I have added Guest user from email@example.com (which is an AAD tenant) to the AAD tenant holygrail.com
I have made firstname.lastname@example.org a global admin on holygrail.com
Can AAD tenant holygrail.com guest user email@example.com log into a Windows 10 machine which is joined to holygrail.com as guest user firstname.lastname@example.org ?
because this use case does not work for me so would appreciate either no this doesn't work in Windows 10 and despite the terabytes of documentation on Azure B2B, it isnt referring to this core feature that is soul crushing me or ….Yes and here is the procedure other than what I have done above.... much appreciated.
I don't believe that is possible. - Guest user needs a license and you cannot assign a license to a Guest user. - If the user tries to use his email, it will be email@example.com and not user#EXTfirstname.lastname@example.org and the source authority will always be the contoso.com
@Corsinonot sure other than because of technical complexity Microsoft would not provide the ability for a guest user to log on - it makes life very easy for all around, especially in the world in which we live where high dollar information workers often work for multiple companies