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I am running two ISE 2.4 nodes in Prim Admin and Sec Admin and PSN enabled on both.
I have installed patch 6, and 9 on Prim Admin and only Patch 9 on Sec Admin. As my Sec Admin was build Months later than Prim Admin so I did not install patch 6 on the same.
Is there any problem???
Thanks for response, but the what if need to deregister and register again my secondary node is it going to work as we are running different patches
ISE patches are cumulative so there is no need to install previous patches before installing the latest patch.