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cant rejoin second node

teamdv6199
Level 1
Level 1

I have two ise nodes one prim and one backup. I deregistered the second node because it was not sycning and when I go to register it I get this:

 

Unable to authenticate ISE ISE-02. Please check certificate configuration.
Make sure from 'Primary Admin node', system certificate chain of registering node is present in 'Trusted certificates' and is enabled with 'Trust for authentication within ISE' option selected.

I took the primary node trusted cert > and took that cert and put it on the node 2 cert but I still get the same thing.

I checked for that setting here :

 

Infrastructure
Cisco Services
Endpoints
AdminAuth


infrastructure
Cisco Services
Endpoints
Unknown
AdminAuth
How can I rejoin the second node as  a back up?

1 Reply 1

balaji.bandi
Hall of Fame
Hall of Fame

Have you added Root certificate to trusted repository ? what ISE version.

check Lab minute - nice one to refer :

https://www.labminutes.com/sec0270_ise_22_certificate_node_registration_2

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