manual

Getting Started Guide Installation for Microsoft Exchange 2007 & 2010  57
Important notes
 Upgrades cannot be undone i.e. you cannot downgrade to an
earlier version once you have installed the latest version.
 On upgrading an existing installation, licensing reverts to trial
version and a new fully purchased license key for the GFI
MailEssentials 2010 is required. For more information on new
license keys, refer to: http://customers.gfi.com
 You cannot change the installation path during GFI MailEssentials
upgrades.
 When upgrading from GFI MailEssentials 9, the current Bayesian
weights file will be upgraded to the new format used in GFI
MailEssentials 10 or later. The new format is more compact and
uses less memory. NO DATA WILL BE LOST.
4.5.3 Upgrade procedure
1. Launch GFI MailEssentials installation on the server where your
earlier version of GFI MailEssentials is installed.
Screenshot 49 - Confirm the upgrade
2. Click Yes to start the upgrade process and follow on-screen
instructions. For assistance refer to New installations section below.
4.5.4 New installations
Important notes
1. During installation, GFI MailEssentials restarts Microsoft Exchange
Server services. This is required to allow GFI MailEssentials
components to be registered and started.
2. Before starting installation, close any running Windows applications.
Installation procedure
1. Logon to your Microsoft Exchange Server machine using
administrator credentials.
2. Double click mailessentials2010.exe (32-bit install) or
mailessentials2010_x64.exe (64-bit install) accordingly.
3. Select install language and click Next.