Adding the "Archive Manager Exchange Admin" security group to the "Exchange View-Only Administrators" group in Active Directory (AD) may not be sufficient to grant Archive Manager the necessary rights in Exchange 2010.
Exchange 2010 makes use of Role Based Access Control (RBAC).
Due to RBAC, it is necessary to grant the "Archive Manager Exchange Admin" security group the View-Only Organization Management role.
To grant the role, run the following Powershell command in an Exchange (2010) Management Shell (EMS) session, replacing DOMAIN with the correct NETBIOS name for the domain:
Add-RoleGroupMember 'View-Only Organization Management' -Member 'DOMAIN\Archive Manager Exchange Admin'
To verify "View-Only Organization Management" role assignment, use this Powershell command:
Get-RoleGroupMember 'View-Only Organization Management'
By default, only members of the Organization Management role group can add or remove members from this role group.
When running the Add-RoleGroupMember command it may be necessary to change the recipient scope to the entire AD forest as described in this Microsoft TechNet article: http://technet.microsoft.com/en-us/library/bb124527.aspx
