Migration of a virtual DataPower SOA appliance to a virtual DataPower Gateway is a three step process. As mentioned in given link, https://www-01.ibm.com/support/docview.wss?uid=swg22004117 if we are planning to upgrade Data power appliance from v7.5.2 to v2018.4, we first need to migrate the appliance to virtual data power gateway and then upgrade the fixpack. There is no direct upgrade process available from v7.5.2 to latest version of 2018.4 fixpack.
Three step process given below for reference. Use datapower command prompt to perform these steps and use WebUI to upload the scrypt file.
1. Download the migration tool from IBM Fix Central and run the migration tool from DP appliance. This step will convert v7.5.2 appliance to a virtual datapower gateway
# boot image accept-license -f xg-virtual_migration-20170626.scrypt4 (searching will give two values, one for XG and other for XI)
2. Download appropriate modules from IBM Passport Advantage for feature parity. Run the activators from the CLI with the following command.
# boot image -f accept-license activator (Activator will be based on the Integration Module present as part of DP license)
3. Download a v7.6.X or v2018.4.X.X firmware image from IBM Fix Central and upgrade the firmware to from the CLI with the following command.
# boot image -f accept-license firmware
Ex: From DP command prompt,
top;co;fl;boot image accept-license -f idgXXXXX.scrypt4 (I will be using System Control to upload the fixpack scrypt4 or scrypt3 file)
As mentioned in the technote, After the conversion, the reported product changes as follows.
XG45 (5275-J90) is a DataPower Gateway (5275-T09)
XI52 (5275-J91) is a DataPower Gateway (5275-T09)
Attention: Before you start the process, create a full system backup not a secure-backup package. If the system reboots between the processing of the migration tool and the processing of your final activation tool, you might lose part of your persisted configuration. If a reboot happens, you can use this backup to restore your last persisted configuration.
Other links for reference while performing the upgrade process,
DwAnswer for issues with migration tool
Knowledge Collection: How to upgrade the firmware on an IBM WebSphere DataPower Gateway Appliance