I am getting these errors in Application log. Can you please advise me.
A non-delivery report with a status code of 4.0.0 was generated. and i can
send email to all other mail server like yahoo.gmail and other but i am
having a delay to send email from my server to hotmail.

Having a 5 user license, I have trouble connecting to the exchange server by
mobile.
I am trying to set up a new device but cannot get it to work.  The error
message that I receive on the Palm is:  "There was a problem syncing

We are currently in the process of migrating to Ex2k7. I have moved all of
the mailboxes , public folders, and OAB to the new server. (same domain) When
sending mail to the distribution groups we receive the following error.

I am not a expert on Exchange so I am hoping to get some advise here.
we have an Exchange 2003 with multiple public and private folders. we
need to create another domain under the same forest of AD and create a
new exchange 2003 organization with new hardware. Then, migrate users

I need some guidance.  We are a new shop that has no infrastructure yet.  I'm
going to be brave and build out a 2008 network and would like to use
Exchange.  I've downloaded and used the exchange sizing calculator but still
have some questions. I'm only planning on having around ...

What is the correct procedure to add a conferance room resource.  Add as a
user?   does it need to be setup in
outlook as a user?
thanks

I'm trying to resolve a problem with our exchange server not authenticating
accounts in the AD...
One minute users can open Outlook and connect to exchange, the next they
can't....

These 2 commands were not run prior to installing Exchange 2007 and I was
just wondering if this will cause any problems down the road and if it's
possible to run the commands now after I already installed Exchange 2007.
Thanks,

I can't find much documentation about the way to go.
Just make a trust and then move mailbox with the Exchange 2007 GUI?
Of can it be done without a trust with powershell?
I want the move the useraccount with ADMT.

I am ready to install Exchange 2007. But my global catalog server is 32bit.
How do I do this?
Thanks,

I'm in the process of implementing Exchange 2007 for 1500 users.  Each
user will have a 1GB mailbox.  Storage will be located on a SAN.  What
is the recommended number of databases per LUN?  One database per
LUN?  Is it best to combine databases on one LUN?  What is a

Hi there...
Can someone give me some instructions on how to configure a new Exchange
server 2003 installation to host our own incoming and outgoing email please?
So far I have:

I have followed several guides to transitioning from Exchange 2003 to 2007.
As a side goal in this process, my secondary goal in the end is to upgrade
the hardware to server housing Exchange 2003. This far I have done this:
1. Installed Exchange 2007 on a dummy server.

I am looking at adding an additional exchange 2007 server and making it the
primary server with the current one as somewhat of a backup server. Can this
be done the same as a swing migration for Exchange 2003? What is suggested
for a doing something like this?

Adding 1st 2007 server in our existing 2003 enviroment. Getting a error after
install concerning the public folder database. Information store folders
working fine. Error is in event log
Event Id 9519