i have windows 2003 sbs with sp 2 . and my priv1.edb database size is 23. gb after defraging the database the size remains the same . my mail box size in system manager shows 9 gb . defrag completes success fully.

How much free space is available in the store according to event 1221?http://support.microsoft.com/kb/186291Cannot determine free space available in Exchange database

Thanks Mr.david. I will perfrom this and This is very helpful. I have to check onlie defrag

A related thread for your reference, you could learn more about Exchange Databases Disk Consumption: http://social.technet.microsoft.com/Forums/en-US/exchangesvrgeneral/thread/af6757f2-3ede-4f25-ae13-d24da39e9678