Upgrade policy server and administrative UI from 12.7 SP1 to 12.7 SP2

Document ID : KB000074487
Last Modified Date : 27/03/2018
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I don't find description for upgrade in 12.7 in a manual. Is there not any special procedure and is it enough just installer is executed? 
There is no special procedure. You just run the "install/upgrade" package and follow the prompts just like installing the previous "CR's".