First advice would be to fix the backups so that logs are deleted, if it is really a matter of diskspace for now enable circular logging, restart the store, logs are cleared, disable circular logging and restart the store again. Bare in mind this will only buy you limited time. If possible too you may be able to move your log files to a larger disk, restarting the store of course, again not solving the real problem. Depending on how much mail you are handling they will fill up pretty quickly again. Circular logging is not a recommendation for long term however as it prevents you from doing point in time recovery. Regards, Greg Mulholland Paragon Systems Consultant <http://www.paragonit.com.au> www.paragonit.com.au From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Nick Robinson Sent: Saturday, 16 February 2008 1:06 PM To: exchangelist@xxxxxxxxxxxxx; exchange-2003@xxxxxxxxxxxxxxx Subject: [ExchangeList] backups my logs in mdbdata folder aren't deleting after backup. does any have any suggestions on how i can fix this? i am running exchange server 2003. nick