Can't Backup Mailbox

Hi
I have a worrying problem with my Exchange 2010 mailbox store.
As far as I can tell the Exchange server is all working correctly. However, using a 3rd party backup tool, it is reporting a CRC error in the .edb file when I try to backup. Looking in Event viewer, I can see "The device, \Device\Harddisk0\DR0, has
a bad block." after the backup fails. Windows Backup does not get passed "running consistency check...".
I am nervous about running any disktools (checkdisk etc) until I at least have a copy of the files (even with the errors) just in case I "fix" the file - then it won't mount. I have around 40 "active" mailboxes, the store is 165Gb.
I haven't run ESEUTIL when the data is in bad sectors, so not sure if it would make things worse.
My idea is to create a new database on a second hard drive and move the mailboxes, one by one to the the new store. Does this seem a viable approach?
Any advice appreciated.

If your backup is Exchange aware, then you most likely do have hardware problems. So by all means, move the mailboxes to the new database and see if you find one with issues. It is possible (in fact likely) that if you allow a small number of
bad items for each mailbox (10 or less), all of your mailboxes will move over without any troubles, the users will never notice any missing items, and you will be left with an empty database on an empty drive. You'll then be able to simply delete
the database and file, then run your ChkDisk on the drive to fix any errors.
I'll add that I use this for an online compression of my databases, since the only time any mailbox is offline is so minute that the end-user rarely notices their client lost its connection. And in my current company, I had to compress 24 databases
that were near 2TB each because they each had 50%+ whitespace.
As for having more than one mailbox database, as I said above, we have several mailbox databases. However, we have 24 because we support a large number of active mailboxes - 15,000+. But I'll say what my boss often says - why put all your
eggs into one basket? If you have three mailbox databases, and you have hardware corrupt one of them so it can't be backed up, the other two are still getting regular backups, and you can swing the mailboxes from the bad one to these others and fix the
problems on the bad one. You would also want to add another mailbox server and create a DAG so that hardware issues on one server don't bring down your system (we have four copies of each of our databases, for high availability, redundancy, and disaster
recovery).
HTH ...

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Hello member
Now i use Exchange server 2013 . when my staff is resign i do disable account in AD for protect staff access to the mail .
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Some company keeps the mailbox for some time to send an autoreply saying that "User resigned please contact..." and delete the user only after couple of months after taking backup of that user files like Emails, Profile etc.
Please check this for best practice
http://community.spiceworks.com/topic/19821-when-an-employee-resigns-what-best-practices-should-be-used
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P/S: Apologee if this has already been discussed before, thus, a link to previous discussion thread would highly be appreciated)
- Shook Hashem, Malaysia.

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Can't backup to computer

Can't backup to computer, the backup now button is greay!

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The answer to your question is yes, though anyone who posts to this group would not be asking that question. I think you might be looking for the iTunes discussions group?
RealDave

Can't Backup Mailbox

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