System Mailboxes in Exchange 2003

Hi Experts,

I am looking to decommision an Exchange 2003 server and remove it from the org.

All mailboxes have been moved off, apart from the following that still exist in each store;

SMTP (servername-SID)
System Attendant
SystemMailbox(SID)

Does anyone know what these do and should they be moved elsewhere?

Many thanks in advance!
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Joe_BuddenAsked:
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MesthaConnect With a Mentor Commented:
They will always be there and will not stop you from completing the decommissioning of the server. If you are getting prompts about a mailbox being homed on the server then it is NOT those mailboxes that are causing the error. The usual cause is a user account that was mail enabled but never used. As Exchange only creates mailboxes when they are required, it is perfectly possible for a user to be homed on the server and not appear in Exchange management tools.

Simon.
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Hypercat (Deb)Commented:
Those are system objects that can't be deleted or moved. Have you made sure all public folders are replicated/rehomed? Also, any other system objects like OAB's, free/busy folders, etc.?

 
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december41991Commented:
Is this the first excange server in the AG  ? if yes then system objects like OAB's, free/busy folders, etc. will have to be re homed.
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Joe_BuddenAuthor Commented:
Hi Guys

All PF's have been moved apart from a couple of test ones. Is this what is causing those system objects to be there? Or are they always there anyway?

And does each type of system object have a purpose?

SMTP (servername-SID)
System Attendant
SystemMailbox(SID)
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