How to configure quota settings for named properties and for replica identifiers in Exchange Server 2003 and in Exchange Server 2007

1.
Click Start, click Run, type regedit in the Open box, and then click OK.
2.
Locate the following registry subkey, where is the name of the Exchange computer, and where is the name of the private or public MDB where you want to configure one or more of the quotas:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\\
3.
In the left pane, right-click Private-GUID, point to New, and then click DWORD Value.
•
To configure the Named Props Quota setting:
a.
In the New Value #1 box, type Named Props Quota, and then press ENTER.
b.
Right-click Named Props Quota, and then click Modify.
c.
In the Value data box, type a positive integer between 1 and 0x7FFF, and then click OK.
•
To configure the Replids Quota setting:
a.
In the New Value #1 box, type Replids Quota, and then press ENTER.
b.
Right-click Replids Quota, and then click Modify.
c.
In the Value data box, type a positive integer between 1 and 0x7FFF, and then click OK.
•
To configure the Replids Quota setting:
a.
In the New Value #1 box, type NonMAPI Named Props Quota, and then press ENTER.
b.
Right-click NonMAPI Named Props Quota, and then click Modify.
c.
In the Value data box, type a positive integer between 1 and 0x7FFF, and then click OK.
4.
Quit Registry Editor.
5.
Start Exchange System Manager, dismount the database where you configured one or more quotas, and then remount the database.

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