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Can the increase of Information Store size affect backup length

Posted on 2010-01-07
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Last Modified: 2012-05-08
I followed the procedure here -> http://support.microsoft.com/kb/912375 to increase the size of users mailbox stores from the default in SP2 to 65GB (Max 75). Would doing this increase the length of time a backup takes? The backup usually took less than 3 hours to complete, since increasing the mailbox store size its now all of a sudden taking much longer, more than 8 hours. I understand that this could be a coincidence but I have to other explanation at the moment.

1. Would the store size increase have anything to do with backup length?
2. Was my store size increase to 65GB overkill?
3. Can I safely drop the size of the store in the registry from 65 down to say 25 without any issues?

Thanks.
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Question by:ronet_it
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Manpreet SIngh Khatra earned 2000 total points
ID: 26204414
1. Would the store size increase have anything to do with backup length? - Yes it will

2. Was my store size increase to 65GB overkill? - No it wont harm anything .... just have to notice whats the free space on the Physical drive

3. Can I safely drop the size of the store in the registry from 65 down to say 25 without any issues? - Yes you can and for it to take affect you will have to restart the Information store service
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by:Manpreet SIngh Khatra
ID: 26204420
The limit in GB that we speak is a combination of both (Priv1.edb and priv1.stm) .... what is the current size of both as combined
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by:ronet_it
ID: 26204618
I think I'm going to drop the size of the store and see if my backup runs tonight.

What is the path to Priv1.edb and priv1.stm?
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by:Manpreet SIngh Khatra
ID: 26204684
Go to the properties of the Mailbox Store in Exchange System Manager and check on the database tab
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by:ronet_it
ID: 26204797
Priv1.edb and priv1.stm currently total 20,157,840 KB or 20GB
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by:Manpreet SIngh Khatra
ID: 26204948
So you can edit the registry key to 25 restart the Information Store service and check event 1216 and be happy ....
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