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Slow Exchange backup

I am using Veritas 9.1 on a 2003 Windows Server. It is taking me currently 24 hours to back my Exchange Server ( 45gb ). I'm doing a brick layer backup witch I want to continue to use, but the performance is far to slow. This backup I'm told was a 12 hour process now taking 24. my network back is running fine 425 Gb in 12 hours. Any insite on what could be causing this huge performance loss. I know Exchange is normally a slow backup job, but this isn't acceptable.
Thanks
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ssmith1123
Asked:
ssmith1123
1 Solution
 
Iamthecreator OMAdministrateur Systeme et ReseauxCommented:
AS Backup Exec uses MAPI to backup mailboxes it is by design slow(MAPI limitatition)
however take a look at the following docs

Slow throughput while backing up Microsoft Exchange mailboxes for Exchange 2000 and Exchange 2003 Servers.
http://support.veritas.com/docs/264851

Slow transfer rate or "Drive Not Responding" while performing Microsoft Exchange 5.5 or Microsoft Exchange 2000/2003 individual mailbox backups with Backup Exec for Windows Servers 7.x, 8.x, 9.x and 10.x
http://support.veritas.com/docs/231558 

Reasons why the data throughput rate can be slower than the theoretical maximum when backing up to tape media
http://support.veritas.com/docs/231488

Slow backup performance occurs when backing up Microsoft Exchange 2000 and Exchange 2003 servers between 1:00 am and 5:00 am.
http://support.veritas.com/docs/241858

Best practices when using Symantec Mail Security and Backup Exec for Windows Servers
http://support.veritas.com/docs/275013 
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