User Mailbox: User mailbox is owned by the user to send and receive email messages. This mailbox cannot be used for resource scheduling.
Room Mailbox: Room Mailbox is used for scheduling meetings. It can be configured to automatically process incoming requests.
Equipment Mailbox: Equipment Mailbox can be used as a resource for scheduling meetings.
Linked Mailbox: Linked Mailbox is accessed by the users in separate Exchange trusted Forest. There should be user account in the forest in which Exchange Server resides.
Mailbox LimitsThere is no size limitation on individual mailboxes size in Exchange 2010. The main factors that limit the mailbox limits are Available disk space, Service level agreements, and backup and restore times. The number of items on a folder or folders (like inbox, contacts, calendar etc) that are being accessed on the server is the main factor that influenced the performance.
Large number of items in a folder needs longer operation like adding a new column to view, sorting a new column, find and searches. Sometimes these requests may overlap with other requests, results a poor user experience.
Need For Increasing Mailbox Size In Exchange 2010In many organizations, sometimes the Mailbox size is limited by the administrator to manage server storage capacity. It can create a problem for an individual to send or receive the new mail, if his/her mailbox has reached that limit. In this case there is a need to adjust mailbox size in Exchange 2010. User can easily send and receive his/her messages by increasing mailbox size in Exchange 2010.
User can set mailbox size in Exchange 2010. Exchange Server provides three options to increase mailbox size Exchange 2010 for all users. They are; Issue Warning At, Prohibit Send At and Prohibit Send and Receive At.
Follow underlying steps to increase mailbox size in Exchange server 2010.
- Open Exchange Management Console
Click on Recipient Configuration and then click on Mailbox
Exchange Management Console
- Select the Mailbox from the list of mailbox databases
- Right Click on Mailbox Database for whom you want to increase limit
- Click on Properties from the contextual menu
- The Mailbox Database Properties dialog box will be displayed
- Click on Mailbox Settings Tab and then Click on Storage Quotas. The Storage Quotas dialog box will appear.
Deselect the Use Mailbox database Defaults checkbox.
This option enables you to set the Issue Warning, Prohibit Send and Prohibit Send and Receive limits.
- Change the limits according to your needs
- Click on OK.