Where do i find this?

Navigate to the Microsoft Partner Centre site:

https://partnercenter.microsoft.com/en-us/partner/home

Sign in with your Microsoft partner credentials.

The Microsoft Partner Center Dashboard will appear:


On the left-hand side under Dashboard, click on “Customers”.


A list of your Customer/Tenants will appear.

Copy and paste the “Primary domain name” value into the “Primary Domain” field in the Help Center.