SharePoint Build to Build Update - Install of CU & PU

Review/Prepare this checklist Plan:

Get information about the update that is to be installed

Review Documentation of previous Update Installations: Any issues occurred?

Review Documentation of previous Update Installations: Task durations

Schedule Installation

Communication Preparation: 'Maintenance planned' announcement for all audiences

Communication to all audiences: Use prepared 'Maintenance planned' announcements

Zero Downtime Patching/Side-By-Side Feature for SharePoint 2016

Plan Server Patching sequence

Have a plan about how to deal with Distributed Cache Servers before rebooting them Prepare: Create/Update checklists for SharePoint functional tests Communication Preparation: 'Maintenance starting' announcement for all audiences Communication Preparation: 'Maintenance completed' announcement for all audiences Communication Preparation: 'Maintenance delay' announcement for all audiences Create PowerShell Scripts for Content Database Upgrade Download Update Binaries Prepare SharePoint Binary Installation Script Copy binaries on all farm servers Verify Content quality using Test-SPContentDatabase Reset SharePoint Trace log Level to Default (if a custom level is applied) Review SharePoint Farm Backup Concept Verify SharePoint Farm Documentation is up to date Use 3rd Party tools to check Farm Health Use Search Health Reports to check Health of SharePoint Search