Eventid 447 From ESE dbase corruption

andyd · Joined: 27 Feb 2008 Posts: 1

Hello all,

I have recently taken over the IT responsibilities of a company thats
running exchange. They are currently receiving error 447 in the event
viewer. Its been ongoing with this error since April of 2007. Backups are
successful using retrospect but im afraid its just backing up the corrupted
database.

Its running exchange enterprise edition, so my thinking is it simply create
a new database and move all the existing mailboxes from the corrupted dbase
to the newly created good one. Unfortunately its not recovering any
freespace because an online defrag will not complete due to the corruption
and the dbase is 110gb in size.... There is however less than 30gb in the
actual mailboxes. The rest is likely whitespace, but it means i either have
to add an addition drive either via internal ide or a removable usb drive.
USB is obviously easiest and does not require shutting down the system
however; will USB have sufficient enough speed and be reliable enough just
for the transfer?

Is this a viable solution?

Andy

Information Store (3696) First Storage Group: A bad page link (error -327)
has been detected in a B-Tree (ObjectId: 21, PgnoRoot: 114) of database
D:\mdbdata\priv1.edb (3453119 => 3452857, 3452855).

Archived from group: microsoft>public>exchange>admin

John Fullbright · Joined: 05 Aug 2007 Posts: 365

In that this is enterprise edition, I would mount a new store, move all the
maiboxes, then dismount and delete the old store.

"andyd" wrote in message @TK2MSFTNGP04.phx.gbl...
> Hello all,
>
> I have recently taken over the IT responsibilities of a company thats
> running exchange. They are currently receiving error 447 in the event
> viewer. Its been ongoing with this error since April of 2007. Backups
> are successful using retrospect but im afraid its just backing up the
> corrupted database.
>
> Its running exchange enterprise edition, so my thinking is it simply
> create a new database and move all the existing mailboxes from the
> corrupted dbase to the newly created good one. Unfortunately its not
> recovering any freespace because an online defrag will not complete due to
> the corruption and the dbase is 110gb in size.... There is however less
> than 30gb in the actual mailboxes. The rest is likely whitespace, but it
> means i either have to add an addition drive either via internal ide or a
> removable usb drive. USB is obviously easiest and does not require
> shutting down the system however; will USB have sufficient enough speed
> and be reliable enough just for the transfer?
>
>
> Is this a viable solution?
>
> Andy
>
> Information Store (3696) First Storage Group: A bad page link (error -327)
> has been detected in a B-Tree (ObjectId: 21, PgnoRoot: 114) of database
> D:\mdbdata\priv1.edb (3453119 => 3452857, 3452855).
>

Oliver Moazzezi [MVP] · Joined: 02 Oct 2007 Posts: 583

Create a new store and then move mailboxes.

You state there's actually only 30GB in actual mailbox space, if you have
more than that spare on the current volume that hosts the current store you
can create the new one there too. Then once all mailboxes have been moved,
dismount and delete the old store to reclaim your space.

Oliver

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