Upgrade of CA Service Catalog is failing at the "Installation Prerequisites" step: "Auto Discovery of existing CA Service Catalog failed."
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Upgrade from CA Service Management, Service Catalog from 14.1 to 17.1
MS SQL Database
CA EEM 12.6
CA PAM 4.3.3
NOTE: The information included here helped to resolve a specific client issue.
You may need to alter this advice to suit your circumstances.
It is provided as information which may assist similar cases, and is not a general resolution at this point.
Initially the Service Catalog "install.log" recorded issues with the database connection while trying upgrade and changed the database password.
The messages were of type:
Provided document for 17.1.2 Release noted, fixed issues, mandatory post installation steps
RU2 patch: SO06653 can be downloaded at below link
Post installation steps: