It sounds like you're running into issues with OCSP response signature verification in your ISE setup. Since the issue isn't happening when validating the same certificate on another device, it suggests that the ISE setup may not be handling the OCSP...

The Cisco Business App is specifically designed to manage Cisco Business devices, such as Cisco Business switches, routers, and wireless access points. Unfortunately, Cisco Catalyst switches are typically managed using more advanced tools like Cisco ...

I understand you're seeking system message guides for the Cisco ASR-920-24SZ running IOS XE Fuji 16.9.3 and ASA Firewalls with ASA version 9.17.1, preferably in Excel format. Here's how you can obtain these guides:Cisco ASR-920-24SZ (IOS XE Fuji 1...