Answer
GFI MailEssentials can be uninstalled from an Active / Passive Cluster as explained below:Please note that in this example below it is assumed that the cluster nodes are named as Node1 and Node2.
- Using the Cluster Administrator console, make Node1 active
- Uninstall GFI MailEssentials from Node2 as described in the product manual
- Using the Cluster Administrator console, make Node2 active
- Uninstall GFI MailEssentials from Node1 as described in the product manual