Why is following command returning 15 and not 16?

> [Microsoft.SharePoint.SPCompatibilityRange]::NewVersion

MaxCompatibilityLevel         MinCompatibilityLevel     DefaultCompatibilityLevel                      Singular
---------------------         ---------------------     -------------------------                      --------
15                            15                            15                          True

1 Answer 1


Because Microsoft did not introduce CompatibilityLevel 16, yet. Therefore, the currently highest CompatibilityLevel is 15.

  • Ok fair enough - but what does that mean? And does that mean that I have to specify -CompatibilityLevel 15 on the New-SPSite CmdLet even though im working on SharePoint 2016 (with internal version 16)?
    – Markus
    Commented Jun 22, 2016 at 8:06
  • 1
    I'm not exactly sure, but to me it sounds as if a Site-Collection created in '16 would run in '13 since they share the same CompatibilityLevel. But that's just speculation. Yes you have to specify -CompatibilityLevel 15. Commented Jun 22, 2016 at 8:59

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