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cyberleo2000Flag for United States of America

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Account password expiration reset after mailbox type changed from shared to regular

When I migrate a mailbox from Exchange 2003 to Exchnage 2007 that has permissions set to allow other users to access it, it is created in Exchange 2007 as a Shared Mailbox. No big deal as I use EMS to switch it back to Regular. But, if the user account has its password set to never expire, the switch from Shared to Regular resets that setting to expire and the user is prompted to change his password the next time he logs on. I use this cmdlet to switch the mailbox type: Set-Mailbox -Identity 'display name' -Type 'Regular'. Am I doing something wrong, or is this a cause and affect that I will just have to deal with? Thank you.
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Rajith Enchiparambil
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The command is correct. As it is moving it from a shared to a user's own mailbox, it is prompting for a password change for security reasons.

If you move a shared mailbox from Exchange 2003 or Exchange 2000 to Exchange 2007, the Move-Mailbox cmdlet creates the mailbox as a shared Exchange 2007 mailbox
This is default behaviour.
Is there any reason why you are changing the Shared mailbox to a regular mailbox?
Defining a mailbox as 'shared' creates a disabled active directory account to which the mailbox is connected
Disabled accounts act as a security measure. You will no longer be required to have extra username/password combinations for accessing your network
But as soon as you convert this Shared mailbox to a regular mailbox then you WILL be prompted for a password

http://knicksmith.blogspot.com/2007/03/exchange-2007-and-shared-mailboxes.html
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They are not Shared mailboxes. They are regular user mailboxes that were moved from 2003 to 2007. Upon moving them, 2007 switched them to Shared type. I am assuming this is because other users have been given acces to these mailboxes.

Is there a way to move mailboxes from 2003 to 2007 so that they will not be switched from Regular to Shared?
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FearNoMore
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Removing and reassigning permissions would be too much work. So I guess Exchange is doing what it is supposed too. OK, I just wanted to make sure I wasn't missing something.

So even though the mailbox is not really a shared mailbox and has an active user account associated with it, changing it back to regular will reset the user acocunt password anyway?

Gotta love it. Thank you.