manual

8  Installation for Microsoft Exchange 2003 Getting Started Guide
 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.
Upgrade procedure
1. Launch GFI MailEssentials installation on the server where your
earlier version of GFI MailEssentials is installed.
Screenshot 1 - Confirm the upgrade
2. Click Yes to start the upgrade process and follow on-screen
instructions. For assistance refer to New installations section below.
3.4.2 New installations
Pre-install actions
No pre-install actions or configurations are required.
Important notes
1. At the end of the installation process, GFI MailEssentials will restart
Microsoft Exchange Server services. This is required to allow GFI
MailEssentials components to be registered and started. Failing to
restart the SMTP service will negatively affect anti spam filtering and
email flow.
2. Before starting installation, close any running Windows applications.
Installation procedure
1. Logon to the Microsoft Exchange Server machine using
administrator credentials.
2. Double click mailessentials2010.exe (32-bit install) or