We have one Exchange 2003 with 4 storage group. One of ourExchange database (DB1)has reachedover 100 GB. We are planning to create a new mailbox store and move all the mailbox from DB1 to NewDB1, delete the Database of the one that is over 100GB, remount the database so it will create a blank database and move user back to that database. Is this safe, would I encounter any error once I move user mailbox back? I figure this is faster than doing a defrag.

On Sat, 26-Sep-09 19:30:56 GMT, JiGz012 wrote:>>>We have one Exchange 2003 with 4 storage group. One of our Exchange database (DB1) has reached over 100 GB. We are planning to create a new mailbox store and move all the mailbox from DB1 to NewDB1, delete the Database of the one that is over 100GB, remount the database so it will create a blank database and move user back to that database. Is this safe, would I encounter any error once I move user mailbox back? I figure this is faster than doing a defrag. hosemailboxes are in that database. But why move the mailboxes back? Whynot leave them in the new database?The thing to watch is your log file space during this movement. Makesure you have enough space to accomodate a large volume of log files,or make a full backup of the new database throughout your process. Iwouldn't recommend using circular logging to avoid the space problem.---Rich MatheisenMCSE+I, Exchange MVP--- Rich Matheisen MCSE+I, Exchange MVP

Hi, I suggest you leave the mailboxes on the new database. Could you please let us know why you want to move it back? Meanwhile, before moving on, I suggest you read the following article: Is offline defragmentation considered regular Exchange maintenance? http://msexchangeteam.com/archive/2004/07/08/177574.aspx Thanks, Elvis