In this recipe, we started by creating a new user services policy and making sure that we enable UCS using the New-CsUserServicesPolicy -Identity ` "TestlabsAllowUnifiedContactStore" -UcsAllowed $True cmdlet, and then we granted it to one of our users with Grant-CsUserServicesPolicy -Identity "pdickson" -PolicyName "TestlabsAllowUnifiedContactStore".
These two steps are also pending in that the systems (Exchange and Skype for Business) trust each other; in addition to the already created OAuth connection, we need to configure a new partner application from both Exchange toward Skype for Business and vice versa. We started by going to the built-in scripts folder in Exchange, cd $exscripts, running the script named "Configure-EnterprisePartnerApplication.ps1", ...
