Re: NLB with Exch 2003

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance

From: Neil Hobson [MVP] (neil.hobson_at_nospam.silversands.co.uk)
Date: 02/19/04


Date: Thu, 19 Feb 2004 15:49:44 -0000

Yup, that's it, NLB front-ends with clustered back-ends. Whilst NLB will
redirect you to another machine, it's the storage where the mailbox is
that's the problem. Even clusters have shared storage.

-- 
Neil Hobson
Exchange MVP
For Exchange news, links and tips, check:
http://www.msexchange.co.uk
<anonymous@discussions.microsoft.com> wrote in message
news:12c4f01c3f66b$81bfa560$a601280a@phx.gbl...
> Thanks, but don't the NLB computers look like one on the
> network and to the world.  Doesn't that resolve the
> mailbox problem?  I may be naive about NLB, but I thought
> it was basically was two computers that were like a
> mirrored set of drives.
>
> So is the failure protection scenario require the front-
> end/back-end configuration, possibly NLB front-ends and
> clustered back-ends?
>
> My goal is to be able to take any one computer down
> completely and not lose service.
>
> Thanks.
>
>
> >-----Original Message-----
> >The main problem is that you cannot replicate mailboxes
> between two Exchange
> >servers.  You need to look into clustering if you want to
> provide the
> >hardware failure protection that you are looking for.
> >
> >-- 
> >Neil Hobson
> >Exchange MVP
> >
> >For Exchange news, links, and tips, check:
> >http://www.msexchange.co.uk
> >
> >"David" <anonymous@discussions.microsoft.com> wrote in
> message
> >news:129fb01c3f667$b564c390$a401280a@phx.gbl...
> >> I've been tasked with creating a redundant email
> service.
> >> I've been planning to setup two Windows 2003 servers
> with
> >> network load balancing enabled and install Exchange 2003
> >> on each.  I can't find any documentation on this
> >> configuration and I'm beginning to think that it isn't
> >> supported.
> >>
> >> Can someone give me some insight into this problem.
> >>
> >> Thanks.
> >
> >
> >.
> >


Relevant Pages

  • Re: Planning Exchange 2003 front-end cluster
    ... > will the routers guys like how NLB works? ... > Again I like multicast. ... Ever had any problems with routers supporting multicasting? ... how will the Exchange communications take place? ...
    (microsoft.public.exchange.design)
  • Re: Planning Exchange 2003 front-end cluster
    ... > will the routers guys like how NLB works? ... > Again I like multicast. ... Ever had any problems with routers supporting multicasting? ... how will the Exchange communications take place? ...
    (microsoft.public.exchange.setup)
  • Re: Planning Exchange 2003 front-end cluster
    ... > will the routers guys like how NLB works? ... > Again I like multicast. ... Ever had any problems with routers supporting multicasting? ... how will the Exchange communications take place? ...
    (microsoft.public.exchange.admin)
  • Re: nlb clustering on 2 servers
    ... This error message is an alert that NLB is bound to all interfaces on these ... and that the clusters are configured in Unicast mode. ... you will only be able to connect to the local host. ...
    (microsoft.public.windows.server.clustering)
  • Re: Config of NLB
    ... Private networks and crossover cables only come into play with failover ... clusters...not load balanced clusters. ... You can place the NLB nodes on a separate management network using those ...
    (microsoft.public.windows.server.clustering)