There is no official link for the ACS_v5.5.0.46.iso or recovery images. Previously active links on the Cisco Software Download page are now restricted or removed for this version.
Official ISO downloads for Cisco Secure Access Control System (ACS) 5.5
The final day to receive assistance from the Cisco Technical Assistance Center (TAC) for ACS 5.5 was April 30, 2018 .
Ensure you have a valid contract associated with your account. Locate ACS_v5.5.0.46.iso .
If you encounter websites offering an "updated" or "cracked" version of the Cisco ACS 5.5 ISO, execute extreme caution. 1. Official End-of-Life (EOL) Policy
