Download Windows PowerShell scripts to configure cloud hybrid search for SharePoint from Official Microsoft Download Center

• When you configure cloud hybrid search for SharePoint, follow the instructions in Configure cloud hybrid search – roadmap. The instructions include running the Windows PowerShell script CreateCloudSSA.ps1 to create and configure a cloud Search service application (cloud SSA) on a SharePoint Server 2013 or SharePoint Server 2016 server. You'll also find instructions for running the PowerShell script Onboard-CloudHybridSearch.ps1 to connect your cloud SSA and your Office 365 tenant and set up server-to-server authentication for the two environments.
  
  The Windows PowerShell script CreateCloudSSA.ps1 works for all Office 365 plans. The Windows PowerShell script Onboard-CloudHybridSearch.ps1 works for all Office 365 plans except Office 365 US Government Defense.
  
  Version history
  Apr20: The parameter 'Credential' of Onboard-CloudHybridSearch.ps1 becomes unnecessary.
  Jun18: Updated Onboard-CloudHybridSearch.ps1 to support the MSOnline AAD Powershell module installed from the PowerShell Gallery. Previously the msi was available from the Microsoft Connect portal, but this portal has been retired. Sep17: Added option to create the cloud SSA with search architecture that supports high availability (across two servers).
  Jul17: Added suport for Office 365 US Government Defense.
  Jun17: Added support for Office 365 operated by 21 Vianet and Office 365 US Government Community.
  Apr17: Added support for Office 365 Germany.

Windows Server 2012 R2, Windows Server 2008 R2

• The file is a zipped folder that contains two Windows PowerShell script (ps1) files.