Mailbox storage limit
There are three ways to set up the storage limits: mailbox policy, mailbox store, and individual user.
Scenario 1: All users except the CEO have storage limit of 300MB. CEO has unlimited storage.
Solution: set the storage limit at mailbox store level to 300MB. configure the CEO user properties with unlimited storage setting.
Scenario 2: Managers, CEOs, and IT staff have storage limit of 500MB. All other employees have the 100MB storage limit.
Solution: Mailbox store 1 is dedicated to Managers, CEOs and IT staff. Set its storage limit to 500MB. Mailbox store 2 is for all other employees and set its storage limit to 100MB.
Scenario 3: You have 50 mailbox stores in your exchange organization. The first 30 mailbox stores have 100MB storage limit. The remaining 20 mailbox stores have 500MB storage limit.
Solution: create mailbox store policy 1 with storage limit set to 100MB and associate the policy to the first 30 mailbox stores.
create mailbox store policy 2 with storage limit set to 500MB and associate the policy to the remaining 20 mailbox stores.
