4 Different Types of Objects in Exchange Server (Part I)

In this article, we are going to look into the different types of Exchange server object. This will be helpful to manage it on a daily basis.

Introduction:

We will be discussing about the different types of Object in Exchange Systems. As you know that Exchange Server is basically used to send emails. Apart from that there are other useful options such as Public Folders, Free/Busy, Calendar & Scheduling. To access all these features, there are different direct and In-direct objects and these objects are also called as Exchange Recipients. Let’s discuss all the objects in detail.

Exchange Objects:

  1. Mailboxes
    1. User Mailbox
    2. Legacy Mailbox
    3. Shared Mailbox
    4. Resource Mailbox (Room & equipment)
    5. Linked Mailbox
    6. Disconnected Mailbox
  2. Storage
    1. Public Mailbox
    2. Site Mailbox
  3. Contacts
    1. Mail Contact
    2. Mail User
  4. System Mailbox
    1. Arbitration Mailbox
    2. Discovery Mailbox

Mailboxes:

User MailboxUser Mailbox: User Mailbox is the basic Object of any Exchange System. It is directly linked to any user account in Active Directory. We can create new user mailbox, a user account corresponding to the account is also created in Active Directory and they intact until either is removed from each other. The user has direct access to his mailbox and no special permissions are required for that user. We have covered how to create it in our previous article.

Legacy Mailbox: As the word means it is superseded by new Exchange version. When there is a Co-existence of Old and new version of Exchange systems and all Mailbox object in the older version are called as Legacy.

Shared Mailbox: Shared Mailbox is an object that will be accessed by multiple users. It is also called as Common Mailbox, for eg., support_shared@datanumen.com, info_shared@datanumen.com. These mailbox will be used by all the members (or authorized members) of that department. These Mailboxes cannot be logged in, their corresponding Active Directory account will be in disabled state. Hence Permissions will be given on these mailboxes for other users and they can add it as a secondary mailbox in their Outlook.

Resource Mailbox: Resource mailboxes are similar to shared mailbox. They will not have a dedicated user. These are created for calendar booking for resources like Conference Room, Cars, Projectors etc., they are two types of Resource Mailbox. Conference Room Mailbox and Equipment Mailbox. Conference mailboxes are exclusively created for efficiently and automatically booking or scheduling conference room as per the needs. Others will be able to see the availability of the Rooms through the calendar. Equipment Mailbox is also similar to conference room mailbox. All the other equipment such as projectors, Cab/Car etc., can be booked.

Linked Mailbox: When the AD User account and Exchange Mailbox literally lies in different forest then they are called as Linked Mailbox. They are created when a Company merger, acquisition or a Partner trust is created with a different forest.

Disconnected MailboxDisconnected Mailbox: As the word describes it is a deleted mailbox. When the AD account is deleted or if a mailbox is detached from the AD account, the mailbox will become dormant (inaccessible), Now it will be called as a Disconnected Mailbox. By default, It will be in disconnected state for 30 days after which they will be purged. During this period this disconnected mailbox can be re-attached to that user or any other AD Account.

Other Objects:

Apart from regular mailboxes there are other objects in exchange systems and lets discuss in the next part. If there are any issues with these objects then we can either recover it using backup or simply do Exchange OST file recovery and create a new object and import the data.

Author Introduction:

Sophia Mao is a data recovery expert in DataNumen, Inc., which is the world leader in data recovery technologies, including repair pst error and word recovery software products. For more information visit www.datanumen.com

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