Multi-site exchange
.PST files, Active Directory, ADSL, Exchange 2007, Exchange centralization, Exchange Server, Outlook, Outlook 2007, Outlook Web Access
We have a central site with 2 satelite offices connected on ADSL lines to the central office. We are looking to centralise the mail system (currently using Outlook pst files). We have a server in each office so intend to use sites in AD to replicate domain information. What would the best solution be to change to an exchange mail solution? We are concerned over inter-site traffic as large mail attachments are the norm if a central exchange server solution is implemented. Users are used to using Outlook so would prefer to keep this way rather than use Outlook Web Access.
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ASKED:
September 4, 2008 5:56 PM
UPDATED:
September 4, 2008 6:21 PM
Answer Wiki:
Be sure to use Outlook 2007 in cached user mode. This will definitely reduce network traffic. One suggestion is to put attachment size limits on the messages. We did <a href="http://itknowledgeexchange.techtarget.com/it-trenches/2000-users-new-mailboxes-one-weekend-done/">this for our users</a> and this does seem to also help manage network traffic. Note that a lot of organizations restrict attachment sizes to around 5-10MB. Teach your users to zip their attachments also.
ADSL could be an issue for sending e-mails from the remote sites. The upload speed is usually significantly lower than download speed. Your users will likely experience poor sending performance. I recommend making the links symmetric or going to a T1 or something similar.
Some good Exchange resources can be found in my <a href="http://itknowledgeexchange.techtarget.com/it-trenches/did-you-see-this-need-some-exchange-advicesupport/">blog</a>.
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