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Can't move Guest Mailbox from Exchange 2003 to Exchange 2007

I'm transitioning to Exchange 2007 from 2003 and have successfully replicated all public folders and moved my mailboxes except for one.  There is a guest account in my AD that apparently has a mailbox.  In ECM it shows it as a Legacy Mailbox and the Server is PDC.  I want to move them all so I can decommission my old server but when I try to move the Guest mailbox I get the error

Error:
Database is mandatory on UserMailbox.

Exchange Management Shell command attempted:
'domain/Users/Guest' | move-mailbox -TargetDatabase 'EXCHSVR2007\First Storage Group\Mailbox Database'


Is there any way to move this mailbox?  I didn't think there was an actual mailbox and just tried to remove it but I get this error when I try:

--------------------------------------------------------
Microsoft Exchange Error
--------------------------------------------------------
Action 'Remove' could not be performed on object 'Guest'.

Guest
Failed
Error:
Active Directory operation failed on domaincontroller.domain.com. This error is not retriable. Additional information: Cannot perform this operation on built-in accounts.
Active directory response: 0000055B: SysErr: DSID-031A0FB6, problem 22 (Invalid argument), data 0


An unknown error occurred.


What do I do with this mailbox?

Thanks,
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DrPcKen
Asked:
DrPcKen
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1 Solution
 
Glen KnightCommented:
When younkove the mailbox you need to specify the store it will be moved to.
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DrPcKenAuthor Commented:
I have.  I right click the mailbox, move mailbox, and specify the target.
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Glen KnightCommented:
Check you are using a user that has full mailbox permissions to this mailbox.
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DrPcKenAuthor Commented:
You mean that is attached to this mailbox?  This is the guest account in my active directory
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Glen KnightCommented:
OK sorry.

The user account you are using to move the mailbox make sure it has full access to the mailbox you are trying to move.

Make sure the account the mailbox is linked to isn't disabled?

F you login with that guest account can you open the mailbox?

If you don't need the mailbox using Active directory Users and computers on the 2003 server right click on the user and select exchange tasks then delete mailbox.
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DrPcKenAuthor Commented:
Sounds like you think I'm in exchange 2003 ESM.  I"m using Exchange 2007 EMC.  The account was disabled in AD but I enabled it, it still doesn't move the mailbox though.  I don't' need the mailbox, and I tried deleting it but I get the error that I mentioned in my first post.
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DrPcKenAuthor Commented:
Ok I figured it out, I just disabled the mailbox and it marked it for removal.
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Glen KnightCommented:
Isn't that what I said? And it wasn't worth any points for pointing you in the right direction?

I was talking about Exchange 2003 because you said the mailbox was still on an Exchange 2003!
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DrPcKenAuthor Commented:
You didn't specifically tell me to disable the mailbox in ECM in 2007.  If I'm moving the mailbox from 2003 to 2007 (which I made clear) then I would be in ECM and not need to use ESM to move the mailboxes.

You told me to delete the mailbox after I had already said in my first post I couldn't.
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Glen KnightCommented:
Yes but I told you to do it using Active Directory as it was still a 2003
mailbox!!

If the account was disabled and then re-enabled you would have needed to restart the Microsoft Exchange Information Store Service on the 2003 server for the mailbox to have re-activated otherwise it can take upto 2 hours!

Correct if your moving the mailbox from 2003 to 2007 then you would use the EMC the problem is with the mailbox still being on the 2003 server no?  In which case when you come to uninstall 2003 if you haven't removed te mailbox using Active Directory Users and computers or moved it to 2007 you will not be able to uninstall Exchange 2003.

But hey ho you have a temporary fix.


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Glen KnightCommented:
And yes I did tell you to delete the mailbox using the Exchane 2003 tools not the 2007 tools which you had said would not work!

More than likely because of the delay I just mentioned.
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