I am starting a new sharepoint server 2016 on-premise project, and i install February 2017 CU. now i have noted that new site collections still comes with the old seatle.master & osolo.master master pages and they are set to 15 UI version, as follow:-

enter image description here

now i wanted to create a new custom master page for my site collections, so i follow these steps which i use to follow in SP 2013:-

  1. i download a copy from seatle.master

  2. rename the copy to ARQ.master.

  3. Uplaod the new ARQ.master master page.

  4. i defined the UI version to be 16, as follow:- enter image description here

  5. publish the new master page.

  6. then from SP designer i try to set the new master page as defualt and as custom master page, where i got this warning message and i click ok:- enter image description here

  7. now i can not notice any update to the UI fro my site collection pages and interfaces, and even when i access "site settings >> master Page" i can not find the new master page :-

enter image description here

so can anyone advice what is the story ?? Thanks

1 Answer 1


SharePoint 2016 uses the UI Version 15, not 16.

  • The question regards SP 2016 Commented Mar 22, 2017 at 18:25
  • @Michael i am asking about about sharepoint 2016 .. the case i mentioned is inside SP 2016..
    – John John
    Commented Mar 22, 2017 at 18:26
  • 1
    This answer is also correct for SharePoint 2016. Use UI Version 15.
    – user6024
    Commented Mar 22, 2017 at 19:02
  • @TrevorSeward so currently there is not a real 16 UI for SP 2016 ??
    – John John
    Commented Mar 22, 2017 at 19:26
  • 1
    Sorry; I missed that - but thanks Trevor for the clarification. Commented Mar 22, 2017 at 19:37

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