Forum Discussion

Ammar Hasayen's avatar
Ammar Hasayen
Iron Contributor
Jul 16, 2017

Microsoft Graph to query whether a user is office mailbox or not

Hi, we are developing an application on premises using .NET. We have mailboxes on premises and mailboxes on Office365, and Azure AD Sync is in place.   From within the .net app, we want to query th...
api
developer
Microsoft Graph
office 365
Amo Zhang's avatar
Amo Zhang
Copper Contributor
Aug 25, 2017

How about this? Check the assignedLicenses property of the user object. If an Exchange Onine license assigned, you can assume that there is a mailbox for the user.