Cisco provides utilities to help migrate configurations from ACS 5.x to ISE, though manual reconfiguration is often recommended for a clean deployment.
Use a bootable USB drive or the KVM console via Cisco IMC. cisco acs 55 iso download updated
For those maintaining isolated legacy labs or performing data recovery from old SNS appliances, the following technical details are for historical and educational reference: Installation on SNS Appliances Cisco provides utilities to help migrate configurations from
If you are upgrading from an older version like 5.3 or 5.4, a specific sequence is required: cisco acs 55 iso download updated
Install the primary 5.5 upgrade package: ACS_5.5.0.46.tar.gz . Step 4: Apply the cumulative patch: 5-5-0-46-1.tar.gpg . The Modern Alternative: Cisco ISE
Install the necessary Pointed Pre-Upgrade patches (e.g., Pointed-PreUpgrade-CSCum04132-5-4-0-46-0a.tar.gpg for version 5.4).