398-816E-7A2AD3BE7408@xxxxxxxxxxxxxxxx
I am running SBS 2003 Premium with ISA Server 2004 installed. All client
computers get their time from the DC as normal. But I want to setup an
external time source, so that the DC gets it's time synchronised across
the
internet.

I found an NTP Server, and have it's IP address and FQDN name. I then read
the SBS article (http://www.isaserver.org/articles/sbstimesync.html) about
how to configure SBS and ISA. However, the article related to ISA Server
2000. I managed to find the NTP Protocol in ISA Server 2004 and it *seems*
ok, using UDP port 123. I can also see a SBS LocalHost Access Rule where
it
seems to be using this protocol. I really have no idea if these settings
are
right or not though.
After settin up all the registry settings though, I'm getting Event ID 38
and 47 reporting that the data being received from my NTP server is
invalid.
I also cannot ping the IP address of my NTP server. I'm guessing I've
missed
something somewhere in perhaps the ISA Server 2004 setup??

Can anyone shed any light on this?



.

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