Patching ISE in distributed enviornment

[mailingadnan]

Hi

We have couple of admin nodes managing couple of policy nodes in distributed environment. ISE version is 1.1 and patch level is 3. Can someone advise what will be Best practise to patch them to latest version. should I patch admin nodes first and then policy nodes or do i have to break the deployment.

thanks for your help

[Saurav Lodh]

In a Cisco ISE distributed deployment environment, install the patch bundle of the application from the primary Administration ISE node in the Cisco ISE Administration user interface so that the patch bundle automatically gets installed on all the secondary nodes.

[Venkatesh Attuluri]

Software Patch Installation Guidelines

http://www.cisco.com/c/en/us/td/docs/security/ise/1-2/user_guide/ise_user_guide/ise_admin.html#72611