They all claim to do it.  None do it accurately or well.  They all use the
MAPI client interfaces to access the data.  But the MAPI client interfaces
don't get the data out in  a way that can be put back in without loss and
change.  The MAPI interfaces, like Craig alluded to, only present a "view"
of the database.  So, there's no way to actually back up all the data that
way. Nor is there a way to put the data back into the database using the
MAPI client interfaces that will result in the same "view" again.

Microsoft has not provided a separate API that will make a fully reversible
backup/restore work on a single mailbox level.  The only fully reversible
method acts on an entire store.

=======================================================
Andy Webb            [EMAIL PROTECTED]      www.swinc.com
Simpler-Webb, Inc.   Austin, TX            512-322-0071
-- Eating XXX Chili at Texas Chili Parlor since 1989 --
======================================================= 


-----Original Message-----
From: Chris Haaker [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 08, 2002 2:44 PM
To: Exchange Discussions
Subject: Re: Stupid Question


ARCServe 2000 has an Exchange Agent just as in previous version (as does
Backup Exec) that allow for brick level backups. In Exchange 5.5 I know MS
does not support this (as in screw something up via Bricked Backups and
you'll get no tech support from us!) But I am just starting to design my XCH
2K and I dont know due to some new technology in XCH2K if they've changed
their stance on this or not . . .

----- Original Message -----
From: "Dupler, Craig" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Sent: Friday, February 08, 2002 3:37 PM
Subject: RE: Stupid Question


> Can it be done?  Yes.  It is possible to write a backup system that in
> effect copies off the contents of individual mailboxes one at a time, thus
> exploding single instance storage into some unfathomable large number that
> will require Enron accounting to pay for the backup media.
>
> Do any shipping backup products support it?  I don't know, but would be
very
> surprised if they didn't.  Lots of people make procurement decisions on
> dubious criteria.
>
> Tell you boss that there is no such thing a an individual mailbox and that
> it's all an illusion.  There is one big group account.  It is called the
> store.  Different users get to see different content based on their
> permissions.  Regular backup is bricked, since it takes a single image of
> the single mailbox that is the store.  Maybe that will cause the lights to
> come on.
>
>
> -----Original Message-----
> From: Chris Haaker [mailto:[EMAIL PROTECTED]]
> Sent: Friday, February 08, 2002 12:27 PM
> To: Exchange Discussions
> Subject: Stupid Question
>
>
> My boss is looking for the definitive answer. I KNOW the answer for XCH
5.5.
> but in XCH 2K does MS support the use of brick - level backups (ducks
> quickly)
>
> Thanks!
>
> I know Ed's EMail signature *should* say it all; I have even passed it
along
> to my boss!
>
> "Destiny...is not a matter of chance, it is a matter of choice;
>    it is not a thing to be waited for, it is a thing to be achieved."
>    William Jennings Bryan (1860 - 1925); American lawyer and politician.
>
>
>
>
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