Before putting the May 2018 sharepoint 2016 service pack roles is 4 (FE,Search,App and Distributed cache)
After putiing the May 2018 service pack roles is 6 (FE,Search,App, Distributed cache , WFEand DC, Search and App server
- sts2016-kb4018381-fullfile-x64-glb
- wssloc2016-kb4018386-fullfile-x64-glb
