Exchange Server

Michael Deering · Guest

Can someone point me to some resources for the Exchange Distributed
Authority model?

Setting up exchange environment where it would be optimal if each political
unit could administer their own set of mailboxes. Due to bandwidth
considerations, with most traffic being local, I am thinking that a server
in each geographic region would be best. Any thoughts on that?

Thanks,
Mike

Paul Ford · Guest

A centralised v decentralised Exchange model largely depends on network
bandwidth, network utilisation and probably the biggest factor, network
latency.

Remote users will normally generate between 3 - 5 kbps, Outlook cached mode
can alleviate this as it can reduce the number of bytes on the wire by
between 25% - 50% percent depending on the traffic being sent. i.e. a word
document or excel spreadsheet will compress more than a jpg or a zip file.
Also there are certain things that cached mode cannot help with, have a look
at the Practices to avoid when you use Outlook 2003 with Cached Exchange
Mode section in
http://support.microsoft.com/default.aspx?scid=kb;en-us;870926. Also take a
look at http://office.microsoft.com/en-us/assistance/HA011402591033.aspx

When you say each political unti could administer their own set of
mailboxes, do you mean Exchange servers ?

Regards

Paul Ford
Edge IT Ltd

Michael Deering · Guest

Thak you Paul,

What I mean by each political unit administering their own set of mailboxes
is that we have multiple departments, each with varying needs. Each of those
would maintain it's own set of mailboxes, OU style, which are housed on a
fixed set of Exchange servers. Another consideration is to have a server
located in each region.

Unfortunately, Microsoft seems to neglect this model rather severly. They
just brush past it as a note. With no real solid documentation.

Thanks,
Mike

Paul Ford · Guest

So a single Exchange server could house several departments mailboxes which
need to be administered by each department individually ?

Paul

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