Customizing warning messages for Exchange storage limits

I dealt with this yesterday at one of my clients. The client wanted his users to be reminded more than once a day that their mailboxes were filling up. Since by default this only happens once a day at midnight, some users were actually going over the storage limit after disregarding the warnings that they got when they logged into their computer; and after that sending and receiving stopped for them when they crossed the threshold.

He wanted the warnings to keep hounding the users until they either archived or deleted items in their mailbox to free up some space.

I didn’t think this could be done until I looked a bit deeper at the Limits tab in Exchange mailbox store properties. It can be done to warn users every 15 minutes or every hour, in a time window you specify.

Ok… here’s how you do it:

Go to Exchange System Manager

-> Administrative Groups
-> First Administrative Group
-> Servers
-> SERVER name
-> First Storage Group
-> Right click on Mailbox Store
-> Click Limits
-> Choose Customize button

(click to enlarge)