Yes, you can dismount individual mailbox stores without effecting the others. George Taylor Systems Programmer Regional Health Inc. _____ From: Allen, Christine [mailto:Christine.Allen@xxxxxxxxxxxxxxxxxxxxx] Sent: Wednesday, April 04, 2007 12:38 PM To: 'exchangelist@xxxxxxxxxxxxx' Subject: [ExchangeList] Performing an off-line defrag Hello, Running exchange 2003 and windows 2003. I need to perform off-line defrags of 4 separate storage groups. If you dismount one, do you have to dismount all of them? Meaning can I be running the defrag on one storage group and give folks access to the store group that is not having the ESEutil run against it? Christine Allen Systems Engineer Electric Insurance Company 75 Sam Fonzo Drive Beverly, MA 01915 phone: 978-524-5612 fax: 978.236.5612 christine.allen@xxxxxxxxxxxxxxxxxxxxx http://www.electricinsurance.com <http://www.electricinsurance.com> ***Note: The information contained in this message, including any attachments, may be privileged, confidential, and protected from disclosure. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the Sender immediately by a "reply to sender only" message and destroy all electronic or paper copies of the communication, including any attachments.