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Exchange Server 2013 SP1 archive mailbox using UNC path on EMC Data Domain deduplication appliance ?

Posted on 2014-09-04
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Last Modified: 2014-10-13
Hi Folks,

Can anyone here please let me know how to achieve successful and supported scenario of placing Exchange Server 2013 Archive mailbox only into EMC Data Domain to get the benefits of Data Deduplication ?

I get confused myself after reading the following pages:

EMC said that it supports Exchange Server (but no version) on their EMC Data Domain DD 2500 appliance page:
https://store.emc.com/us/Product-Family/DATA-DOMAIN-PRODUCTS/Data-Domain-DD2500/p/DDM-DataDomain-DD2500
scroll at the end of the page to see the statement:
Database Platforms       Microsoft Exchange Server

While Microsoft said in the Technote that it is only supporting Exchange Archive mailbox for deduplication on this page:
http://technet.microsoft.com/en-us/library/ee832792(v=exchg.150).aspx
scroll to the bottom of the page to see
Not Supported for Exchange database files. Note: Can be used for Exchange database files that are completely offline (used as backups or archives).

So can anyone please clarify how it is best to specify the \\UNC path in the Archive mailbox database to dedupe the email data successfully and fully supported by Microsoft ?

Thanks in advance
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by:MIRSYS
MIRSYS earned 500 total points
ID: 40305322
Hi,

You are using an appliance with built-in dedupe, so not the dedupe functionality of server 2012.
The datasheet from microsoft is regarding the s2012 dedupe functionality:

"Data deduplication is a new technique to optimize storage utilization for Windows Server 2012"

On your case dedupe is handled by the appliance in the background and not the os. So you are good to go.
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Expert Comment

by:MIRSYS
ID: 40305323
Sorry forgot to answer your last question , just add it as \\appliance\share\mboxdatabase
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by:Senior IT System Engineer
ID: 40305337
ok, so in this case it is fine to use UNC path for the Archive mailbox database only ?

is it configurable from the following page:

Screenshot of Exchange Mailbox Database
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by:
MIRSYS earned 500 total points
ID: 40305342
Yes, but do note that ms does not "officially" support UNC paths as valig database locations.
Due to possible network cuts etc..

The "supported" way would be to make an iscsi lun and mount this on the server as a local drive.
But I'm not sure your appliance does this...

Here's some more info: http://social.technet.microsoft.com/Forums/en-US/0e01f7b4-3f86-4e2c-9705-ae70ed0c71e9/specifying-separate-unc-path-for-exchange-archive-mailbox-database?forum=exchangesvrdeploy
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Author Comment

by:Senior IT System Engineer
ID: 40341011
Hi Mirsys,
does that means is  it still possible for me to use UNC path only for the Archived mailbox database only ?

Because I want to utilize the EMC Data Domain appliance deduplication to save up disk space.
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Author Closing Comment

by:Senior IT System Engineer
ID: 40378783
Thank you for the assistance and comments, that does helpful for me.
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