Exchange 2010 - Address List vs Global Address List

Hello,

I am fairly new to Exchange and I am trying to study it.

I am not able to understand the diffrence between a Address List and a Global Address List. So here is what I know. A Address List can group user, groups and contacts together based on filters. The Default Global Address list which is being created through the installation of Exchange 2010 contains all users, groups, contacts etc. I can stick with the exisiting GAL but I can create additional ones with the New-GlobalAddressList cmdlet if needed. So far so good.

And here is where it gets confusing to me. So I can also create GALs which are filtered for example on Mailbox users or for users which belong to a certain company by filtering for the corresponding user attributes. But why do I need a GAL for that. I can create a normal Address List for that functionality. Or does the GAL have some additionaly functionality over a Address List which I am missing?

Thank you
Mc2102
Mc2102Asked:
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ucando1Commented:
The global address list is essential when setting up the client to the server. If the name is not in the GAL they can't setup a client



Other address lists can be edited and added/deleted without effecting the system

more info

http://en.wikipedia.org/wiki/Global_Address_List

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