1. Creat new user – BESADMIN
2. Make BESAdmin a member of Administrators Group
3. Assign the BesAdmin user “log on as a service” rights in the Default Domain Controller Policy through Group Polic
4. Run the following in Exchange Management Shell

• Get-MailboxDatabase | Add-ADPermission -User “BesAdmin” –AccessRights ExtendedRight -ExtendedRights Receive-As, ms-Exch-Store-Admin
• Add -RoleGroupMember “View-Only Organization Management” -Member “BesAdmin”
• Add-ADPermission -InheritedObjectType User -InheritanceType Descendents –ExtendedRights Send-As -User “BesAdmin” -Identity “OU=SBSUsers,OU=Users,OU=MyBusiness,DC=COMPANY,DC=local”
• Get-ThrottlingPolicy | Where-Object {$_.IsDefault -eq “True”}|Set-ThrottlingPolicy -RCAMaxConcurrency $null

1. Set Send/Receive As Security for Users

• In Activate Directory Users and Computer, view Advanced Properties.
• View properties of the SBS Users OU.
• Select Security
• Add BESAdmin
• Click Advanced
• Highlight BESAdmin.
• Click Edit
• Select Descendant User Objects in the drop down
• Check the boxes for SendAs and ReceiveAs
• Click OK 3 times

1. Install the Exchange MAPI CDO 1.2.1 package

• http://www.microsoft.com/downloads/en/details.aspx?FamilyID=e17e7f31-079a-43a9-bff2-0a110307611e&displaylang=en

1. IPv4 Host File entry for the server (e.g. 192.168.16.2 SBSSERVER01).

Now perform a default installation of the BESExpress Software.

• After BESExpress is installed, enable the Hard Deletes Setting:
• Log into the BlackBerry Administration Service.
• In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view > Email.
• Click the instance that you want to change.
• Click Edit instance.
• On the Messaging tab, in the Messaging options section, in the Hard deletes reconciliation drop-down list, click True.
• Click Save all.
• On the computer that hosts the BlackBerry Dispatcher, restart BlackBerry Dispatcher service.