Re: refresh ad
From: Andrei Ungureanu (AndreiUngureanu_at_discussions.microsoft.com)
Date: 12/06/04
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Date: Mon, 6 Dec 2004 01:25:04 -0800
To avoid fragmentation Cisco VPN Client will reduce the MTU to 1300 on all
adapters. I hope this is the key to your problem.
Andrei Ungureanu
www.eventid.net
"jas0n" wrote:
> In article <MPG.1c1d9450ba950f6998aed7@msnews.microsoft.com>,
> geekwench@snippit.hotmail.com says...
> > circa Mon, 6 Dec 2004 00:31:15 -0000, in
> > microsoft.public.win2000.active_directory, jas0n (no@email.here)
> > said,
> > > is it possible to get a DC to completely refresh its active directory
> > > information via a command? this DC is also global catalogue for this
> > > site.
> > >
> > > ive had a few issues with it after a failed hard drive out of the raid
> > > array (it seemed to rebuild ok) ... ive just a lingering doubt!
> >
> > Is there a reason for the doubt, or is it just a kind of
> > superstition. If the latter, then I'd say just learn to live with it.
> > ;-)
>
> you asked! ..... see below
>
> > Yup.
> > >
> > Laura
> >
> >
> ;) .... ive just got a really odd situation, mainly with regards to the
> vpn tunnel from this site to the main head office where the intranet
> home page/internet proxy/exchange servers live.
>
> here's a copy of a post to another group just to give you an idea of the
> 'strangeness':-
>
> a long one ....
>
> ive a site having odd network behavoir relating to its vpn connection to
> head office. its an adsl vpn using a cisco series 800 router.
>
> internet, intranet & email access is via the vpn link to head office.
>
> initially it was fairly intermittant, had clients complaining of outlook
> synchronising failing due to network problems (they work offline and
> synch with server across the vpn)
>
> also, IE6 wasnt always able to get to its home page which is an intranet
> server. internet access via the proxy is also intermittant.
>
> then it pretty much seemed to be all systems on this site, including the
> server now have this problem.
>
> heres what ive done so far:-
>
> replaced adsl filter
> replaced cables
> replaced adsl router
> had config for this site removed, redone, confirmed on the main head
> office pix
> had config scrutinized.confirmed/redone on the adsl router
> confirmed line tests with isp are coming back good.
> virusscans with uptodate mcafee enterprise 8.0i dats 1dec, none found
> spyware, crapware detection on all systems on site, none found
> confirmed windows updates for all critical uptodate and all recommended
> relevant to the systems.
> replaced network switches (was a planned upgrade anyway)
> replaced network cables in the rack to get correct length (many were way
> too long!)
> replaced server network card and network cable.
> hosts files on all machines are default with just the 127.0.0.1
> localhost entry
>
>
> the site laptops have cisco vpn software to dial in from home or through
> network broadband .... if you use the network broadband option and
> establish a vpn with head office everything is ok and internet, intranet
> and email flows.
>
> so .... again thinking this is still an issue with head office pix/vpn
> concentrator have been through the mill with the guys contracted to look
> after it yet they are adamment it is not anything to do with that side
> .... they also have been logging stuff on the adsl cisco box and come up
> blank there.
>
> even when having these issues we can always ping, trace to the head
> office side so the vpn is up ... its as though something is blocking web
> and mail traffic somewhere but not pings, etc.
>
> anyway, i then installed the cisco vpn software onto desktop machines to
> start getting them some access to head office for these services
>
> the weird part .....
>
> once installed, these systems can then access the problem services - we
> dont even use the software to connect via vpn, we just install it but
> dont run it .... .what gives, what is being replaced that is allowing
> access ??????????
>
> _______
>
> since that post one of the hard drives failed in the raid array for the
> single DC/global catalogue onsite ..... its replaced and up and running
> fine.
>
> also, when I replaced the network card in the server it went back to
> having problems connecting over the vpn for intranet and internet access
> - yet a re-install of the cisco client software again brought that back
> to a working state .... its almost as though some sort of binding or tcp
> stack has failed and that the cisco software puts this right.
>
> if i were a gambling man id have bet my socks on it being virus /
> malware related but having been through the site thoroughly with
> virus/malware/windows updates and coming up clean anyway it was really
> annoying!
>
>
>
>
>
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