Exchange 2007

kostas · Joined: 04 Dec 2007 Posts: 12

We have a company with 400 users (in 54 branch offices). We have installed
exchange 2007. Can you recommend how many storage groups and how many mailbox
databases in each I should create?

I'm thinking to create 2 storage groups and about 27 mailbox databases in
each storage group (one mailbox database for a branch office)

Thanks.

Archived from group: microsoft>public>exchange>design

Mark Arnold [MVP] · Joined: 05 Aug 2007 Posts: 1126

On Tue, 4 Dec 2007 06:56:02 -0800, kostas
wrote:

>We have a company with 400 users (in 54 branch offices). We have installed
>exchange 2007. Can you recommend how many storage groups and how many mailbox
>databases in each I should create?
>
>I'm thinking to create 2 storage groups and about 27 mailbox databases in
>each storage group (one mailbox database for a branch office)
>
>Thanks.

400 users is nominally not even a full store but that of course
depends on how much mail people are going to store in their mailboxes
and what kind of hammerig in terms of throughput there is going to be.

I'd say if the users are just going to be run of the mill users, a few
hundred MB per user and a couple of dozen messages per day then one or
two stores is fine.

Go and download the Exchange Storage Calculator and double check. It
will ask you to put in mailbox sized and emails per day and other
details like that.

kostas · Joined: 04 Dec 2007 Posts: 12

What are the reasons I should create a second storage group (except storage
or databases limitations)?

Thank you for your reply.

"Mark Arnold [MVP]" wrote:

> On Tue, 4 Dec 2007 06:56:02 -0800, kostas
> wrote:
>
> >We have a company with 400 users (in 54 branch offices). We have installed
> >exchange 2007. Can you recommend how many storage groups and how many mailbox
> >databases in each I should create?
> >
> >I'm thinking to create 2 storage groups and about 27 mailbox databases in
> >each storage group (one mailbox database for a branch office)
> >
> >Thanks.
>
> 400 users is nominally not even a full store but that of course
> depends on how much mail people are going to store in their mailboxes
> and what kind of hammerig in terms of throughput there is going to be.
>
> I'd say if the users are just going to be run of the mill users, a few
> hundred MB per user and a couple of dozen messages per day then one or
> two stores is fine.
>
> Go and download the Exchange Storage Calculator and double check. It
> will ask you to put in mailbox sized and emails per day and other
> details like that.
>

Mark Arnold [MVP] · Joined: 05 Aug 2007 Posts: 1126

On Tue, 4 Dec 2007 07:18:00 -0800, kostas
wrote:

>What are the reasons I should create a second storage group (except storage
>or databases limitations)?
>
>Thank you for your reply.
>
You should know the reasons to create a new SG from the E2K7
documentation. In essence the new SG is required when you have too
many users in the first store and you need a second store. Why you
would need to tip to a new store is down to you and involves such
factors as total users in the store or total size of the store or
number of messages going through the store causing you buffer
problems.

kostas · Joined: 04 Dec 2007 Posts: 12

Thanks for your help.

"Mark Arnold [MVP]" wrote:

> On Tue, 4 Dec 2007 07:18:00 -0800, kostas
> wrote:
>
> >What are the reasons I should create a second storage group (except storage
> >or databases limitations)?
> >
> >Thank you for your reply.
> >
> You should know the reasons to create a new SG from the E2K7
> documentation. In essence the new SG is required when you have too
> many users in the first store and you need a second store. Why you
> would need to tip to a new store is down to you and involves such
> factors as total users in the store or total size of the store or
> number of messages going through the store causing you buffer
> problems.
>

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