Install Exchange 2007 During Normal Business Hours?

Clay · Joined: 05 Aug 2007 Posts: 4

Is it okay to install during normal business hours?

There is an existing Exchange 2003 server in production?

What would occur if this was done?

I know the send connector needs created but after that would there be any
other disruptions?

Thanks,

Archived from group: microsoft>public>exchange>setup

Mike O · Joined: 05 Aug 2007 Posts: 24

"Clay" wrote in message @microsoft.com...
> Is it okay to install during normal business hours?
>
> There is an existing Exchange 2003 server in production?
>
> What would occur if this was done?
>
> I know the send connector needs created but after that would there be any
> other disruptions?
>
> Thanks,
>
As a matter of fact, I did that today (installed the first 2007 Hub/CAS
server). Our environment has two Exchange 2003 mailbox servers and a
OWA/Front End server that also serves as our bridgehead to an email
gateway/appliance ("smart host").

We've been planning it for a while, the biggest issue I came across in the
research was that if you have your existing servers sending their mail out
directly (no explicitly defined internet connector), when you install
Exchange 2007 all the 03 boxes will send their email to it, but by default
the 07 box won't have the send connector to the outside, so your internet
mail piles up.

In our environment, we already had our internet mail going through a
connector to a smart host/gateway appliance, so when we installed the 2007
server nothing was interrupted. Before, during, and after the install I
kept running test emails to and from my outside hotmail account, and checked
the 2003 queues to confirm that email was flowing.

The only unexpected thing we ran into was a few days ago when we did the
setup /prepareAD. I wanted to run that first to make sure we weren't going
to run into any issues when the schema was extended. Our configuration
has the admins with access to user mailboxes (I know that's not the best
arrangement, but it's how we have it; that's a whole other story..). The
setup/prepareAD resets the explicit "deny" to the mailboxes on all of the
system groups (domain admins, etc.). We had to go back and remove that
"deny" at the org level for some of the groups.

Tomorrow I'm installing the first mailbox server.

Mike O.

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