Article ID : 5011
Reviewed : 2020-03-09

Product Version:
AhsayOBM: v7.3.x to v7.17.2.2, v8.1.0.24 to 8.1.1.174
OS: Windows

ATTENTION 1st January, 2022: v7 officially End-of-Life [details]

This article describes how to create a MS Exchange mail level backup set for Microsoft Exchange Server 2013 Cumulative Update 19 or below

If you are using Microsoft Exchange Server 2013 Cumulative Update 20 or above, please refer to the following KB article before continuing http://wiki.ahsay.com/doku.php?id=public:announcement:end_of_exchange_mapi

Confirm that all requirements are met by the client server:

Requirement checklist

• AhsayOBM installation
  AhsayOBM must be installed on the Exchange server hosting the database (e.g. Exchange server with mailbox role).
  
  
  
• Mailbox access permission
  The Active Directory account used for backup must have full access to the mailboxes. To grant full access right for the account, enter the following command in Exchange Management Powershell:
  
  

  >Get-Mailbox | Add-MailboxPermission -User "%os_username%" -AccessRights FullAccess

  Note: %os_username% is the username of the operating system account for backup.
  
  
  
• Membership setting of the operating system account
  The Active Directory account used for the backup must be a member of the following security groups:
  
  
  • Microsoft Exchange Security \ Organization Management
  • Users \ Administrator
  • Users \ Domain Admins
  • Users \ Enterprise Admins
  
  
  
• Remote Exchange Management Shell
  Remote Exchange Management Shell must be enabled for the operating system account used for the backup. To do that, enter the following command in Exchange Management Powershell:
  
  

  >Set-User "%os_username%" -RemotePowerShellEnabled $True



• Mailbox enabled
  The Active Directory account used for the backup must be have one or more Exchange Server mailboxes associated with it.
  
  
  
• Collaboration Data Objects (CDO) 1.2.1 installation
  MAPI Collaboration Data Objects (CDO) 1.2.1 must be installed on the Exchange server.
  
  Download and install CDO with the following installer: https://www.microsoft.com/en-gb/downloa ... x?id=42040
  
  
  
• LAN Manager authentication level
  The LAN Manager authentication level configured on the Exchange server must be level 3 or above. To check on the setting:
  
  
  • Open Local Security Policy from Administrative Tools.
    
    
  • Under Security Settings, expand Local Policies, Security Options, Network security: LAN Manager authentication level.
    
    
  • Ensure that the setting is configured to use NTLMv2, for example:
    
    
    • Send NTLMv2 response only
    • Send NTLMv2 response only. Refuse LM
    • Send NTLMv2 response only. Refuse LM & NTLM
    
    

    

  
  
  
• .NET Framework 3.5 Features
  .NET Framework 3.5 Features must be installed.
  
  
  



• Windows PowerShell 2.0 Engine
  Windows PowerShell 2.0 Engine must be installed.