https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756485#M541976 <P>Thanks for the confirmation.</P> Sun, 02 Dec 2018 17:54:52 GMT Maurice Ball 2018-12-02T17:54:52Z https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756406#M541974 <P>After all of the nodes have been upgraded in a distributed ISE deployment and you switch the roles and promote the old primary node back to the primary role. When the application services restart on both PANs. Will the PSNs continue to serve clients while both of the PANs are down?</P> Mon, 11 Mar 2019 08:52:38 GMT https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756406#M541974 Maurice Ball 2019-03-11T08:52:38Z https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756421#M541975 Yes psn can still serve clients see more info in admin guide<BR /><A href="https://community.cisco.com/t5/identity-services-engine-ise/what-happens-when-ise-primary-admin-node-and-secondary-admin/td-p/3598156" target="_blank">https://community.cisco.com/t5/identity-services-engine-ise/what-happens-when-ise-primary-admin-node-and-secondary-admin/td-p/3598156</A><BR /> Sun, 02 Dec 2018 12:21:04 GMT https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756421#M541975 Jason Kunst 2018-12-02T12:21:04Z https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756485#M541976 <P>Thanks for the confirmation.</P> Sun, 02 Dec 2018 17:54:52 GMT https://community.cisco.com/t5/network-access-control/upgrading-ise-2-4/m-p/3756485#M541976 Maurice Ball 2018-12-02T17:54:52Z