CA Access Gateway instance already exists on this machine but the instance is not detectable because the /opt/etc/CA/SiteMinder_Secure_Proxy location is empty. The upgrade cannot continue. To resolve the issue, see the documentation. "
This is an in-place upgrade of SPS.
Issue only occurred in UAT, not in DEV. Upgrade worked in DEV.
R12.7Sp1 to R12.7.SP2 Upgrade Linux OS
Run your Linux system where you're upgrading, the following: