I have one exchange 2003 with 150 mailboxes and I been trying to add a new
Mailbox storage to my existing storage group I keep getting this message:
An operation error occured
Facility: LDAP Provider

We are currently migrating from MX 5.5 to 2003, 42 MX 5.5 sites/3500 users,
will eventually replace 42 MX 5.5 sites with 20 MX 2003 admin groups.
Question is about the RUS, do you need to set up more than the default
domain/enterprise one's?

We have bought another company (1500 users) who are running Exchange
2003 SP2 as their mail server. We have put in our own servers and will
be moving all users onto our domain and get them using our exchange
servers. What is the easiest way of moving the mailboxes/public folders

I have a question on IMF
When I directly install the Exchagne 2003 SP2 , IMF autiomatically has been
checked.
the " Out of Office " message cannot be sent to External User. ( no problem

I realize that for to use mns and file share witness i must install hotfix
and install cluster service on both mailbox servers before exchange 2007.  I
also realize that I need to create file share on the witness server which is
also running exchange and how to set NTFS ...

I have two data centers and 4 Exch 2007 Ent servers.  The roles are:
1) Mailbox and hub transport servers at data center1
2) Client Access Server at data center1
3) Mailbox and hub transport servers at data center2

I would like to know the key points that I need to consider while
designing Exchange. We have at present around 500 users with around 125
heavy users. 250 light users and rest medium users. We would like to go
in for BE/FE configuration. Also, the design should be able to support

I am looking at deploying Exchange Server utilizing the Front End/Back End
topology.  It would seem to me that ISA Server 2006 could perform the
Front-End portion of the topology.  Is this so or would it be necessary to
have an additional Exchange 2003 server machine as outlined ...