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Securing the Exchange ActiveSync 2007 ?

Posted on 2013-07-02
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Last Modified: 2013-07-03
What can we do to make the Exchange Server 2007 Active Sync connection secure ?

because I believe that out of the box, Exchange HT server allows anyone to connect to receive email as long as they know the HT server name and got AD credentials.
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by:Alan Hardisty
Alan Hardisty earned 500 total points
ID: 39292824
What do you mean by secure?

By default you will be secure because you will be using SSL.

Do you want to block access unless specifically allowed?

If that is the case, you can globally disable ALL accounts using the following command:

get-mailbox | set-casmailbox -activesyncenabled:$false

Then you can manually enable a specific account using the Exchange Management Console or the shell.

Alan
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by:Senior IT System Engineer
ID: 39292936
Exactly, so in this case, Exchange 2007 allows ActiveSync to be enabled by default.
what about Exchange Server 2010 or 2013 ?
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by:Alan Hardisty
Alan Hardisty earned 500 total points
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Activesync is enabled by default on ALL versions of Exchange.
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by:Senior IT System Engineer
ID: 39293616
ok, so in this case after I execute the powershell script

get-mailbox | set-casmailbox -activesyncenabled:$false

Open in new window


I need to do it again everytime I created new mailbox ?
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Alan Hardisty earned 500 total points
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The command will disable it for ALL existing mailboxes and if you add a new one, you can run the same command again providing you have not enabled it for anyone manually.

If you have enabled some and want to keep them enabled, then you need to run:

Set-CASMailbox -Identity newuser@yourdomain.com -ActiveSyncEnabled $false
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