How to set Shared Mailbox to a Security Group

How to set Shared Mailbox to a Security Group

Overview:

The purpose of the document is to illustrate the procedure for setting a shared mailbox to a security group.

Reference: 

http://o365info.com/shared-mailbox-powershell-commands/

Requirements [Hardware/Software]:

• Access to the Exchange Server Administrative Center
• https://webmail.domain.com/ecp
• Access to the Exchange Server Management Shell

Procedure:

1.     Create a New Shared Mailbox

a.     New-Mailbox -Name "sharedmailboxname" -Alias “aliasname”–Shared -PrimarySmtpAddress sharedmailboxname@domain.com

b.     New-Mailbox -Name "sharedmailboxname" –Shared

c.     Create Security Distribution Group

d.     Convert Security Group into Security-Distribution Group

Enable-DistributionGroup -identity "IT-LibraryMBX"

2.     Assign Full access permissions for Shared Mailbox

Add-MailboxPermission -Identity "Library" -User "IT-LibraryMBX" -AccessRights FullAccess -InheritanceType All

3.     Assign Send As permissions for Shared Mailbox

Add-ADPermission "Library" -User "IT-Library-MBX" -AccessRights ExtendedRight -ExtendedRights "Send As"