Do you use z/VSE Fast Service Upgrade (FSU) ?
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Traditionally you use the Fast Service Upgrade (FSU) process to upgrade your system to the current maintenance level. That is you perform an FSU to install a new modification level of z/VSE (or service refresh).
If you want to upgrade to z/VSE 5.2 you have 2 options: initial installation or Fast Service Upgrade.
That is you may use the FSU process too to upgrade e.g. z/VSE 4.3 or z/VSE 5.1 to z/VSE 5.2. The FSU process can be started with our IUI dialogs.
Unlike an initial installation, the FSU does not replace user data and hardware configuration tables. It only replaces system data. So FSU may reduce the effort to upgrade to a new z/VSE release.
We offer Fast Service Upgrade to new refresh levels or new z/VSE versions / releases since VSE/ESA 2.4 without the need for an initial installation.
An initial installation was only required from releases prior to VSE/ESA 2.4, because of adaptations to the CICS Transaction Server in VSE/ESA 2.4 (first VSE release with the CICS TS)..
As you already know from our Stat
Now a question for you: Would it be a problem, if we would ask for an initial installation to such a new z/VSE version ?
Please send your feedback to my email address: firstname.lastname@example.org
Fast Service Upgrade is described in detail in the z/VSE System Upgrade and Service book. More information about FSU to z/VSE 5.2 is described in the z/VSE Planning book. Both books are on our docu