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SP2 is installed but the regkey to increase the database size isn't working

Posted on 2008-10-24
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Last Modified: 2012-05-05
SP2 is installed but the regkey to increase the database size isn't working.

This is the Microsoft KB: http://support.microsoft.com/kb/912375

I have changed the key for the private store but after restarting the services the database limit is still 16 GB

Has anyone seen this before?
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Question by:ggrabows
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by:tgtran
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Any 1216 eventID in the application log?

Check the reg to see if you got the right data type - namely DWORD
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by:tgtran
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Is the value you entered in decimal or hex?  Much be decimal
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by:ggrabows
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It is Decimal, it is DWord.  I verified spelling.

Check and got Event 1216,  It's reporting 16 gb as the limit after i set the key to 50 gb
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by:tgtran
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What do you mean "isn't working"?  Any error? behavior?
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by:ggrabows
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After changing the Reg Key to allow the database to increase the size to 50 GB.  The exchange system continues to report the Max sive as 16 GB and the database won't mount because it has reached the max size.
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by:tgtran
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Have you changed the "Database Size Buffer in Percentage"?  This is the regkey that initiates the warning and subsequent dismounting the databases
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by:ggrabows
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No.

I am currently reapplying SP2 for exchange.  If that doesn't resolve the issue i will change that Reg Value and see what happens.
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by:Azyre
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1 this is a temp way to increase the mailbox store size and it will revert back to 16 gigs after a certain amount of time, Microsoft included this just as a way to run an offline defrag while the server is over the limits.

You should be able to call Microsoft regarding this issue and report a mission critical server down state and open a free support case regarding this issue.
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ggrabows earned 0 total points
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SP2 was reapplied.  Now Exchange is reporting the Max Database size as correct.

Thank you for you assistance.
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