Whats the best way to give a second office an address book they can populate that the whole company can access?

We now have 2 offices using a single Exchange 2010 server all w/2010 Outlook clients. The second office will have its own set of contacts and we’d like to have those contacts where both offices can get to them. The second office would need to add and edit them. What is the best way to do this?
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Simon Butler (Sembee)ConsultantCommented:
Public Folders, Shared Folder in a Shared Mailbox or use a proper CRM.
All three will allow access to the contacts with the correct permissions applied to the folder.

24reasonsAuthor Commented:
It's an out of the box installation of Exchange and we have no CRM. I don't want to give away too much to users but also don't want to have to go back and clean up after them. Which would be best way to go in your opinion?
Simon Butler (Sembee)ConsultantCommented:
There isn't much in it.
If you haven't deployed public folders then go with a shared mailbox. You just need to set the permissions on the contacts folder appropriately and then show the users how to access the folder.

If you grant Folder Visible permission at the Top of the Tree, then the permission you want on Contacts they can then open the mailbox as an additional mailbox, but only see the Contacts folder.

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24reasonsAuthor Commented:
I guess since I don't want any one person to own this maybe I create an office email account (Dallas@whatever.com) and then use that mailbox to share?
24reasonsAuthor Commented:
Thinking about that above I'll burn a license and I don't want to start using public folders so I tried creating an address list in Exchange. That worked and I can get to it now in Outlook but can't seem to add any contacts to it. I have 3 people that need to do that. Any ideas?
Simon Butler (Sembee)ConsultantCommented:
That is what a shared mailbox is.
Shared mailboxes do not use a licence either.

Address lists in Exchange are NOT the answer, because that requires permissions within AD to modify, plus access to the management tools. If you want users to maintain the list and don't want to use Public Folders then a shared mailbox with a shared contacts folder is your ONLY option.


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