Quick question, I want to upgrade our 5508 from software 18.104.22.168 to 22.214.171.124. We are currently running legacy ACS4.2 until we cutover to ISE. Is there any reason why 126.96.36.199 wouldn't be compatible with ACS4.2?
Cisco ACS 4.2 is EOL + EOS and not mentioned in any of the Cisco compatibility documentation due to age. Apart from that, is there anything I haven't considered that might cause issues?
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I can confirm that it works, even with later releases :)
But might also depend on what features you use, certainly for basic AAA it's fine.